Average annual temperature is 19.3 °C
Absolute maximum temperature: 38.2 °C
Absolute minimum temperature: -3.9 °C
Number of sunny days: 149 days
Number of rainy days: 215 days
Number of snow days: 1 day
Look at detailed online map of Jianwan
* Weather data for Jianwan 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) | 23.7 | 21.7 | 26.6 | 31.1 | 35.3 | 33.3 | 38.2 | 36.8 | 33.9 | 30.2 | 30.2 | 25.9 |
| Average daytime temperature (°C) | 12.2 | 13.1 | 19.2 | 23.6 | 27.6 | 30.4 | 34.2 | 32.3 | 30.5 | 25.0 | 20.1 | 13.2 |
| Average temperature (°C) | 7.8 | 9.3 | 14.5 | 19.3 | 23.7 | 26.7 | 30.2 | 28.3 | 26.6 | 20.7 | 15.0 | 8.5 |
| Average night temperature (°C) | 3.3 | 5.9 | 10.5 | 15.6 | 20.3 | 23.9 | 27.2 | 25.1 | 23.4 | 17.1 | 10.7 | 4.5 |
| Absolute minimum temperature (°C) | -3.0 | 1.1 | 4.9 | 8.7 | 14.4 | 20.8 | 24.5 | 21.4 | 20.1 | 10.7 | 4.4 | -3.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 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) | 10.6 | 11.2 | 12.0 | 12.8 | 13.5 | 13.9 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.4 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.5 | 4.4 | 5.6 | 6.3 | 7.7 | 6.5 | 10.4 | 9.9 | 7.9 | 6.3 | 7.7 | 6.0 |
| Precipitation (mm) | 45 | 125 | 149 | 224 | 203 | 301 | 137 | 200 | 62 | 64 | 85 | 26 |
| Sunny days | 20 | 12 | 9 | 6 | 9 | 8 | 5 | 6 | 10 | 19 | 22 | 23 |
| Rainy days | 10 | 16 | 22 | 24 | 22 | 22 | 26 | 25 | 20 | 12 | 8 | 8 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Jianwan during the most sunny months:
The largest precipitation sum in Jianwan is at