Average annual temperature is 13.4 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -13.8 °C
Number of sunny days: 180 days
Number of rainy days: 179 days
Number of snow days: 6 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) | 18.3 | 18.9 | 16.7 | 30.5 | 30.0 | 34.5 | 34.9 | 31.6 | 35.5 | 28.1 | 20.5 | 16.8 |
| Average daytime temperature (°C) | 9.1 | 9.3 | 11.2 | 19.3 | 22.7 | 27.1 | 30.9 | 28.6 | 25.0 | 20.1 | 11.9 | 9.4 |
| Average temperature (°C) | 5.2 | 4.1 | 5.6 | 13.2 | 16.1 | 20.6 | 25.0 | 23.3 | 20.1 | 14.7 | 6.7 | 5.3 |
| Average night temperature (°C) | 1.7 | -0.5 | 0.8 | 8.0 | 9.9 | 15.3 | 20.1 | 18.9 | 16.0 | 10.4 | 2.4 | 1.8 |
| Absolute minimum temperature (°C) | -4.2 | -13.8 | -4.1 | 0.5 | 3.3 | 10.0 | 16.4 | 15.3 | 9.9 | 5.0 | -4.5 | -5.3 |
| 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) | 4.8 | 6.9 | 7.4 | 8.7 | 11.6 | 10.3 | 11.6 | 10.4 | 8.0 | 8.1 | 7.5 | 5.1 |
| Precipitation (mm) | 101 | 49 | 108 | 115 | 45 | 80 | 151 | 107 | 208 | 63 | 55 | 195 |
| Sunny days | 12 | 17 | 14 | 15 | 22 | 13 | 9 | 14 | 12 | 16 | 20 | 16 |
| Rainy days | 19 | 7 | 16 | 15 | 9 | 17 | 22 | 17 | 18 | 15 | 10 | 14 |
| Snow days | 0 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Dayton during the most sunny months:
The largest precipitation sum in Dayton is at