Average annual temperature is 5.1 °C
Absolute maximum temperature: 23.0 °C
Absolute minimum temperature: -18.6 °C
Number of sunny days: 229 days
Number of rainy days: 83 days
Number of snow days: 53 days
Look at detailed online map of Tonglai
* Weather data for Tonglai 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) | 9.5 | 12.6 | 11.0 | 14.7 | 17.1 | 23.0 | 22.2 | 19.6 | 20.8 | 19.1 | 11.6 | 8.0 |
| Average daytime temperature (°C) | 4.1 | 6.9 | 6.6 | 10.0 | 13.2 | 18.8 | 17.9 | 17.2 | 17.7 | 11.3 | 6.9 | 4.0 |
| Average temperature (°C) | -1.2 | 0.8 | 0.4 | 3.3 | 6.5 | 11.5 | 12.4 | 12.1 | 10.9 | 5.0 | 1.1 | -2.0 |
| Average night temperature (°C) | -6.3 | -5.2 | -5.1 | -2.5 | 0.8 | 6.0 | 8.3 | 7.8 | 5.5 | -0.2 | -4.0 | -8.0 |
| Absolute minimum temperature (°C) | -11.1 | -10.2 | -7.9 | -7.1 | -2.4 | 0.6 | 6.8 | 4.4 | 2.7 | -4.7 | -10.3 | -18.6 |
| 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) | 10.6 | 11.2 | 12.0 | 12.9 | 13.6 | 13.9 | 13.8 | 13.1 | 12.3 | 11.5 | 10.7 | 10.4 |
| 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) | 9.7 | 10.4 | 10.9 | 11.9 | 12.3 | 12.9 | 11.1 | 10.9 | 11.5 | 10.5 | 9.8 | 9.4 |
| Precipitation (mm) | 3 | 3 | 5 | 3 | 4 | 6 | 74 | 84 | 19 | 2 | 4 | 15 |
| Sunny days | 27 | 25 | 15 | 19 | 21 | 20 | 6 | 5 | 16 | 24 | 24 | 27 |
| Rainy days | 0 | 0 | 0 | 0 | 4 | 10 | 25 | 26 | 14 | 3 | 1 | 0 |
| Snow days | 4 | 3 | 16 | 11 | 6 | 0 | 0 | 0 | 0 | 4 | 5 | 4 |
The largest precipitation sum in Tonglai is at