Average annual temperature is 15.8 °C
Absolute maximum temperature: 38.4 °C
Absolute minimum temperature: -9.5 °C
Number of sunny days: 246 days
Number of rainy days: 116 days
Number of snow days: 3 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) | 15.1 | 18.5 | 29.0 | 28.8 | 34.2 | 38.3 | 38.4 | 36.2 | 32.6 | 28.7 | 29.1 | 22.6 |
| Average daytime temperature (°C) | 7.3 | 10.5 | 19.6 | 20.7 | 25.7 | 32.3 | 33.6 | 31.4 | 27.6 | 23.7 | 14.6 | 5.8 |
| Average temperature (°C) | 1.4 | 5.0 | 13.0 | 15.5 | 20.9 | 26.7 | 28.7 | 27.1 | 23.2 | 18.0 | 9.1 | 0.8 |
| Average night temperature (°C) | -3.8 | -0.2 | 7.0 | 10.7 | 16.7 | 21.4 | 24.5 | 23.1 | 19.3 | 13.2 | 4.1 | -3.7 |
| Absolute minimum temperature (°C) | -7.9 | -3.8 | 1.4 | 5.3 | 10.2 | 14.6 | 21.5 | 16.9 | 12.1 | 7.8 | -4.8 | -9.5 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.3 | 7.2 | 8.8 | 7.9 | 7.1 | 8.6 | 9.2 | 9.8 | 7.2 | 7.4 | 7.0 | 6.9 |
| Precipitation (mm) | 10 | 22 | 11 | 91 | 95 | 48 | 237 | 94 | 120 | 10 | 31 | 35 |
| Sunny days | 28 | 21 | 28 | 19 | 15 | 21 | 13 | 17 | 12 | 23 | 25 | 24 |
| Rainy days | 2 | 7 | 3 | 11 | 16 | 9 | 18 | 14 | 18 | 8 | 4 | 6 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The largest precipitation sum in Cailou is at