Average annual temperature is 12.1 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: -10.6 °C
Number of sunny days: 162 days
Number of rainy days: 187 days
Number of snow days: 16 days
Look at detailed online map of Dennison
* Weather data for Dennison 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) | 15.3 | 21.3 | 20.1 | 27.3 | 30.1 | 32.7 | 33.1 | 32.6 | 32.7 | 28.1 | 19.0 | 15.9 |
| Average daytime temperature (°C) | 7.1 | 11.0 | 10.2 | 18.1 | 22.1 | 25.9 | 29.3 | 27.6 | 24.8 | 18.2 | 11.2 | 8.7 |
| Average temperature (°C) | 2.9 | 3.9 | 4.4 | 11.3 | 15.3 | 19.7 | 23.2 | 21.5 | 19.0 | 13.2 | 5.8 | 4.7 |
| Average night temperature (°C) | -0.2 | -0.9 | 0.0 | 5.5 | 9.4 | 14.2 | 18.3 | 16.6 | 14.1 | 9.2 | 1.8 | 1.7 |
| Absolute minimum temperature (°C) | -6.6 | -10.6 | -7.4 | -1.8 | 1.9 | 8.9 | 13.6 | 11.2 | 8.6 | 0.0 | -7.2 | -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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.3 |
| 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) | 2.9 | 6.5 | 6.7 | 9.0 | 10.5 | 10.8 | 11.6 | 10.9 | 8.7 | 7.2 | 6.7 | 4.2 |
| Precipitation (mm) | 149 | 54 | 132 | 82 | 77 | 129 | 100 | 89 | 54 | 74 | 45 | 62 |
| Sunny days | 8 | 14 | 11 | 14 | 19 | 15 | 5 | 12 | 16 | 16 | 19 | 13 |
| Rainy days | 16 | 12 | 15 | 16 | 12 | 15 | 26 | 19 | 14 | 15 | 10 | 17 |
| Snow days | 7 | 2 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Dennison during the most sunny months:
The largest precipitation sum in Dennison is at