Average annual temperature is 15.3 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: -13.3 °C
Number of sunny days: 268 days
Number of rainy days: 92 days
Number of snow days: 5 days
Look at detailed online map of Cailou
* Weather data for Cailou 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) | 12.5 | 15.6 | 28.6 | 27.8 | 34.5 | 38.6 | 38.4 | 35.3 | 32.8 | 27.1 | 28.5 | 19.5 |
| Average daytime temperature (°C) | 5.9 | 9.5 | 18.7 | 20.3 | 26.3 | 32.9 | 33.5 | 31.1 | 28.2 | 23.8 | 12.6 | 4.0 |
| Average temperature (°C) | 0.3 | 3.9 | 12.3 | 15.1 | 21.1 | 27.0 | 28.7 | 26.8 | 23.3 | 17.9 | 7.5 | -0.6 |
| Average night temperature (°C) | -4.4 | -1.5 | 6.3 | 10.3 | 16.6 | 21.2 | 24.7 | 23.0 | 19.0 | 12.7 | 2.8 | -4.7 |
| Absolute minimum temperature (°C) | -11.3 | -4.9 | -0.2 | 3.1 | 9.9 | 13.9 | 20.1 | 16.5 | 12.0 | 6.6 | -5.8 | -13.3 |
| 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 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.5 | 7.8 | 9.4 | 7.7 | 7.4 | 9.9 | 9.6 | 10.1 | 8.0 | 8.3 | 7.1 | 6.3 |
| Precipitation (mm) | 3 | 7 | 8 | 61 | 40 | 39 | 216 | 145 | 52 | 0 | 48 | 23 |
| Sunny days | 28 | 22 | 29 | 18 | 19 | 24 | 13 | 17 | 18 | 29 | 26 | 25 |
| Rainy days | 2 | 5 | 2 | 12 | 12 | 6 | 18 | 14 | 12 | 2 | 3 | 4 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The largest precipitation sum in Cailou is at