Climate at a glance · Suzhou
Annual mean18°day and night
Precipitation1288 mma year
Warmest monthAugustavg high 34°
Coldest monthJanuaryavg low 1°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
1288 mm a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 10° | 11° | 17° | 22° | 26° | 29° | 33° | 34° | 29° | 23° | 18° | 11° |
| Avg low | 1° | 2° | 7° | 12° | 17° | 22° | 26° | 26° | 23° | 16° | 10° | 2° |
| Precip, mm | 41 | 64 | 81 | 83 | 111 | 229 | 224 | 142 | 161 | 66 | 64 | 22 |
| Wet days | 5 | 9 | 10 | 10 | 11 | 17 | 16 | 14 | 14 | 9 | 7 | 4 |
| Sunshine | 6.9 h | 5.6 h | 6.7 h | 7.6 h | 8.2 h | 6.9 h | 9.3 h | 10.2 h | 8.5 h | 7.1 h | 7.2 h | 7.3 h |
| Humidity | 69% | 74% | 72% | 70% | 72% | 81% | 78% | 76% | 81% | 77% | 73% | 69% |
| Daylight | 10 h 22 | 11 h 05 | 12 h 00 | 12 h 57 | 13 h 45 | 14 h 09 | 13 h 57 | 13 h 16 | 12 h 21 | 11 h 24 | 10 h 35 | 10 h 09 |
| UV index (clear sky) | 5 | 6 | 8 | 10 | 11 | 12 | 12 | 11 | 9 | 7 | 5 | 4 |
5-year averages (2021–2025) · Open-Meteo historical weather (ERA5)
31.3040°N, 120.5950°E