Average annual temperature is 11.5 °C
Absolute maximum temperature: 32.9 °C
Absolute minimum temperature: -17.4 °C
Number of sunny days: 249 days
Number of rainy days: 106 days
Number of snow days: 10 days
Look at detailed online map of Haitou
* Weather data for Haitou 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) | 7.3 | 8.4 | 19.7 | 18.2 | 25.2 | 29.6 | 32.9 | 31.8 | 30.6 | 24.9 | 25.0 | 14.5 |
| Average daytime temperature (°C) | 0.5 | 3.5 | 9.3 | 14.6 | 19.9 | 25.1 | 27.6 | 28.3 | 26.2 | 20.3 | 8.2 | 0.4 |
| Average temperature (°C) | -3.6 | -0.6 | 4.9 | 10.5 | 16.3 | 21.4 | 24.9 | 24.9 | 22.1 | 15.9 | 4.4 | -3.4 |
| Average night temperature (°C) | -7.7 | -3.8 | 1.2 | 7.1 | 13.2 | 18.3 | 22.4 | 21.9 | 18.3 | 12.2 | 0.2 | -7.5 |
| Absolute minimum temperature (°C) | -16.6 | -7.0 | -4.6 | 2.9 | 10.0 | 15.0 | 19.2 | 16.8 | 13.6 | 7.4 | -6.8 | -17.4 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.3 | 8.5 | 9.8 | 9.1 | 8.9 | 11.0 | 9.2 | 9.7 | 9.6 | 8.6 | 7.0 | 6.4 |
| Precipitation (mm) | 9 | 3 | 1 | 62 | 108 | 103 | 161 | 131 | 20 | 23 | 44 | 21 |
| Sunny days | 29 | 26 | 27 | 21 | 22 | 15 | 12 | 15 | 19 | 23 | 17 | 23 |
| Rainy days | 1 | 2 | 4 | 9 | 9 | 15 | 19 | 16 | 11 | 8 | 10 | 2 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 6 |
The largest precipitation sum in Haitou is at