Average annual temperature is 19.5 °C
Absolute maximum temperature: 37.4 °C
Absolute minimum temperature: -2 °C
Number of sunny days: 172
Number of rainy days: 193
Number of snow days:
Average annual precipitation: 1253 mm
Look at detailed online map of Mount Vernon
* Weather data for Mount Vernon United States is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | Maggio | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 24.1 | 28 | 30.9 | 32.3 | 32.2 | 35 | 37.3 | 37.4 | 33.8 | 29.2 | 25.8 | 23.8 |
| Average daytime temperature (°C) | 18.1 | 21.4 | 23.3 | 26.3 | 27.9 | 31.5 | 34.7 | 34.2 | 29.6 | 24.4 | 19.3 | 16.2 |
| Average temperature (°C) | 11.9 | 15.4 | 16.5 | 19.4 | 21.6 | 25.3 | 28.2 | 28 | 23.9 | 18.8 | 13.8 | 11.1 |
| Average night temperature (°C) | 7.2 | 11 | 11 | 13.8 | 16.5 | 20.3 | 23.3 | 23.2 | 19.5 | 14.2 | 10.1 | 7.3 |
| Absolute minimum temperature (°C) | -2 | 0.6 | -0.2 | 7.6 | 8.6 | 16.9 | 21.4 | 20.9 | 15.6 | 7.8 | 0.9 | -0.1 |
| Jan | Feb | Mar | Apr | Maggio | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.6 | 11.5 | 12.5 | 13.4 | 14.1 | 14.3 | 14.2 | 13.7 | 12.8 | 11.9 | 10.9 | 10.2 |
| Daylight mean duration (h) | 10.3 | 11.1 | 12 | 13 | 13.8 | 14.2 | 14 | 13.3 | 12.4 | 11.4 | 10.5 | 10.1 |
| Daylight minimum duration (h) | 10.1 | 10.7 | 11.5 | 12.5 | 13.4 | 14.1 | 13.7 | 12.9 | 11.9 | 10.9 | 10.2 | 10 |
| Sunshine mean duration (h) | 7 | 8.2 | 8.7 | 10 | 10.2 | 10.7 | 11.4 | 11.4 | 10.2 | 9.5 | 7.5 | 6.9 |
| Precipitation (mm) | 139 | 116 | 76 | 85 | 73 | 129 | 129 | 163 | 70 | 60 | 61 | 152 |
| Sunny days | 16 | 15 | 13 | 14 | 10 | 8 | 5 | 7 | 16 | 25 | 21 | 22 |
| Rainy days | 15 | 13 | 18 | 16 | 21 | 22 | 26 | 24 | 14 | 6 | 9 | 9 |
The largest precipitation sum in Mount Vernon is at