Japan
Osaka in August: weather & travel advice
This month's data profile
Rain shapes the decision
Osaka in August is climatically mixed. The average daily high is around 30 °C. With about 16 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
51/100 · #8
Warmth
#1
Dryness
#10
Sun
#1
Published best categories: none
Osaka · AugustPhoto: Manish Prabhune · CC BY-SA 4.0Climate facts
- Average high
- 30 °C
- Average low
- 22 °C
- Rainy days (est.)
- 16 rainy days (est.)
- Sun (est.)
- 7 h/day
- Humidity
- 84 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| July | 29 | 22 | 16 | 210 | 6.3 | 85 | 1.5 | 53 |
| August (selected) | 30 | 22 | 16 | 181 | 6.5 | 84 | 1.5 | 51 |
| September | 27 | 19 | 16 | 226 | 5.1 | 84 | 1.6 | 62 |
How do the previous and next months compare?
Baseline: August (51/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | |
|---|---|---|---|---|---|---|---|---|
| July | +2 | -1 °C | -0.7 °C | +0.7 | +29.4 mm | -0.2 h | +1 % | ±0 m/s |
| September | +11 | -3.3 °C | -3.6 °C | +0.1 | +45.6 mm | -1.4 h | +0.7 % | +0.1 m/s |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Osaka in August?
The average daily high is around 30 °C, with an average daily low of about 22 °C.
Does it rain a lot in Osaka in August?
The curated estimate is about 16 rainy days per month, not a directly measured long-term average. Total precipitation averages around 181 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Osaka?
By the climate score, April, May, June and October are the strongest months for Osaka. August is not among them.