Average annual temperature is 16.2 °C
Absolute maximum temperature: 31.4 °C
Absolute minimum temperature: -4.9 °C
Number of sunny days: 92 days
Number of rainy days: 272 days
Number of snow days: 1 day
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) | 22.5 | 17.1 | 25.5 | 27.5 | 29.8 | 29.5 | 31.4 | 30.7 | 30.2 | 30.1 | 26.3 | 23.6 |
| Average daytime temperature (°C) | 10.9 | 10.7 | 16.2 | 21.1 | 24.4 | 26.7 | 29.0 | 27.4 | 27.3 | 22.5 | 17.9 | 12.1 |
| Average temperature (°C) | 5.9 | 7.1 | 11.9 | 16.6 | 20.3 | 22.7 | 24.8 | 23.3 | 22.7 | 17.7 | 13.3 | 7.7 |
| Average night temperature (°C) | 1.3 | 3.4 | 7.7 | 12.3 | 16.5 | 19.6 | 21.6 | 20.1 | 18.9 | 13.8 | 8.9 | 3.3 |
| Absolute minimum temperature (°C) | -4.6 | -1.4 | 2.5 | 6.0 | 9.9 | 16.4 | 18.4 | 15.8 | 15.5 | 9.1 | 2.6 | -4.9 |
| 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) | 10.7 | 11.3 | 12.0 | 12.8 | 13.4 | 13.8 | 13.6 | 13.1 | 12.3 | 11.5 | 10.9 | 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 | 2.9 | 4.2 | 6.9 | 7.2 | 8.1 | 9.5 | 9.3 | 9.1 | 6.7 | 5.4 | 5.1 |
| Precipitation (mm) | 19 | 87 | 137 | 127 | 197 | 222 | 175 | 206 | 64 | 52 | 73 | 43 |
| Sunny days | 20 | 6 | 6 | 4 | 3 | 5 | 3 | 2 | 8 | 10 | 10 | 15 |
| Rainy days | 10 | 22 | 25 | 26 | 28 | 25 | 28 | 29 | 22 | 21 | 20 | 16 |
| Snow days | 1 | 0 | 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