Average annual temperature is 15.7 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: -9.1 °C
Number of sunny days: 215 days
Number of rainy days: 148 days
Number of snow days: 2 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) | 16.8 | 15.8 | 26.2 | 29.4 | 32.6 | 35.1 | 34.0 | 34.2 | 30.2 | 26.4 | 28.0 | 22.0 |
| Average daytime temperature (°C) | 8.2 | 9.0 | 17.2 | 20.8 | 25.7 | 29.7 | 31.1 | 30.8 | 27.1 | 23.3 | 15.7 | 7.8 |
| Average temperature (°C) | 2.4 | 4.2 | 11.1 | 15.4 | 20.6 | 25.0 | 27.7 | 26.7 | 23.3 | 17.9 | 10.3 | 3.2 |
| Average night temperature (°C) | -2.4 | -0.3 | 5.5 | 10.7 | 16.2 | 20.7 | 25.1 | 23.2 | 20.2 | 13.6 | 5.6 | -0.9 |
| Absolute minimum temperature (°C) | -9.1 | -4.1 | -0.1 | 3.7 | 9.3 | 15.2 | 22.6 | 17.3 | 15.7 | 6.9 | -3.6 | -8.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.3 | 14.1 | 13.4 | 12.4 | 11.3 | 10.4 | 10.0 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.5 | 6.3 | 8.0 | 8.4 | 7.6 | 7.9 | 6.7 | 10.1 | 6.1 | 8.2 | 7.4 | 6.1 |
| Precipitation (mm) | 20 | 48 | 38 | 74 | 122 | 103 | 292 | 137 | 142 | 17 | 13 | 78 |
| Sunny days | 25 | 16 | 23 | 21 | 19 | 16 | 4 | 11 | 12 | 23 | 22 | 23 |
| Rainy days | 6 | 12 | 8 | 9 | 12 | 14 | 27 | 20 | 18 | 8 | 8 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Sanmen during the most sunny months:
The largest precipitation sum in Sanmen is at