Average annual temperature is 16.9 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: -5.4 °C
Number of sunny days: 109 days
Number of rainy days: 256 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) | 19.5 | 20.2 | 24.4 | 27.5 | 31.9 | 29.8 | 33.1 | 31.3 | 29.6 | 28.6 | 24.7 | 23.0 |
| Average daytime temperature (°C) | 12.6 | 15.8 | 18.5 | 22.0 | 25.2 | 27.2 | 29.1 | 27.9 | 27.1 | 22.7 | 18.9 | 14.6 |
| Average temperature (°C) | 7.7 | 10.5 | 13.3 | 16.7 | 20.3 | 22.4 | 24.2 | 23.2 | 22.5 | 18.2 | 13.6 | 9.4 |
| Average night temperature (°C) | 3.5 | 6.3 | 9.4 | 12.8 | 16.8 | 19.5 | 20.8 | 20.5 | 19.3 | 14.8 | 9.6 | 5.3 |
| Absolute minimum temperature (°C) | -4.8 | -0.8 | 2.9 | 5.8 | 11.2 | 17.4 | 19.5 | 18.8 | 17.5 | 10.8 | 3.0 | -5.4 |
| 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) | 6.2 | 6.2 | 5.9 | 7.4 | 7.9 | 8.0 | 10.3 | 9.0 | 8.9 | 6.5 | 7.7 | 6.6 |
| Precipitation (mm) | 88 | 81 | 228 | 168 | 161 | 300 | 152 | 266 | 176 | 80 | 35 | 37 |
| Sunny days | 17 | 15 | 11 | 7 | 5 | 1 | 4 | 1 | 5 | 8 | 18 | 17 |
| Rainy days | 14 | 13 | 20 | 23 | 26 | 29 | 27 | 30 | 25 | 23 | 12 | 14 |
| 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