Average annual temperature is 7.7 °C
Absolute maximum temperature: 23.0 °C
Absolute minimum temperature: -11.5 °C
Number of sunny days: 132 days
Number of rainy days: 207 days
Number of snow days: 26 days
Look at detailed online map of Napa
* Weather data for Napa 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) | 12.5 | 11.3 | 10.8 | 17.8 | 22.0 | 23.0 | 20.3 | 19.8 | 18.2 | 17.9 | 12.7 | 9.7 |
| Average daytime temperature (°C) | 7.0 | 6.5 | 8.7 | 12.1 | 14.5 | 17.5 | 18.0 | 17.3 | 16.9 | 13.4 | 9.4 | 5.8 |
| Average temperature (°C) | 1.4 | 1.7 | 3.3 | 6.5 | 9.4 | 13.0 | 13.9 | 13.7 | 12.9 | 9.2 | 4.9 | 1.7 |
| Average night temperature (°C) | -4.4 | -3.0 | -1.7 | 1.1 | 4.8 | 9.2 | 10.8 | 10.8 | 9.1 | 5.3 | 0.2 | -3.3 |
| Absolute minimum temperature (°C) | -11.5 | -9.3 | -6.3 | -1.6 | 1.3 | 5.5 | 8.3 | 7.6 | 5.0 | 1.4 | -7.5 | -10.3 |
| 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 | 12.8 | 13.5 | 13.9 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 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) | 9.1 | 8.9 | 10.0 | 10.6 | 10.5 | 9.4 | 9.8 | 8.4 | 10.1 | 9.6 | 9.1 | 8.5 |
| Precipitation (mm) | 2 | 45 | 64 | 53 | 85 | 133 | 156 | 207 | 79 | 41 | 32 | 36 |
| Sunny days | 28 | 11 | 6 | 10 | 9 | 5 | 0 | 0 | 2 | 14 | 24 | 23 |
| Rainy days | 0 | 3 | 19 | 20 | 22 | 25 | 31 | 31 | 28 | 17 | 5 | 6 |
| Snow days | 3 | 14 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The largest precipitation sum in Napa is at