Sits around the middle of the year.
October in context
How it compares to the rest of the year in Shanghai.
Typical rainfall for the year.
Around the yearly average.
Usually calmer than most months.
Near the middle of the yearly UV range.
Humidity stays close to the yearly norm.
Monthly climate breakdown
A detailed look at the typical climate conditions for October.
Thermal profile
Temperature
Typical daytime high
- Nighttime low
-
- Feels like (avg)
-
Light window
Sunshine
11.4 h
Average daylight
- UV index (max)
- 7
- Typical sun hours
- 05:57 - 17:22
Wet-day pattern
Rain & Snow
Typical rainfall
- Rainy days
- 8 days
- Cloud cover (avg)
- 53%
Air feel
Humidity & Wind
76%
Average humidity
- Wind (avg)
-
- Wind (max gusts)
-
Historical daily baseline
Daily climate explorer
Pick a day to inspect the usual conditions through October in Shanghai. Based on a 30-year historical climate baseline, not a forecast.
Primary control
Select a day
Scroll to compare daily conditions. The summary updates with your selection.
Secondary context
Monthly trend
Median daytime highs across the month, with a softer low line.
Day 15 selected for October. Temperature 22.5°C.
Historical disruption baseline
Typical disruptions in October
Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in October.
Rain disruption Measures: Likely rain disruption days. Observed about 10% of days (3.2 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
3.2 days / month
- Share of days
- ~10% of days
- Upper edge
- Up to ~46mm (P95)
Why this matters
Rain disruption risk appears on ~3 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Washout risk Measures: Washout day risk. Observed about 10% of days (3.2 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
3.2 days / month
- Share of days
- ~10% of days
- Upper edge
- Up to ~46mm (P95)
Why this matters
Washout conditions are possible on ~3 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Muggy days Measures: Muggy days (dew point >=20C). Observed about 8% of days (2.4 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
2.4 days / month
- Share of days
- ~8% of days
- Upper edge
- Up to ~24°C (P95)
Why this matters
Muggy conditions are possible on ~2 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 2% of days (0.6 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.6 days / month
- Share of days
- ~2% of days
- Upper edge
- Up to ~37°C (P95)
Why this matters
Feels-like heat >=32C is possible on ~1 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Fog-likely signal Measures: Fog-likely visibility proxy. Observed about 3% of days (1.0 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.0 days / month
- Share of days
- ~3% of days
- Upper edge
- Up to ~95% (P95)
Why this matters
Fog-likely conditions are possible on ~1 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Show all disruptions (19 more)
Heavy rain days Measures: Heavy rain days (>=10mm). Observed about 6% of days (1.7 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.7 days / month
- Share of days
- ~6% of days
- Upper edge
- Up to ~66mm (P95)
Why this matters
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 0.8 days/month in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.8 days / month
- Share of days
- —
- Upper edge
- Up to ~45mm (P95)
Why this matters
Multi-day washout runs are possible on ~1 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 2% of days (0.5 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.5 days / month
- Share of days
- ~2% of days
- Upper edge
- Up to ~90km/h (P95)
Why this matters
Strong gusts are possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Very heavy rain Measures: Very heavy rain days (>=25mm). Observed about 1% of days (0.5 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.5 days / month
- Share of days
- ~1% of days
- Upper edge
- Up to ~97mm (P95)
Why this matters
Very heavy rain is possible on ~0 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Stormy conditions Measures: Storm-impact proxy days. Observed about 1% of days (0.5 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.5 days / month
- Share of days
- ~1% of days
- Upper edge
- Up to ~86km/h (P95)
Why this matters
Stormy conditions are possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 45% of days (13.9 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
13.9 days / month
- Share of days
- ~45% of days
- Upper edge
- Up to ~100% (P95)
Why this matters
Cloudy skies are possible on ~14 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Wet days Measures: Wet days (>=0.1mm). Observed about 37% of days (11.3 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
11.3 days / month
- Share of days
- ~37% of days
- Upper edge
- Up to ~23mm (P95)
Why this matters
Measurable rain is possible on ~11 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
