Average annual temperature is 15.2 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: -4.9 °C
Number of sunny days: 128 days
Number of rainy days: 231 days
Number of snow days: 6 days
Look at detailed online map of Haishan
* Weather data for Haishan China is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 21.7 | 21.9 | 23.8 | 30.3 | 33.1 | 32.7 | 28.9 | 26.2 | 26.0 | 25.7 | 22.4 | 19.9 |
| Average daytime temperature (°C) | 12.5 | 17.7 | 19.9 | 25.3 | 26.1 | 23.7 | 24.6 | 23.1 | 23.2 | 19.2 | 18.0 | 15.4 |
| Average temperature (°C) | 6.3 | 11.3 | 13.2 | 18.3 | 19.9 | 19.2 | 20.2 | 18.9 | 18.4 | 14.9 | 12.4 | 9.7 |
| Average night temperature (°C) | 0.7 | 5.2 | 7.4 | 10.8 | 14.3 | 15.2 | 16.3 | 15.6 | 14.3 | 11.4 | 7.3 | 4.3 |
| Absolute minimum temperature (°C) | -4.9 | 1.7 | 2.1 | 5.7 | 10.7 | 12.9 | 13.9 | 13.5 | 11.7 | 6.5 | 2.5 | 0.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.7 | 11.3 | 12.0 | 12.8 | 13.4 | 13.7 | 13.6 | 13.0 | 12.3 | 11.5 | 10.9 | 10.6 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.7 | 8.6 | 9.5 | 11.1 | 10.0 | 8.6 | 9.7 | 9.1 | 10.3 | 7.1 | 8.5 | 7.5 |
| Precipitation (mm) | 8 | 11 | 33 | 39 | 69 | 234 | 144 | 216 | 112 | 117 | 34 | 11 |
| Sunny days | 21 | 15 | 10 | 17 | 11 | 4 | 6 | 2 | 6 | 3 | 15 | 18 |
| Rainy days | 6 | 11 | 21 | 13 | 20 | 26 | 25 | 29 | 24 | 28 | 15 | 13 |
| Snow days | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Haishan is at