Average annual temperature is 9.0 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: -26.6 °C
Number of sunny days: 188 days
Number of rainy days: 146 days
Number of snow days: 31 days
Look at detailed online map of Township of Castle Rock
* Weather data for Township of Castle Rock 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) | 2.7 | 6.0 | 12.0 | 26.5 | 31.6 | 32.5 | 32.8 | 35.6 | 35.4 | 29.2 | 18.4 | 11.4 |
| Average daytime temperature (°C) | -3.3 | -1.1 | 3.1 | 12.3 | 22.7 | 28.6 | 27.8 | 28.1 | 25.2 | 14.8 | 7.8 | 4.5 |
| Average temperature (°C) | -6.8 | -6.3 | -2.1 | 6.4 | 16.4 | 22.3 | 21.8 | 22.2 | 19.6 | 10.3 | 2.7 | 0.4 |
| Average night temperature (°C) | -9.9 | -10.7 | -6.5 | 2.0 | 10.5 | 16.3 | 16.0 | 17.3 | 15.0 | 6.7 | -1.2 | -2.6 |
| Absolute minimum temperature (°C) | -23.8 | -26.6 | -17.7 | -7.1 | -0.7 | 9.5 | 11.9 | 11.4 | 6.2 | -5.7 | -14.4 | -9.8 |
| 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) | 9.3 | 10.4 | 11.9 | 13.5 | 14.8 | 15.5 | 15.2 | 14.0 | 12.5 | 11.0 | 9.6 | 8.9 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 3.8 | 6.9 | 7.1 | 7.8 | 11.1 | 12.6 | 12.2 | 11.4 | 9.0 | 7.1 | 5.9 | 4.7 |
| Precipitation (mm) | 59 | 71 | 55 | 121 | 100 | 83 | 130 | 62 | 147 | 90 | 8 | 65 |
| Sunny days | 19 | 18 | 15 | 11 | 18 | 13 | 10 | 18 | 11 | 15 | 21 | 19 |
| Rainy days | 5 | 6 | 5 | 17 | 13 | 17 | 21 | 13 | 19 | 13 | 7 | 10 |
| Snow days | 7 | 4 | 11 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 2 |
The best time to visit Township of Castle Rock during the most sunny months:
Months with the longest average daylight duration in Township of Castle Rock:
The largest precipitation sum in Township of Castle Rock is at