Average annual temperature is 15.9 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: -8.6 °C
Number of sunny days: 233 days
Number of rainy days: 128 days
Number of snow days: 4 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) | 14.2 | 17.6 | 28.9 | 29.7 | 33.8 | 36.7 | 36.9 | 35.1 | 32.0 | 27.6 | 28.8 | 21.8 |
| Average daytime temperature (°C) | 7.6 | 10.1 | 19.4 | 21.1 | 25.9 | 31.0 | 32.4 | 31.9 | 28.0 | 24.0 | 14.6 | 6.9 |
| Average temperature (°C) | 1.7 | 4.7 | 12.6 | 15.8 | 21.1 | 26.0 | 28.1 | 27.5 | 23.5 | 18.4 | 9.3 | 1.8 |
| Average night temperature (°C) | -3.5 | -0.5 | 6.5 | 11.1 | 17.1 | 21.2 | 24.6 | 23.4 | 19.4 | 13.7 | 4.4 | -2.6 |
| Absolute minimum temperature (°C) | -8.6 | -4.6 | -0.7 | 3.9 | 11.6 | 16.3 | 21.7 | 18.3 | 12.6 | 6.2 | -4.8 | -8.6 |
| 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 | 8.9 | 8.0 | 7.3 | 8.5 | 9.2 | 10.3 | 7.6 | 8.0 | 7.1 | 6.4 |
| Precipitation (mm) | 16 | 21 | 9 | 87 | 109 | 77 | 180 | 207 | 78 | 12 | 36 | 31 |
| Sunny days | 27 | 22 | 29 | 16 | 16 | 18 | 9 | 12 | 12 | 24 | 23 | 25 |
| Rainy days | 2 | 6 | 2 | 14 | 15 | 12 | 22 | 19 | 18 | 7 | 7 | 4 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Cailou during the most sunny months:
The largest precipitation sum in Cailou is at