Average annual temperature is 12.6 °C
Absolute maximum temperature: 28.7 °C
Absolute minimum temperature: -7.9 °C
Number of sunny days: 62 days
Number of rainy days: 288 days
Number of snow days: 15 days
Look at detailed online map of Jiayan
* Weather data for Jiayan 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) | 17.5 | 22.2 | 24.2 | 28.0 | 28.7 | 28.4 | 28.7 | 26.7 | 28.1 | 25.9 | 23.0 | 21.6 |
| Average daytime temperature (°C) | 6.6 | 11.2 | 13.9 | 19.6 | 21.9 | 21.8 | 24.4 | 23.6 | 23.2 | 17.3 | 15.9 | 11.2 |
| Average temperature (°C) | 1.8 | 5.7 | 9.1 | 13.6 | 16.6 | 17.6 | 20.0 | 19.3 | 18.2 | 13.3 | 10.8 | 5.5 |
| Average night temperature (°C) | -2.0 | 1.7 | 5.0 | 9.3 | 12.9 | 14.4 | 16.5 | 15.9 | 14.5 | 10.0 | 7.3 | 1.5 |
| Absolute minimum temperature (°C) | -7.9 | -2.0 | -3.0 | 2.9 | 7.6 | 11.5 | 13.5 | 11.4 | 11.4 | 5.1 | 1.4 | -7.4 |
| 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) | 10.7 | 11.2 | 12.0 | 12.8 | 13.5 | 13.8 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.5 |
| 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) | 5.2 | 4.5 | 5.6 | 8.4 | 7.9 | 6.4 | 8.6 | 9.7 | 9.6 | 5.6 | 7.0 | 5.9 |
| Precipitation (mm) | 24 | 70 | 155 | 97 | 255 | 257 | 286 | 176 | 159 | 189 | 65 | 26 |
| Sunny days | 13 | 0 | 5 | 3 | 6 | 3 | 2 | 2 | 5 | 6 | 6 | 11 |
| Rainy days | 6 | 25 | 26 | 27 | 25 | 27 | 29 | 29 | 25 | 25 | 24 | 20 |
| Snow days | 12 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Jiayan during the most sunny months:
The largest precipitation sum in Jiayan is at