Osaka in July
What to expect
July in Osaka is mid-summer, with a settled seasonal pattern already in place. It can feel distinctly hot through the middle of the day, with a noticeable cool-down after sunset. Most days feel close to what the averages suggest, with straightforward pacing. There is plenty of daylight to stretch outdoor time.
July in context
How it compares to the rest of the year in Osaka.
Monthly climate breakdown
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight hours
- 14.2 h
- UV index (max)
- 8
- Typical sun hours
- 04:56 - 19:09
Rain & Snow
- Total rain
-
- Rainy days
- 18 days
- Cloud cover (avg)
- 70%
Humidity & Wind
- Humidity (avg)
- 80%
- Wind (avg)
-
- Wind (max gusts)
-
Daily climate explorer
Day 15 selected for July. Typical high 30.1°C and low 23.7°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 91% of days (28.2 days/month) in July. Historical risk signal only, not a day-by-day forecast.
28.2 days / month
~91% of days
Why this matters
- Expected days 28.2 days / month
- Probability ~91% of days
- Intensity Up to ~25°C (P95)
Muggy conditions are possible on ~28 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 77% of days (24.0 days/month) in July. Historical risk signal only, not a day-by-day forecast.
24.0 days / month
~77% of days
Why this matters
- Expected days 24.0 days / month
- Probability ~77% of days
- Intensity Up to ~40°C (P95)
Feels-like heat >=32C is possible on ~24 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Hot days Measures: Hot days (>=30C). Observed about 53% of days (16.5 days/month) in July. Historical risk signal only, not a day-by-day forecast.
16.5 days / month
~53% of days
Why this matters
- Expected days 16.5 days / month
- Probability ~53% of days
- Intensity Up to ~35°C (P95)
Hot days are possible on ~16 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 45% of days (14.1 days/month) in July. Historical risk signal only, not a day-by-day forecast.
14.1 days / month
~45% of days
Why this matters
- Expected days 14.1 days / month
- Probability ~45% of days
- Intensity Up to ~40°C (P95)
Very hot feels-like conditions are possible on ~14 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Heat stress risk Measures: High heat stress days. Observed about 45% of days (14.1 days/month) in July. Historical risk signal only, not a day-by-day forecast.
14.1 days / month
~45% of days
Why this matters
- Expected days 14.1 days / month
- Probability ~45% of days
- Intensity Up to ~40°C (P95)
Heat stress is possible on ~14 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Rain disruption Measures: Likely rain disruption days. Observed about 28% of days (8.7 days/month) in July. Historical risk signal only, not a day-by-day forecast.
8.7 days / month
~28% of days
Why this matters
- Expected days 8.7 days / month
- Probability ~28% of days
- Intensity Up to ~52mm (P95)
Rain disruption risk appears on ~9 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Show all disruptions (27 more)
Washout risk Measures: Washout day risk. Observed about 28% of days (8.5 days/month) in July. Historical risk signal only, not a day-by-day forecast.
8.5 days / month
~28% of days
Why this matters
- Expected days 8.5 days / month
- Probability ~28% of days
- Intensity Up to ~52mm (P95)
Washout conditions are possible on ~9 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 19% of days (5.9 days/month) in July. Historical risk signal only, not a day-by-day forecast.
5.9 days / month
~19% of days
Why this matters
- Expected days 5.9 days / month
- Probability ~19% of days
- Intensity Up to ~61mm (P95)
Heavy rain is possible on ~6 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Very heavy rain Measures: Very heavy rain days (>=25mm). Observed about 7% of days (2.2 days/month) in July. Historical risk signal only, not a day-by-day forecast.
2.2 days / month
~7% of days
Why this matters
- Expected days 2.2 days / month
- Probability ~7% of days
- Intensity Up to ~75mm (P95)
Very heavy rain is possible on ~2 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 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 ~88km/h (P95)
Stormy conditions are possible on ~2 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Washout run Measures: Multi-day washout runs. Observed about 2.0 days/month in July. Historical risk signal only, not a day-by-day forecast.
2.0 days / month
Probability unavailable
Why this matters
- Expected days 2.0 days / month
- Probability —
- Intensity Up to ~76mm (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 5% of days (1.5 days/month) in July. Historical risk signal only, not a day-by-day forecast.
1.5 days / month
~5% of days
Why this matters
- Expected days 1.5 days / month
- Probability ~5% of days
- Intensity Up to ~91km/h (P95)
Strong gusts are possible on ~2 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Very hot days Measures: Very hot days (>=35C). Observed about 3% of days (0.8 days/month) in July. Historical risk signal only, not a day-by-day forecast.
0.8 days / month
~3% of days
Why this matters
- Expected days 0.8 days / month
- Probability ~3% of days
- Intensity Up to ~37°C (P95)
Very hot days are possible on ~1 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Extreme rain Measures: Extreme rain days (>=50mm). Observed about 2% of days (0.5 days/month) in July. Historical risk signal only, not a day-by-day forecast.
0.5 days / month
~2% of days
Why this matters
- Expected days 0.5 days / month
- Probability ~2% of days
- Intensity Up to ~93mm (P95)
Extreme rain is possible on ~1 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 (0.3 days/month) in July. Historical risk signal only, not a day-by-day forecast.
0.3 days / month
~1% of days
Why this matters
- Expected days 0.3 days / month
- Probability ~1% of days
- Intensity Up to ~98km/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.
