Average annual temperature is 14.5 °C
Absolute maximum temperature: 39.3 °C
Absolute minimum temperature: -11.4 °C
Number of sunny days: 207 days
Number of rainy days: 155 days
Number of snow days: 3 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) | 15.0 | 20.2 | 24.4 | 27.1 | 31.9 | 39.3 | 37.4 | 38.1 | 34.9 | 31.9 | 25.1 | 16.3 |
| Average daytime temperature (°C) | 7.6 | 11.0 | 12.4 | 20.6 | 26.4 | 30.7 | 32.5 | 31.8 | 28.9 | 20.8 | 14.5 | 10.1 |
| Average temperature (°C) | 2.3 | 4.0 | 6.5 | 13.5 | 19.6 | 24.1 | 26.1 | 25.9 | 22.3 | 15.4 | 8.5 | 5.7 |
| Average night temperature (°C) | -1.5 | -1.0 | 2.0 | 7.4 | 13.8 | 18.3 | 21.1 | 21.3 | 16.9 | 10.9 | 4.0 | 2.5 |
| Absolute minimum temperature (°C) | -11.4 | -10.9 | -7.7 | 0.3 | 6.0 | 11.6 | 15.6 | 15.0 | 11.3 | -2.4 | -5.4 | -4.4 |
| 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 6.0 | 7.5 | 7.2 | 10.6 | 10.3 | 12.7 | 11.2 | 11.2 | 10.5 | 7.8 | 7.6 | 5.4 |
| Precipitation (mm) | 100 | 55 | 88 | 31 | 66 | 57 | 61 | 54 | 41 | 85 | 21 | 112 |
| Sunny days | 18 | 15 | 14 | 21 | 14 | 15 | 13 | 20 | 21 | 19 | 23 | 14 |
| Rainy days | 10 | 13 | 17 | 9 | 17 | 15 | 18 | 11 | 9 | 12 | 7 | 17 |
| Snow days | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Dayton during the most sunny months:
The largest precipitation sum in Dayton is at