Average annual temperature is 17.9 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -2.7 °C
Number of sunny days: 128 days
Number of rainy days: 234 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) | 20.0 | 15.9 | 24.4 | 28.5 | 32.2 | 33.3 | 34.4 | 35.2 | 35.0 | 28.3 | 25.9 | 20.6 |
| Average daytime temperature (°C) | 11.2 | 10.6 | 17.5 | 21.9 | 25.9 | 28.8 | 31.8 | 31.6 | 28.9 | 22.9 | 18.0 | 11.3 |
| Average temperature (°C) | 6.9 | 7.7 | 13.3 | 17.8 | 21.9 | 25.1 | 28.1 | 27.7 | 24.9 | 19.1 | 13.8 | 7.5 |
| Average night temperature (°C) | 2.1 | 4.9 | 9.0 | 14.1 | 18.5 | 21.8 | 25.0 | 24.2 | 21.6 | 15.8 | 10.0 | 3.7 |
| Absolute minimum temperature (°C) | -2.4 | 0.4 | 4.8 | 7.1 | 12.3 | 17.1 | 23.2 | 18.5 | 17.4 | 12.3 | 4.1 | -2.7 |
| 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 | 12.9 | 13.6 | 13.9 | 13.8 | 13.1 | 12.3 | 11.5 | 10.7 | 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) | 5.4 | 2.8 | 5.2 | 6.3 | 6.5 | 6.8 | 9.0 | 9.6 | 7.8 | 5.8 | 5.9 | 5.4 |
| Precipitation (mm) | 27 | 80 | 152 | 281 | 302 | 268 | 207 | 155 | 64 | 72 | 62 | 51 |
| Sunny days | 20 | 8 | 9 | 8 | 5 | 7 | 3 | 10 | 12 | 14 | 16 | 16 |
| Rainy days | 9 | 20 | 22 | 22 | 26 | 23 | 28 | 21 | 18 | 17 | 14 | 14 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Jiayan during the most sunny months:
The largest precipitation sum in Jiayan is at