Shanghai in July
What to expect
In Shanghai, July sits in mid-summer, with a clear seasonal rhythm running through the month. Daytime heat stands out once the sun is up, and relatively steady temperatures through the day. Comfort is usually predictable, so a standard day plan works well. You get long daylight windows for full-day exploring.
July in context
How it compares to the rest of the year in Shanghai.
Monthly climate breakdown
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight hours
- 13.9 h
- UV index (max)
- 9
- Typical sun hours
- 05:00 - 18:57
Rain & Snow
- Total rain
-
- Rainy days
- 17 days
- Cloud cover (avg)
- 69%
Humidity & Wind
- Humidity (avg)
- 83%
- Wind (avg)
-
- Wind (max gusts)
-
Daily climate explorer
Day 15 selected for July. Typical high 31.5°C and low 25.9°C.
Typical disruptions in July
Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in July.
Muggy days Measures: Muggy days (dew point >=20C). Observed about 99% of days (30.6 days/month) in July. Historical risk signal only, not a day-by-day forecast.
30.6 days / month
~99% of days
Why this matters
- Expected days 30.6 days / month
- Probability ~99% of days
- Intensity Up to ~27°C (P95)
Muggy conditions are possible on ~31 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Hot feels-like days Measures: Hot feels-like days (>=32C). Observed about 87% of days (27.0 days/month) in July. Historical risk signal only, not a day-by-day forecast.
27.0 days / month
~87% of days
Why this matters
- Expected days 27.0 days / month
- Probability ~87% of days
- Intensity Up to ~43°C (P95)
Feels-like heat >=32C is possible on ~27 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Oppressive humidity Measures: Oppressive humidity days (dew point >=24C). Observed about 78% of days (24.1 days/month) in July. Historical risk signal only, not a day-by-day forecast.
24.1 days / month
~78% of days
Why this matters
- Expected days 24.1 days / month
- Probability ~78% of days
- Intensity Up to ~27°C (P95)
Oppressive humidity is possible on ~24 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Hot days Measures: Hot days (>=30C). Observed about 71% of days (22.1 days/month) in July. Historical risk signal only, not a day-by-day forecast.
22.1 days / month
~71% of days
Why this matters
- Expected days 22.1 days / month
- Probability ~71% of days
- Intensity Up to ~36°C (P95)
Hot days are possible on ~22 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Very hot feels-like Measures: Very hot feels-like days (>=35C). Observed about 71% of days (21.9 days/month) in July. Historical risk signal only, not a day-by-day forecast.
21.9 days / month
~71% of days
Why this matters
- Expected days 21.9 days / month
- Probability ~71% of days
- Intensity Up to ~43°C (P95)
Very hot feels-like conditions are possible on ~22 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Heat stress risk Measures: High heat stress days. Observed about 71% of days (21.9 days/month) in July. Historical risk signal only, not a day-by-day forecast.
21.9 days / month
~71% of days
Why this matters
- Expected days 21.9 days / month
- Probability ~71% of days
- Intensity Up to ~43°C (P95)
Heat stress is possible on ~22 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Show all disruptions (29 more)
Rain disruption Measures: Likely rain disruption days. Observed about 27% of days (8.3 days/month) in July. Historical risk signal only, not a day-by-day forecast.
8.3 days / month
~27% of days
Why this matters
- Expected days 8.3 days / month
- Probability ~27% of days
- Intensity Up to ~53mm (P95)
Rain disruption risk appears on ~8 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Washout risk Measures: Washout day risk. Observed about 25% of days (7.7 days/month) in July. Historical risk signal only, not a day-by-day forecast.
7.7 days / month
~25% of days
Why this matters
- Expected days 7.7 days / month
- Probability ~25% of days
- Intensity Up to ~54mm (P95)
Washout conditions are possible on ~8 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Heavy rain days Measures: Heavy rain days (>=10mm). Observed about 18% of days (5.5 days/month) in July. Historical risk signal only, not a day-by-day forecast.
5.5 days / month
~18% of days
Why this matters
- Expected days 5.5 days / month
- Probability ~18% of days
- Intensity Up to ~58mm (P95)
Heavy rain is possible on ~6 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Very hot days Measures: Very hot days (>=35C). Observed about 8% of days (2.6 days/month) in July. Historical risk signal only, not a day-by-day forecast.
2.6 days / month
~8% of days
Why this matters
- Expected days 2.6 days / month
- Probability ~8% of days
- Intensity Up to ~38°C (P95)
Very hot days are possible on ~3 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Very heavy rain Measures: Very heavy rain days (>=25mm). Observed about 6% of days (2.0 days/month) in July. Historical risk signal only, not a day-by-day forecast.
