Average annual temperature is 11.7 °C
Absolute maximum temperature: 39.9 °C
Absolute minimum temperature: -12.6 °C
Number of sunny days: 188 days
Number of rainy days: 177 days
Look at detailed online map of Dewey (historical)
* Weather data for Dewey (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) | 12.3 | 11.7 | 16.8 | 28.3 | 31.2 | 32.1 | 36.2 | 39.9 | 32.1 | 26.3 | 17.2 | 14.6 |
| Average daytime temperature (°C) | 8.3 | 7.9 | 10.2 | 13.7 | 23.4 | 26.5 | 30.9 | 31.4 | 23.8 | 17.9 | 11.2 | 9.6 |
| Average temperature (°C) | 4.4 | 3.2 | 4.9 | 8.3 | 15.5 | 17.4 | 21.2 | 22.3 | 16.6 | 12.2 | 7.1 | 6.2 |
| Average night temperature (°C) | 1.6 | -0.1 | 1.5 | 4.3 | 9.3 | 10.5 | 13.3 | 15.1 | 11.2 | 8.4 | 4.2 | 4.0 |
| Absolute minimum temperature (°C) | -4.7 | -12.6 | -3.8 | -2.2 | 5.3 | 6.4 | 9.9 | 9.9 | 7.3 | 1.5 | -3.3 | -1.2 |
| 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 | 8.0 |
| Daylight mean duration (h) | 9.2 | 10.4 | 11.9 | 13.5 | 14.9 | 15.6 | 15.3 | 14.1 | 12.5 | 11.0 | 9.5 | 8.8 |
| 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) | 3.6 | 5.1 | 6.2 | 6.7 | 11.6 | 13.3 | 13.7 | 12.0 | 9.1 | 7.0 | 5.3 | 3.2 |
| Precipitation (mm) | 144 | 91 | 130 | 175 | 12 | 11 | 1 | 25 | 74 | 79 | 131 | 275 |
| Sunny days | 10 | 12 | 3 | 7 | 22 | 23 | 29 | 23 | 16 | 19 | 15 | 9 |
| Rainy days | 21 | 16 | 28 | 23 | 9 | 7 | 2 | 8 | 14 | 12 | 15 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Dewey (historical) during the most sunny months:
Months with the longest average daylight duration in Dewey (historical):
The largest precipitation sum in Dewey (historical) is at