Average annual temperature is 10.7 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: -26.6 °C
Number of sunny days: 200 days
Number of rainy days: 142 days
Number of snow days: 23 days
Look at detailed online map of Castle Grove
* Weather data for Castle 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) | 9.5 | 10.3 | 20.5 | 25.4 | 31.1 | 32.7 | 33.3 | 37.3 | 33.9 | 30.0 | 17.2 | 12.8 |
| Average daytime temperature (°C) | 0.3 | 3.1 | 7.0 | 15.9 | 23.6 | 28.2 | 28.0 | 28.1 | 25.3 | 16.6 | 9.1 | 5.8 |
| Average temperature (°C) | -3.7 | -2.3 | 1.6 | 9.3 | 17.0 | 22.2 | 22.7 | 22.9 | 19.7 | 12.1 | 4.1 | 1.6 |
| Average night temperature (°C) | -6.8 | -6.7 | -2.5 | 4.0 | 10.8 | 16.3 | 17.4 | 18.1 | 15.0 | 8.1 | 0.4 | -1.1 |
| Absolute minimum temperature (°C) | -26.6 | -23.4 | -13.9 | -3.8 | 2.0 | 8.9 | 12.0 | 11.3 | 9.5 | -4.5 | -13.3 | -8.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.2 | 7.2 | 6.6 | 9.1 | 12.1 | 12.5 | 12.4 | 11.5 | 9.6 | 7.1 | 7.2 | 4.5 |
| Precipitation (mm) | 70 | 74 | 89 | 84 | 61 | 25 | 79 | 65 | 65 | 123 | 25 | 46 |
| Sunny days | 16 | 16 | 15 | 16 | 23 | 16 | 15 | 16 | 12 | 18 | 22 | 15 |
| Rainy days | 8 | 9 | 11 | 13 | 8 | 14 | 16 | 15 | 18 | 13 | 6 | 11 |
| Snow days | 7 | 3 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 |
The best time to visit Castle Grove during the most sunny months:
The largest precipitation sum in Castle Grove is at