Average annual temperature is 13.8 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: -10.0 °C
Number of sunny days: 183 days
Number of rainy days: 179 days
Number of snow days: 3 days
Look at detailed online map of Retreat Grove (historical)
* Weather data for Retreat Grove (historical) 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) | 16.1 | 22.0 | 23.9 | 30.7 | 28.8 | 34.2 | 36.8 | 33.9 | 36.4 | 27.6 | 23.3 | 16.6 |
| Average daytime temperature (°C) | 8.9 | 11.1 | 12.1 | 21.2 | 23.2 | 27.7 | 32.1 | 30.2 | 26.3 | 20.4 | 12.7 | 9.6 |
| Average temperature (°C) | 4.9 | 5.5 | 6.2 | 14.3 | 16.4 | 21.0 | 25.5 | 24.1 | 20.5 | 14.7 | 6.9 | 5.1 |
| Average night temperature (°C) | 1.8 | 1.0 | 1.3 | 8.4 | 10.3 | 15.3 | 20.2 | 19.0 | 15.6 | 10.1 | 2.3 | 1.5 |
| Absolute minimum temperature (°C) | -2.8 | -10.0 | -5.8 | 1.4 | 4.9 | 11.2 | 17.1 | 13.4 | 9.9 | 3.6 | -5.4 | -4.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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) | 4.9 | 7.0 | 7.4 | 9.4 | 10.4 | 10.6 | 11.6 | 10.8 | 8.5 | 8.1 | 7.7 | 4.9 |
| Precipitation (mm) | 65 | 53 | 77 | 119 | 37 | 133 | 118 | 52 | 119 | 45 | 63 | 131 |
| Sunny days | 12 | 17 | 14 | 17 | 17 | 13 | 5 | 11 | 16 | 18 | 23 | 20 |
| Rainy days | 19 | 10 | 16 | 13 | 14 | 17 | 26 | 20 | 14 | 13 | 6 | 11 |
| Snow days | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Retreat Grove (historical) during the most sunny months:
The largest precipitation sum in Retreat Grove (historical) is at