Climate at a glance · Osaka
Annual mean17°day and night
Precipitation1753 mma year
Warmest monthAugustavg high 33°
Coldest monthJanuaryavg low 1°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
1753 mm a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 9° | 10° | 15° | 20° | 23° | 27° | 32° | 33° | 30° | 24° | 18° | 12° |
| Avg low | 1° | 1° | 5° | 10° | 14° | 20° | 25° | 26° | 23° | 15° | 9° | 3° |
| Precip, mm | 42 | 61 | 123 | 158 | 235 | 253 | 202 | 206 | 197 | 135 | 97 | 44 |
| Wet days | 6 | 7 | 11 | 11 | 13 | 14 | 16 | 17 | 14 | 10 | 7 | 6 |
| Sunshine | 7.7 h | 7.8 h | 8.1 h | 8.4 h | 8.6 h | 8.6 h | 10.7 h | 10.2 h | 9.2 h | 8.2 h | 8 h | 8.1 h |
| Humidity | 73% | 71% | 73% | 72% | 74% | 78% | 77% | 74% | 76% | 76% | 76% | 73% |
| Sea temperature | 9° | 7° | 10° | 15° | 19° | 24° | 30° | 31° | 29° | 24° | 18° | 13° |
| Daylight | 10 h 08 | 10 h 56 | 11 h 59 | 13 h 04 | 13 h 59 | 14 h 26 | 14 h 13 | 13 h 26 | 12 h 24 | 11 h 19 | 10 h 22 | 9 h 52 |
| UV index (clear sky) | 4 | 6 | 8 | 10 | 11 | 12 | 11 | 11 | 9 | 6 | 4 | 4 |
5-year averages (2021–2025) · Open-Meteo historical weather (ERA5)
34.6940°N, 135.5020°E