Average annual temperature is 18.4 °C
Absolute maximum temperature: 30.9 °C
Absolute minimum temperature: 4.7 °C
Number of sunny days: 110 days
Number of rainy days: 255 days
Look at detailed online map of Henan
* Weather data for Henan 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) | 23.6 | 24.5 | 26.4 | 30.3 | 30.9 | 30.1 | 27.8 | 26.8 | 26.4 | 25.5 | 24.0 | 21.9 |
| Average daytime temperature (°C) | 19.3 | 21.4 | 23.3 | 27.1 | 26.2 | 25.7 | 25.7 | 24.7 | 24.9 | 23.0 | 21.2 | 18.7 |
| Average temperature (°C) | 13.3 | 15.8 | 17.6 | 21.2 | 21.1 | 20.9 | 21.1 | 20.4 | 20.3 | 18.4 | 16.2 | 14.1 |
| Average night temperature (°C) | 7.4 | 10.4 | 12.4 | 15.8 | 16.8 | 17.5 | 17.9 | 17.6 | 16.9 | 15.0 | 12.5 | 10.6 |
| Absolute minimum temperature (°C) | 4.7 | 7.9 | 9.2 | 12.0 | 14.3 | 15.8 | 16.8 | 16.0 | 15.5 | 13.0 | 9.7 | 6.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.9 | 11.4 | 12.0 | 12.7 | 13.3 | 13.5 | 13.4 | 12.9 | 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) | 9.9 | 10.0 | 10.5 | 11.3 | 11.2 | 10.6 | 9.7 | 8.0 | 9.8 | 9.2 | 9.0 | 8.2 |
| Precipitation (mm) | 0 | 27 | 30 | 19 | 152 | 294 | 266 | 313 | 259 | 203 | 30 | 46 |
| Sunny days | 29 | 17 | 15 | 20 | 5 | 0 | 0 | 0 | 0 | 1 | 14 | 9 |
| Rainy days | 2 | 11 | 16 | 10 | 26 | 30 | 31 | 31 | 30 | 30 | 16 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Henan is at