Average annual temperature is 17.1 °C
Absolute maximum temperature: 32.6 °C
Absolute minimum temperature: -3.9 °C
Number of sunny days: 87 days
Number of rainy days: 275 days
Number of snow days: 3 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) | 23.9 | 18.4 | 23.6 | 29.0 | 31.2 | 30.6 | 32.6 | 31.3 | 31.4 | 30.4 | 26.7 | 24.2 |
| Average daytime temperature (°C) | 11.6 | 11.4 | 17.0 | 22.2 | 25.5 | 27.8 | 30.1 | 28.8 | 28.4 | 22.9 | 18.6 | 12.7 |
| Average temperature (°C) | 6.7 | 7.7 | 12.7 | 17.5 | 21.3 | 23.8 | 26.1 | 24.7 | 23.7 | 18.4 | 14.1 | 8.5 |
| Average night temperature (°C) | 2.0 | 4.2 | 8.3 | 13.3 | 17.5 | 20.7 | 22.9 | 21.2 | 20.0 | 14.6 | 9.9 | 4.2 |
| Absolute minimum temperature (°C) | -2.5 | -1.0 | 4.1 | 6.7 | 10.4 | 17.3 | 19.5 | 16.2 | 16.3 | 9.6 | 3.6 | -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) | 10.7 | 11.3 | 12.0 | 12.8 | 13.5 | 13.8 | 13.6 | 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) | 4.8 | 2.7 | 4.3 | 6.3 | 6.7 | 7.7 | 8.8 | 9.3 | 8.8 | 6.1 | 5.3 | 4.7 |
| Precipitation (mm) | 16 | 73 | 158 | 199 | 207 | 223 | 177 | 262 | 74 | 52 | 195 | 35 |
| Sunny days | 18 | 4 | 4 | 7 | 2 | 5 | 4 | 3 | 7 | 9 | 10 | 14 |
| Rainy days | 11 | 23 | 27 | 23 | 29 | 25 | 27 | 28 | 23 | 22 | 20 | 17 |
| Snow days | 2 | 1 | 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