Oppressive humidity Measures: Oppressive humidity days (dew point >=24C). Observed about 14% of days (4.4 days/month) in July. Historical risk signal only, not a day-by-day forecast.
4.4 days / month
~14% of days
Why this matters
- Expected days 4.4 days / month
- Probability ~14% of days
- Intensity Up to ~25°C (P95)
Oppressive humidity is possible on ~4 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Feels-like heatwave Measures: Feels-like heatwave runs (>=3 days). 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 ~38°C (P95)
Feels-like heatwave runs are possible on ~2 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Heatwave run Measures: Heatwave runs (>=3 hot days). Observed about 1.8 days/month in July. Historical risk signal only, not a day-by-day forecast.
1.8 days / month
Probability unavailable
Why this matters
- Expected days 1.8 days / month
- Probability —
- Intensity Up to ~33°C (P95)
Heatwave runs are possible on ~2 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 July. Historical risk signal only, not a day-by-day forecast.
1.0 days / month
~3% of days
Why this matters
- Expected days 1.0 days / month
- Probability ~3% of days
- Intensity Up to ~93% (P95)
Fog-likely conditions are possible on ~1 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Humid days Measures: Humid days (dew point >=18C). Observed about 98% of days (30.4 days/month) in July. Historical risk signal only, not a day-by-day forecast.
30.4 days / month
~98% of days
Why this matters
- Expected days 30.4 days / month
- Probability ~98% of days
- Intensity Up to ~25°C (P95)
Humid conditions are possible on ~30 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 81% of days (25.0 days/month) in July. Historical risk signal only, not a day-by-day forecast.
25.0 days / month
~81% of days
Why this matters
- Expected days 25.0 days / month
- Probability ~81% of days
- Intensity Up to ~26°C (P95)
Warm nights are possible on ~25 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 69% of days (21.4 days/month) in July. Historical risk signal only, not a day-by-day forecast.
21.4 days / month
~69% of days
Why this matters
- Expected days 21.4 days / month
- Probability ~69% 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 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 ~39mm (P95)
Measurable rain is possible on ~21 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Rainy hours Measures: Rain-hours signal (>=3h rain). Observed about 54% of days (16.7 days/month) in July. Historical risk signal only, not a day-by-day forecast.
16.7 days / month
~54% of days
Why this matters
- Expected days 16.7 days / month
- Probability ~54% of days
- Intensity Up to ~22h (P95)
Several rainy hours are possible on ~17 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
High humidity Measures: High humidity days (RH >=80%). Observed about 53% of days (16.3 days/month) in July. Historical risk signal only, not a day-by-day forecast.
16.3 days / month
~53% of days
Why this matters
- Expected days 16.3 days / month
- Probability ~53% of days
- Intensity Up to ~90% (P95)
High humidity is possible on ~16 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 48% of days (15.0 days/month) in July. Historical risk signal only, not a day-by-day forecast.
15.0 days / month
~48% of days
Why this matters
- Expected days 15.0 days / month
- Probability ~48% of days
- Intensity Up to ~100% (P95)
Mostly cloudy skies are possible on ~15 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 40% of days (12.3 days/month) in July. Historical risk signal only, not a day-by-day forecast.
12.3 days / month
~40% of days
Why this matters
- Expected days 12.3 days / month
- Probability ~40% of days
- Intensity Up to ~24h (P95)
Wet-most-of-day conditions are possible on ~12 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 28% of days (8.7 days/month) in July. Historical risk signal only, not a day-by-day forecast.
8.7 days / month
~28% of days
Why this matters
- Expected days 8.7 days / month
- Probability ~28% of days
- Intensity Up to ~75km/h (P95)
Gusty conditions are possible on ~9 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Convective risk Measures: Convective storm risk proxy. Observed about 28% of days (8.7 days/month) in July. Historical risk signal only, not a day-by-day forecast.
8.7 days / month
~28% of days
Why this matters
- Expected days 8.7 days / month
- Probability ~28% of days
- Intensity Up to ~24°C (P95)
Convective risk signal appears on ~9 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Overcast days Measures: Overcast days (cloud cover >=95%). 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 ~100% (P95)
Overcast skies are possible on ~8 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Hot nights Measures: Hot nights (min >=25C). Observed about 20% of days (6.3 days/month) in July. Historical risk signal only, not a day-by-day forecast.
6.3 days / month
~20% of days
Why this matters
- Expected days 6.3 days / month
- Probability ~20% of days
- Intensity Up to ~27°C (P95)
Hot nights are possible on ~6 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
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 July. Historical risk signal only, not a day-by-day forecast.
1.0 days / month
~3% of days
Why this matters
- Expected days 1.0 days / month
- Probability ~3% of days
- Intensity Up to ~93 (P95)
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 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 ~33km/h (P95)
Breezy conditions 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 Osaka?
Typical July days in Osaka reach highs of 30°C (86°F) with nights around 23°C (73°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?
In July, you can usually expect highs of 30°C (86°F) and lows near 23°C (73°F). That means hot days and warm nights, so pack layers you can add or remove.
How much does it rain in July?
Rainfall in July averages 192 mm (7.6 in) across roughly 18 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 04:56 and sunset near 19:09. You get long days with comfortable amounts of daylight.
How strong is the sun in July?
UV levels frequently reach very high levels (around 8), so strong sun protection is essential, especially around midday.
Is it windy in July?
In July, average wind speeds are around 9 km/h (6 mph), with gusts on the windiest days reaching about 52 km/h (32 mph). On the ground, it is it can feel quite windy at times, particularly when weather systems move through.