Average annual temperature is 12.1 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: -22.2 °C
Number of sunny days: 199 days
Number of rainy days: 148 days
Number of snow days: 18 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) | 12.4 | 12.6 | 22.1 | 25.5 | 32.5 | 34.2 | 35.0 | 36.2 | 33.2 | 29.2 | 18.7 | 14.9 |
| Average daytime temperature (°C) | 3.1 | 5.9 | 8.7 | 17.5 | 24.9 | 29.6 | 29.1 | 28.7 | 25.7 | 17.8 | 10.3 | 7.2 |
| Average temperature (°C) | -1.2 | 0.2 | 3.3 | 10.7 | 18.3 | 23.2 | 23.8 | 23.4 | 20.3 | 13.3 | 5.4 | 3.2 |
| Average night temperature (°C) | -4.2 | -4.2 | -0.5 | 5.3 | 12.1 | 17.1 | 18.7 | 18.9 | 15.9 | 9.5 | 1.5 | 0.7 |
| Absolute minimum temperature (°C) | -22.2 | -18.7 | -11.8 | -1.3 | 3.2 | 9.9 | 13.7 | 11.4 | 10.3 | -2.2 | -11.2 | -7.8 |
| 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) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| 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) | 3.9 | 7.2 | 6.7 | 9.2 | 11.4 | 12.5 | 12.5 | 11.1 | 9.7 | 7.5 | 7.2 | 4.1 |
| Precipitation (mm) | 68 | 82 | 79 | 55 | 55 | 43 | 102 | 64 | 94 | 106 | 22 | 67 |
| Sunny days | 12 | 15 | 16 | 16 | 22 | 20 | 16 | 13 | 14 | 17 | 22 | 16 |
| Rainy days | 9 | 10 | 14 | 14 | 9 | 10 | 15 | 18 | 16 | 13 | 6 | 14 |
| Snow days | 10 | 3 | 1 | 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