Average annual temperature is 12.3 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: -14.3 °C
Number of sunny days: 252 days
Number of rainy days: 96 days
Number of snow days: 17 days
Look at detailed online map of Hainantun
* Weather data for Hainantun 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) | 8.6 | 8.9 | 20.3 | 21.9 | 29.9 | 30.9 | 33.3 | 33.3 | 30.7 | 25.1 | 25.8 | 15.4 |
| Average daytime temperature (°C) | 0.9 | 3.0 | 11.0 | 15.7 | 22.1 | 26.4 | 28.6 | 28.5 | 26.7 | 21.0 | 9.0 | 0.6 |
| Average temperature (°C) | -2.7 | -0.3 | 6.2 | 11.3 | 17.6 | 22.2 | 25.4 | 25.2 | 22.5 | 16.4 | 5.7 | -2.4 |
| Average night temperature (°C) | -6.1 | -3.1 | 2.3 | 7.9 | 14.0 | 18.5 | 22.7 | 22.3 | 18.6 | 12.6 | 2.1 | -5.8 |
| Absolute minimum temperature (°C) | -14.3 | -6.2 | -4.2 | 4.3 | 10.6 | 15.3 | 20.1 | 17.5 | 13.8 | 7.9 | -5.8 | -13.1 |
| 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 | 9.9 | 9.0 | 8.8 | 11.1 | 9.0 | 9.6 | 9.6 | 8.6 | 5.6 | 5.6 |
| Precipitation (mm) | 5 | 4 | 6 | 64 | 59 | 111 | 161 | 125 | 28 | 21 | 36 | 31 |
| Sunny days | 27 | 25 | 27 | 23 | 22 | 17 | 16 | 15 | 21 | 24 | 19 | 16 |
| Rainy days | 2 | 2 | 4 | 7 | 9 | 13 | 15 | 16 | 9 | 7 | 8 | 4 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 11 |
The best time to visit Hainantun during the most sunny months:
The largest precipitation sum in Hainantun is at