Average annual temperature is 19.8 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: -3.5 °C
Number of sunny days: 138 days
Number of rainy days: 227 days
Look at detailed online map of Sanmen
* Weather data for Sanmen 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) | 25.0 | 22.0 | 28.0 | 32.0 | 34.1 | 34.6 | 37.7 | 36.6 | 34.4 | 31.3 | 31.9 | 25.9 |
| Average daytime temperature (°C) | 13.1 | 13.8 | 20.1 | 24.1 | 27.9 | 31.1 | 34.5 | 32.9 | 31.1 | 25.3 | 21.2 | 14.4 |
| Average temperature (°C) | 8.6 | 10.2 | 15.6 | 19.5 | 23.8 | 27.1 | 29.9 | 28.6 | 26.8 | 21.3 | 15.9 | 9.7 |
| Average night temperature (°C) | 4.0 | 6.9 | 11.7 | 15.6 | 20.0 | 23.7 | 25.9 | 25.0 | 23.5 | 17.9 | 11.6 | 5.8 |
| Absolute minimum temperature (°C) | -3.4 | 1.9 | 8.0 | 9.0 | 15.0 | 20.7 | 24.5 | 20.9 | 20.9 | 12.2 | 5.4 | -3.5 |
| 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 | 11.2 | 12.0 | 12.8 | 13.5 | 13.8 | 13.6 | 13.1 | 12.3 | 11.5 | 10.8 | 10.5 |
| 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) | 6.8 | 4.1 | 5.9 | 6.7 | 8.2 | 7.9 | 10.8 | 10.0 | 8.3 | 6.4 | 7.6 | 6.1 |
| Precipitation (mm) | 41 | 104 | 172 | 199 | 173 | 247 | 117 | 134 | 92 | 41 | 99 | 32 |
| Sunny days | 19 | 10 | 8 | 7 | 10 | 6 | 12 | 8 | 6 | 17 | 17 | 18 |
| Rainy days | 12 | 18 | 23 | 23 | 21 | 24 | 19 | 23 | 24 | 14 | 13 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Sanmen during the most sunny months:
The largest precipitation sum in Sanmen is at