Average annual temperature is 7.0 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: -27.2 °C
Number of sunny days: 267 days
Number of rainy days: 67 days
Number of snow days: 31 days
Look at detailed online map of Erwan
* Weather data for Erwan 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) | 8.3 | 10.3 | 13.1 | 25.2 | 21.9 | 28.5 | 32.4 | 28.8 | 27.0 | 15.4 | 13.6 | 11.0 |
| Average daytime temperature (°C) | -4.7 | -0.3 | 6.9 | 8.9 | 15.7 | 22.9 | 25.4 | 23.4 | 18.7 | 11.8 | 4.1 | -0.8 |
| Average temperature (°C) | -8.2 | -3.5 | 2.9 | 4.6 | 11.2 | 18.3 | 20.6 | 19.0 | 14.7 | 7.8 | 0.4 | -4.8 |
| Average night temperature (°C) | -12.8 | -7.6 | -1.6 | -0.6 | 6.3 | 13.5 | 15.8 | 14.9 | 10.5 | 4.0 | -4.1 | -9.9 |
| Absolute minimum temperature (°C) | -23.3 | -12.8 | -6.3 | -8.3 | 1.6 | 7.0 | 9.6 | 10.9 | 3.5 | -1.3 | -10.7 | -27.2 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 8.5 | 8.5 | 10.3 | 8.8 | 9.1 | 9.8 | 10.9 | 9.3 | 9.5 | 8.5 | 8.7 | 7.8 |
| Precipitation (mm) | 3 | 10 | 3 | 23 | 29 | 37 | 44 | 29 | 28 | 18 | 8 | 7 |
| Sunny days | 28 | 18 | 29 | 18 | 15 | 20 | 21 | 18 | 24 | 25 | 25 | 26 |
| Rainy days | 0 | 0 | 0 | 4 | 16 | 10 | 10 | 13 | 6 | 6 | 2 | 0 |
| Snow days | 3 | 10 | 2 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 5 |
The largest precipitation sum in Erwan is at