Average annual temperature is 3.5 °C
Absolute maximum temperature: 21.6 °C
Absolute minimum temperature: -18.2 °C
Number of sunny days: 101 days
Number of rainy days: 168 days
Number of snow days: 96 days
Look at detailed online map of Retu
* Weather data for Retu 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) | 10.6 | 10.4 | 6.1 | 12.9 | 20.4 | 21.6 | 20.8 | 21.6 | 18.2 | 18.6 | 9.0 | 10.0 |
| Average daytime temperature (°C) | 3.4 | 2.9 | 2.3 | 7.7 | 11.9 | 15.1 | 17.2 | 16.9 | 15.9 | 10.0 | 4.6 | 2.2 |
| Average temperature (°C) | -2.3 | -2.7 | -3.4 | 1.7 | 6.1 | 10.0 | 11.7 | 11.6 | 9.4 | 4.0 | -1.3 | -3.7 |
| Average night temperature (°C) | -9.3 | -8.5 | -10.3 | -4.6 | -0.2 | 4.9 | 6.6 | 7.1 | 3.4 | -0.9 | -6.7 | -9.9 |
| Absolute minimum temperature (°C) | -14.5 | -17.2 | -18.2 | -10.5 | -8.0 | -2.2 | 3.9 | 3.2 | 0.1 | -5.3 | -9.6 | -14.3 |
| 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) | 10.4 | 11.1 | 12.0 | 12.9 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.6 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.3 | 9.1 | 10.1 | 10.2 | 11.2 | 9.9 | 10.1 | 9.0 | 10.6 | 9.5 | 9.3 | 8.9 |
| Precipitation (mm) | 1 | 28 | 49 | 75 | 100 | 149 | 148 | 230 | 128 | 86 | 9 | 7 |
| Sunny days | 26 | 11 | 8 | 3 | 4 | 3 | 0 | 0 | 5 | 5 | 19 | 17 |
| Rainy days | 0 | 1 | 1 | 10 | 25 | 27 | 31 | 31 | 25 | 17 | 0 | 0 |
| Snow days | 5 | 16 | 22 | 17 | 2 | 0 | 0 | 0 | 0 | 9 | 11 | 14 |
The largest precipitation sum in Retu is at