Climate at a glance · Hangzhou
Annual mean18°day and night
Precipitation1583 mma year
Warmest monthAugustavg high 35°
Coldest monthJanuaryavg low 1°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
1583 mm a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 11° | 12° | 18° | 23° | 27° | 29° | 34° | 35° | 30° | 24° | 19° | 12° |
| Avg low | 1° | 3° | 8° | 13° | 17° | 22° | 26° | 26° | 23° | 16° | 9° | 2° |
| Precip, mm | 51 | 99 | 116 | 122 | 163 | 340 | 196 | 182 | 149 | 66 | 70 | 29 |
| Wet days | 7 | 13 | 13 | 13 | 12 | 20 | 17 | 17 | 15 | 11 | 9 | 5 |
| Sunshine | 6.7 h | 5.2 h | 6.4 h | 6.8 h | 7.6 h | 6.6 h | 9.3 h | 10.3 h | 8.4 h | 6.7 h | 6.6 h | 7 h |
| Humidity | 68% | 76% | 74% | 72% | 74% | 83% | 77% | 74% | 81% | 76% | 74% | 69% |
| Daylight | 10 h 26 | 11 h 07 | 12 h 00 | 12 h 55 | 13 h 41 | 14 h 04 | 13 h 53 | 13 h 13 | 12 h 21 | 11 h 26 | 10 h 38 | 10 h 14 |
| UV index (clear sky) | 5 | 7 | 9 | 11 | 12 | 12 | 12 | 11 | 9 | 7 | 5 | 4 |
5-year averages (2021–2025) · Open-Meteo historical weather (ERA5)
30.2940°N, 120.1610°E