Asia › Japan › Osaka
30-year normals (1991-2020)
Osaka has a oceanic/humid subtropical climate, classified as Cfa in the Köppen system. The warmest month is August with an average high of 32°C, while the coldest month is January with lows dropping to 1°C. The annual temperature range of 31°C is typical of continental climates with distinct seasons.
The driest month is January with only 6 rain days and 58mm of precipitation. For travellers, January through to the following month typically offers the best balance of warm temperatures and dry conditions. Average humidity ranges from 70% to 70% throughout the year.
Based on temperature and rainfall data, the best months to visit Osaka are November, April, May. These months offer the most comfortable temperatures with relatively low rainfall, ideal for sightseeing and outdoor activities.
Full Best Time to Visit GuideWarmest Month
32°C
August
Coldest Month
1°C
January
Driest Month
6 days
January
Annual Range
31°C
1° to 32°
| Month | High | Low | Rain Days | Sun | Details |
|---|---|---|---|---|---|
| January | 8°C | 1°C | 6 | 8h | View |
| February | 9°C | 1°C | 8 | 8h | View |
| March | 13°C | 4°C | 11 | 9h | View |
| April | 18°C | 9°C | 10 | 9h | View |
| May | 23°C | 15°C | 10 | 10h | View |
| June | 26°C | 19°C | 13 | 9h | View |
| July | 30°C | 23°C | 14 | 10h | View |
| August | 32°C | 24°C | 12 | 11h | View |
| September | 28°C | 21°C | 12 | 9h | View |
| October | 22°C | 15°C | 10 | 8h | View |
| November | 16°C | 9°C | 8 | 8h | View |
| December | 11°C | 4°C | 7 | 8h | View |
January
6 rain days, 8h sun
February
8 rain days, 8h sun
March
11 rain days, 9h sun
April
10 rain days, 9h sun
May
10 rain days, 10h sun
June
13 rain days, 9h sun
July
14 rain days, 10h sun
August
12 rain days, 11h sun
September
12 rain days, 9h sun
October
10 rain days, 8h sun
November
8 rain days, 8h sun
December
7 rain days, 8h sun
Osaka in August
Data Sources for Osaka
Climate normals represent 30-year averages (1991-2020). Individual years may vary.