Average annual temperature is 13.9 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: -9.9 °C
Number of sunny days: 177 days
Number of rainy days: 188 days
Look at detailed online map of Washington Grove
* Weather data for Washington Grove United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 17.3 | 22.4 | 24.5 | 29.2 | 28.3 | 33.8 | 36.9 | 33.9 | 36.9 | 27.6 | 23.1 | 15.7 |
| Average daytime temperature (°C) | 9.2 | 11.2 | 12.4 | 21.2 | 22.6 | 27.3 | 31.3 | 29.8 | 25.9 | 20.5 | 12.8 | 9.8 |
| Average temperature (°C) | 5.2 | 5.8 | 6.6 | 14.5 | 16.2 | 20.9 | 25.1 | 24.0 | 20.6 | 14.9 | 7.3 | 5.5 |
| Average night temperature (°C) | 2.0 | 1.5 | 1.6 | 9.1 | 10.2 | 15.4 | 20.4 | 19.5 | 16.1 | 10.6 | 3.2 | 2.3 |
| Absolute minimum temperature (°C) | -3.0 | -9.9 | -5.5 | 0.6 | 4.3 | 10.8 | 17.8 | 15.6 | 10.3 | 5.1 | -5.6 | -3.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.1 | 6.4 | 7.4 | 9.4 | 10.8 | 10.7 | 11.8 | 10.8 | 8.5 | 8.6 | 7.7 | 5.4 |
| Precipitation (mm) | 73 | 55 | 76 | 100 | 35 | 135 | 114 | 57 | 143 | 34 | 67 | 158 |
| Sunny days | 13 | 16 | 15 | 17 | 14 | 12 | 5 | 11 | 14 | 17 | 24 | 19 |
| Rainy days | 18 | 12 | 16 | 13 | 17 | 18 | 26 | 20 | 16 | 14 | 6 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Washington Grove during the most sunny months:
The largest precipitation sum in Washington Grove is at