Average annual temperature is 8.9 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: -21.5 °C
Number of sunny days: 249 days
Number of rainy days: 100 days
Number of snow days: 16 days
Look at detailed online map of Jianshanwan
* Weather data for Jianshanwan 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) | 8.3 | 8.5 | 18.7 | 26.8 | 28.4 | 30.6 | 32.4 | 31.9 | 29.8 | 19.7 | 20.1 | 10.5 |
| Average daytime temperature (°C) | -1.3 | 2.4 | 12.0 | 12.6 | 19.3 | 26.1 | 27.6 | 26.4 | 21.6 | 15.3 | 5.9 | -0.1 |
| Average temperature (°C) | -6.3 | -2.2 | 5.7 | 7.7 | 14.2 | 20.4 | 22.1 | 21.2 | 16.6 | 10.4 | 1.2 | -4.5 |
| Average night temperature (°C) | -11.2 | -6.9 | -0.3 | 3.0 | 9.7 | 14.7 | 16.8 | 16.4 | 12.5 | 6.4 | -3.4 | -8.6 |
| Absolute minimum temperature (°C) | -21.5 | -14.6 | -8.6 | -6.9 | 3.1 | 9.8 | 12.1 | 9.4 | 8.0 | 2.3 | -10.6 | -19.6 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 8.1 | 7.6 | 9.5 | 8.1 | 7.3 | 10.5 | 10.2 | 9.6 | 7.9 | 7.9 | 8.1 | 7.7 |
| Precipitation (mm) | 0 | 14 | 2 | 53 | 44 | 45 | 41 | 42 | 40 | 33 | 4 | 4 |
| Sunny days | 30 | 20 | 26 | 13 | 14 | 23 | 19 | 13 | 16 | 23 | 26 | 26 |
| Rainy days | 0 | 2 | 4 | 15 | 17 | 7 | 12 | 18 | 14 | 8 | 1 | 2 |
| Snow days | 1 | 6 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 |
The largest precipitation sum in Jianshanwan is at