Average annual temperature is 11.0 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -16.3 °C
Number of sunny days: 156 days
Number of rainy days: 192 days
Number of snow days: 17 days
Look at detailed online map of Dayton
* Weather data for Dayton 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) | 15.4 | 12.6 | 18.6 | 26.1 | 32.2 | 33.3 | 32.2 | 35.2 | 32.0 | 28.8 | 18.8 | 13.3 |
| Average daytime temperature (°C) | 3.8 | 5.6 | 7.3 | 16.2 | 21.8 | 26.6 | 27.6 | 26.5 | 24.2 | 16.6 | 10.0 | 6.7 |
| Average temperature (°C) | 0.4 | 0.5 | 2.4 | 9.5 | 15.4 | 20.0 | 22.0 | 21.1 | 18.8 | 12.5 | 5.2 | 3.7 |
| Average night temperature (°C) | -2.1 | -3.3 | -1.0 | 4.4 | 9.7 | 14.6 | 17.4 | 16.7 | 14.5 | 9.3 | 1.7 | 1.4 |
| Absolute minimum temperature (°C) | -14.3 | -16.3 | -8.6 | -4.8 | 1.4 | 9.0 | 13.0 | 10.6 | 8.5 | -3.5 | -8.5 | -4.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 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) | 9.5 | 10.6 | 11.9 | 13.3 | 14.5 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.0 | 7.2 | 5.9 | 9.1 | 10.3 | 11.6 | 12.2 | 10.7 | 9.0 | 6.1 | 6.3 | 3.4 |
| Precipitation (mm) | 83 | 108 | 140 | 113 | 77 | 62 | 144 | 131 | 58 | 157 | 37 | 70 |
| Sunny days | 11 | 15 | 10 | 13 | 17 | 16 | 10 | 13 | 14 | 7 | 20 | 10 |
| Rainy days | 13 | 10 | 18 | 17 | 14 | 14 | 21 | 18 | 16 | 23 | 8 | 20 |
| Snow days | 7 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 |
The best time to visit Dayton during the most sunny months:
The largest precipitation sum in Dayton is at