Average annual temperature is 19.7 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: 2.4 °C
Number of sunny days: 152 days
Number of rainy days: 213 days
Look at detailed online map of Haiyou
* Weather data for Haiyou 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) | 24.5 | 26.7 | 28.9 | 34.5 | 35.8 | 35.6 | 30.9 | 28.9 | 29.6 | 29.6 | 27.7 | 24.7 |
| Average daytime temperature (°C) | 17.8 | 21.6 | 24.4 | 29.9 | 30.2 | 28.6 | 28.7 | 26.6 | 27.3 | 25.1 | 22.8 | 20.2 |
| Average temperature (°C) | 11.7 | 15.7 | 18.2 | 23.3 | 24.3 | 23.5 | 23.7 | 22.1 | 22.1 | 19.8 | 17.1 | 14.4 |
| Average night temperature (°C) | 5.7 | 10.3 | 12.1 | 16.6 | 18.6 | 19.2 | 19.3 | 18.7 | 17.5 | 15.2 | 12.1 | 9.2 |
| Absolute minimum temperature (°C) | 2.4 | 7.4 | 8.5 | 12.9 | 15.2 | 16.1 | 16.4 | 16.3 | 15.2 | 12.2 | 9.3 | 2.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.8 | 11.4 | 12.0 | 12.7 | 13.3 | 13.6 | 13.5 | 13.0 | 12.3 | 11.6 | 11.0 | 10.7 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.7 | 8.5 | 9.4 | 11.3 | 10.8 | 9.9 | 10.7 | 9.0 | 10.6 | 8.3 | 8.1 | 8.2 |
| Precipitation (mm) | 4 | 18 | 18 | 12 | 62 | 213 | 132 | 384 | 53 | 39 | 21 | 16 |
| Sunny days | 22 | 18 | 15 | 22 | 15 | 3 | 3 | 1 | 2 | 12 | 21 | 18 |
| Rainy days | 9 | 10 | 16 | 8 | 16 | 27 | 28 | 30 | 28 | 19 | 9 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Haiyou is at