2.0 days / month
~6% of days
Why this matters
- Expected days 2.0 days / month
- Probability ~6% of days
- Intensity Up to ~83mm (P95)
Very heavy rain is possible on ~2 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Washout run Measures: Multi-day washout runs. Observed about 1.9 days/month in July. Historical risk signal only, not a day-by-day forecast.
1.9 days / month
Probability unavailable
Why this matters
- Expected days 1.9 days / month
- Probability —
- Intensity Up to ~50mm (P95)
Multi-day washout runs are possible on ~2 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Strong gusts Measures: Strong gust days (>=60 km/h). Observed about 4% of days (1.3 days/month) in July. Historical risk signal only, not a day-by-day forecast.
1.3 days / month
~4% of days
Why this matters
- Expected days 1.3 days / month
- Probability ~4% of days
- Intensity Up to ~100km/h (P95)
Strong gusts are possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Stormy conditions Measures: Storm-impact proxy days. Observed about 2% of days (0.7 days/month) in July. Historical risk signal only, not a day-by-day forecast.
0.7 days / month
~2% of days
Why this matters
- Expected days 0.7 days / month
- Probability ~2% of days
- Intensity Up to ~101km/h (P95)
Stormy conditions are possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Extreme rain Measures: Extreme rain days (>=50mm). Observed about 1% of days (0.5 days/month) in July. Historical risk signal only, not a day-by-day forecast.
0.5 days / month
~1% of days
Why this matters
- Expected days 0.5 days / month
- Probability ~1% of days
- Intensity Up to ~103mm (P95)
Extreme rain is possible on ~0 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Severe gusts Measures: Severe gust days (>=80 km/h). Observed about 1% of days (0.2 days/month) in July. Historical risk signal only, not a day-by-day forecast.
0.2 days / month
~1% of days
Why this matters
- Expected days 0.2 days / month
- Probability ~1% of days
- Intensity Up to ~107km/h (P95)
Severe gusts are possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Wind disruption Measures: Disruptive wind days. Observed about 1% of days (0.2 days/month) in July. Historical risk signal only, not a day-by-day forecast.
0.2 days / month
~1% of days
Why this matters
- Expected days 0.2 days / month
- Probability ~1% of days
- Intensity Up to ~107km/h (P95)
Disruptive wind is possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Fog-likely signal Measures: Fog-likely visibility proxy. Observed about 9% of days (2.8 days/month) in July. Historical risk signal only, not a day-by-day forecast.
2.8 days / month
~9% of days
Why this matters
- Expected days 2.8 days / month
- Probability ~9% of days
- Intensity Up to ~94% (P95)
Fog-likely conditions are possible on ~3 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Heatwave run Measures: Heatwave runs (>=3 hot days). Observed about 2.1 days/month in July. Historical risk signal only, not a day-by-day forecast.
2.1 days / month
Probability unavailable
Why this matters
- Expected days 2.1 days / month
- Probability —
- Intensity Up to ~35°C (P95)
Heatwave runs are possible on ~2 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Feels-like heatwave Measures: Feels-like heatwave runs (>=3 days). Observed about 1.7 days/month in July. Historical risk signal only, not a day-by-day forecast.
1.7 days / month
Probability unavailable
Why this matters
- Expected days 1.7 days / month
- Probability —
- Intensity Up to ~41°C (P95)
Feels-like heatwave runs are possible on ~2 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Humid days Measures: Humid days (dew point >=18C). Observed about 100% of days (30.9 days/month) in July. Historical risk signal only, not a day-by-day forecast.
30.9 days / month
~100% of days
Why this matters
- Expected days 30.9 days / month
- Probability ~100% of days
- Intensity Up to ~27°C (P95)
Humid conditions are possible on ~31 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Warm nights Measures: Warm nights (min >=22C). Observed about 93% of days (28.9 days/month) in July. Historical risk signal only, not a day-by-day forecast.
28.9 days / month
~93% of days
Why this matters
- Expected days 28.9 days / month
- Probability ~93% of days
- Intensity Up to ~28°C (P95)
Warm nights are possible on ~29 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
High humidity Measures: High humidity days (RH >=80%). Observed about 74% of days (22.9 days/month) in July. Historical risk signal only, not a day-by-day forecast.
22.9 days / month
~74% of days
Why this matters
- Expected days 22.9 days / month
- Probability ~74% of days
- Intensity Up to ~92% (P95)
High humidity is possible on ~23 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Hot nights Measures: Hot nights (min >=25C). Observed about 70% of days (21.6 days/month) in July. Historical risk signal only, not a day-by-day forecast.
21.6 days / month
~70% of days
Why this matters
- Expected days 21.6 days / month
- Probability ~70% of days
- Intensity Up to ~28°C (P95)
Hot nights are possible on ~22 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 68% of days (21.2 days/month) in July. Historical risk signal only, not a day-by-day forecast.
