Average annual temperature is 15.8 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: -9.2 °C
Number of sunny days: 230 days
Number of rainy days: 133 days
Number of snow days: 2 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) | 14.7 | 17.1 | 28.5 | 29.7 | 33.6 | 36.7 | 36.6 | 35.5 | 31.8 | 27.5 | 28.7 | 21.6 |
| Average daytime temperature (°C) | 7.5 | 9.8 | 19.2 | 21.0 | 26.0 | 30.8 | 32.4 | 31.9 | 27.7 | 23.8 | 14.5 | 6.8 |
| Average temperature (°C) | 1.6 | 4.5 | 12.5 | 15.6 | 21.2 | 25.8 | 28.0 | 27.3 | 23.3 | 18.2 | 9.2 | 1.9 |
| Average night temperature (°C) | -3.5 | -0.6 | 6.4 | 10.9 | 16.8 | 21.0 | 24.7 | 23.2 | 19.3 | 13.5 | 4.3 | -2.6 |
| Absolute minimum temperature (°C) | -8.7 | -4.3 | -0.2 | 5.7 | 10.7 | 15.3 | 21.5 | 18.6 | 12.3 | 5.7 | -4.7 | -9.2 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.4 | 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) | 7.5 | 6.8 | 9.2 | 7.8 | 7.4 | 8.5 | 9.2 | 10.5 | 7.5 | 8.1 | 7.2 | 6.4 |
| Precipitation (mm) | 17 | 23 | 9 | 85 | 115 | 97 | 201 | 240 | 101 | 16 | 41 | 27 |
| Sunny days | 27 | 23 | 29 | 15 | 17 | 18 | 8 | 13 | 10 | 23 | 23 | 24 |
| Rainy days | 3 | 5 | 2 | 15 | 14 | 12 | 23 | 18 | 20 | 8 | 7 | 6 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Cailou during the most sunny months:
The largest precipitation sum in Cailou is at