High humidity Measures: High humidity days (RH >=80%). Observed about 34% of days (10.4 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
10.4 days / month
- Share of days
- ~34% of days
- Upper edge
- Up to ~92% (P95)
Why this matters
High humidity is possible on ~10 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Mostly cloudy days Measures: Mostly cloudy days (cloud cover >=80%). Observed about 27% of days (8.4 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
8.4 days / month
- Share of days
- ~27% of days
- Upper edge
- Up to ~100% (P95)
Why this matters
Mostly cloudy skies are possible on ~8 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Rainy hours Measures: Rain-hours signal (>=3h rain). Observed about 27% of days (8.3 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
8.3 days / month
- Share of days
- ~27% of days
- Upper edge
- Up to ~22h (P95)
Why this matters
Several rainy hours are possible on ~8 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 24% of days (7.3 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
7.3 days / month
- Share of days
- ~24% of days
- Upper edge
- Up to ~62km/h (P95)
Why this matters
Gusty conditions are possible on ~7 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 18% of days (5.6 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
5.6 days / month
- Share of days
- ~18% of days
- Upper edge
- Up to ~23h (P95)
Why this matters
Wet-most-of-day conditions are possible on ~6 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Humid days Measures: Humid days (dew point >=18C). Observed about 18% of days (5.6 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
5.6 days / month
- Share of days
- ~18% of days
- Upper edge
- Up to ~23°C (P95)
Why this matters
Humid conditions are possible on ~6 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Overcast days Measures: Overcast days (cloud cover >=95%). Observed about 15% of days (4.6 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
4.6 days / month
- Share of days
- ~15% of days
- Upper edge
- Up to ~100% (P95)
Why this matters
Overcast skies are possible on ~5 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Convective risk Measures: Convective storm risk proxy. Observed about 5% of days (1.6 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.6 days / month
- Share of days
- ~5% of days
- Upper edge
- Up to ~23°C (P95)
Why this matters
Convective risk signal appears on ~2 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Warm nights Measures: Warm nights (min >=22C). Observed about 4% of days (1.1 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.1 days / month
- Share of days
- ~4% of days
- Upper edge
- Up to ~24°C (P95)
Why this matters
Warm nights are possible on ~1 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 3% of days (1.0 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.0 days / month
- Share of days
- ~3% of days
- Upper edge
- Up to ~95 (P95)
Why this matters
Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data is possible on ~1 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 2% of days (0.6 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.6 days / month
- Share of days
- ~2% of days
- Upper edge
- Up to ~35km/h (P95)
Why this matters
Breezy conditions are possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Hot days Measures: Hot days (>=30C). Observed about 1% of days (0.2 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.2 days / month
- Share of days
- ~1% of days
- Upper edge
- Up to ~33°C (P95)
Why this matters
Hot days are possible on ~0 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Travel planning FAQ
Frequently asked questions
Quick answers to the weather questions you ask the most.
Is October a good time to visit Shanghai?
Typical October days in Shanghai reach highs of 23°C (73°F) with nights around 16°C (61°F). It usually feels warm by day and mild after dark. Overall, October sits in the middle of the Shanghai climate range.
What are temperatures like in October?
In October, you can usually expect highs of 23°C (73°F) and lows near 16°C (61°F). That means warm days and mild nights, so pack layers you can add or remove.
How much does it rain in October?
Rainfall in October averages 64 mm (2.5 in) across roughly 8 days. Overall it is a moderately wet time of year, so showers are usually brief rather than all-day downpours.
How many hours of daylight are there in October?
You can expect about 11 hours of daylight in October. Sunrise is typically around 05:57 and sunset near 17:22. Daylight is fairly typical, with enough time for sightseeing.
How strong is the sun in October?
UV levels are often high (around 7). Regular sunscreen and a hat are recommended.
Is it windy in October?
In October, average wind speeds are around 12 km/h (7 mph), with gusts on the windiest days reaching about 46 km/h (29 mph). On the ground, it is it often feels breezy, especially in more exposed spots or along the coast.