Average annual temperature is 15.9 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: -8.8 °C
Number of sunny days: 164 days
Number of rainy days: 199 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) | 22.3 | 19.0 | 24.8 | 31.5 | 32.4 | 31.9 | 34.4 | 34.1 | 32.2 | 26.1 | 28.4 | 21.7 |
| Average daytime temperature (°C) | 9.5 | 9.9 | 16.3 | 21.3 | 25.0 | 28.4 | 30.8 | 29.9 | 27.4 | 22.6 | 17.1 | 9.7 |
| Average temperature (°C) | 4.2 | 5.6 | 11.2 | 16.2 | 20.3 | 24.2 | 27.0 | 25.8 | 23.2 | 17.5 | 11.1 | 4.4 |
| Average night temperature (°C) | -1.1 | 1.7 | 6.3 | 11.4 | 16.1 | 20.7 | 23.9 | 22.3 | 19.8 | 13.2 | 5.8 | -0.1 |
| Absolute minimum temperature (°C) | -8.0 | -4.0 | 1.4 | 4.5 | 9.3 | 17.2 | 21.7 | 16.7 | 16.1 | 6.9 | 0.0 | -8.8 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 13.9 | 13.2 | 12.3 | 11.4 | 10.6 | 10.2 |
| 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) | 6.9 | 4.5 | 5.9 | 7.6 | 6.9 | 7.1 | 7.8 | 9.6 | 7.0 | 7.1 | 8.0 | 6.5 |
| Precipitation (mm) | 62 | 93 | 58 | 76 | 180 | 242 | 196 | 136 | 130 | 21 | 35 | 27 |
| Sunny days | 22 | 13 | 17 | 10 | 8 | 7 | 5 | 7 | 8 | 19 | 24 | 24 |
| Rainy days | 8 | 15 | 14 | 20 | 23 | 23 | 26 | 24 | 22 | 12 | 6 | 6 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Sanmen during the most sunny months:
The largest precipitation sum in Sanmen is at