21.2 days / month
~68% of days
Why this matters
- Expected days 21.2 days / month
- Probability ~68% of days
- Intensity Up to ~100% (P95)
Cloudy skies are possible on ~21 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Wet days Measures: Wet days (>=0.1mm). Observed about 63% of days (19.5 days/month) in July. Historical risk signal only, not a day-by-day forecast.
19.5 days / month
~63% of days
Why this matters
- Expected days 19.5 days / month
- Probability ~63% of days
- Intensity Up to ~37mm (P95)
Measurable rain is possible on ~19 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Mostly cloudy days Measures: Mostly cloudy days (cloud cover >=80%). Observed about 52% of days (16.0 days/month) in July. Historical risk signal only, not a day-by-day forecast.
16.0 days / month
~52% of days
Why this matters
- Expected days 16.0 days / month
- Probability ~52% of days
- Intensity Up to ~100% (P95)
Mostly cloudy skies are possible on ~16 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Rainy hours Measures: Rain-hours signal (>=3h rain). Observed about 49% of days (15.3 days/month) in July. Historical risk signal only, not a day-by-day forecast.
15.3 days / month
~49% of days
Why this matters
- Expected days 15.3 days / month
- Probability ~49% of days
- Intensity Up to ~22h (P95)
Several rainy hours are possible on ~15 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 37% of days (11.4 days/month) in July. Historical risk signal only, not a day-by-day forecast.
11.4 days / month
~37% of days
Why this matters
- Expected days 11.4 days / month
- Probability ~37% of days
- Intensity Up to ~23h (P95)
Wet-most-of-day conditions are possible on ~11 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Gusty days Measures: Gusty days (>=40 km/h). Observed about 34% of days (10.5 days/month) in July. Historical risk signal only, not a day-by-day forecast.
10.5 days / month
~34% of days
Why this matters
- Expected days 10.5 days / month
- Probability ~34% of days
- Intensity Up to ~67km/h (P95)
Gusty conditions are possible on ~11 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Overcast days Measures: Overcast days (cloud cover >=95%). Observed about 29% of days (8.9 days/month) in July. Historical risk signal only, not a day-by-day forecast.
8.9 days / month
~29% of days
Why this matters
- Expected days 8.9 days / month
- Probability ~29% of days
- Intensity Up to ~100% (P95)
Overcast skies are possible on ~9 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Convective risk Measures: Convective storm risk proxy. Observed about 27% of days (8.2 days/month) in July. Historical risk signal only, not a day-by-day forecast.
8.2 days / month
~27% of days
Why this matters
- Expected days 8.2 days / month
- Probability ~27% of days
- Intensity Up to ~27°C (P95)
Convective risk signal appears on ~8 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data Measures: Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data. Observed about 9% of days (2.8 days/month) in July. Historical risk signal only, not a day-by-day forecast.
2.8 days / month
~9% of days
Why this matters
- Expected days 2.8 days / month
- Probability ~9% of days
- Intensity Up to ~94 (P95)
Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data is possible on ~3 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Breezy days Measures: Breezy days (mean wind >=25 km/h). Observed about 4% of days (1.4 days/month) in July. Historical risk signal only, not a day-by-day forecast.
1.4 days / month
~4% of days
Why this matters
- Expected days 1.4 days / month
- Probability ~4% of days
- Intensity Up to ~39km/h (P95)
Breezy conditions are possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Windy days Measures: Windy days (mean wind >=35 km/h). Observed about 1% of days (0.2 days/month) in July. Historical risk signal only, not a day-by-day forecast.
0.2 days / month
~1% of days
Why this matters
- Expected days 0.2 days / month
- Probability ~1% of days
- Intensity Up to ~47km/h (P95)
Strong mean winds are possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Frequently asked questions
Is July a good time to visit Shanghai?
Typical July days in Shanghai reach highs of 31°C (88°F) with nights around 25°C (77°F). It usually feels hot by day and warm after dark. It is among the wetter months, so it is wise to have some indoor backup plans or flexible activities.
What are temperatures like in July?
Daytime temperatures in July typically peak near 31°C (88°F), while nights drop to around 25°C (77°F). Expect hot afternoons and warm evenings.
How much does it rain in July?
Rainfall in July averages 176 mm (6.9 in) across roughly 17 days. Overall it is a very wet time of year, so a light rain jacket and waterproof shoes are very handy.
How many hours of daylight are there in July?
You can expect about 14 hours of daylight in July. Sunrise is typically around 05:00 and sunset near 18:57. You get long days with comfortable amounts of daylight.
How strong is the sun in July?
UV levels frequently reach very high levels (around 9), so strong sun protection is essential, especially around midday.
Is it windy in July?
In July, average wind speeds are around 14 km/h (9 mph), with gusts on the windiest days reaching about 50 km/h (31 mph). On the ground, it is it often feels breezy, especially in more exposed spots or along the coast.