Average annual temperature is 9.8 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: -19.2 °C
Number of sunny days: 147 days
Number of rainy days: 188 days
Number of snow days: 30 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) | 9.9 | 11.4 | 13.4 | 28.7 | 31.6 | 32.3 | 31.9 | 29.8 | 31.9 | 28.8 | 16.9 | 14.9 |
| Average daytime temperature (°C) | 2.1 | 3.9 | 5.4 | 15.3 | 20.8 | 25.4 | 26.7 | 24.3 | 22.7 | 15.7 | 7.8 | 6.0 |
| Average temperature (°C) | -0.8 | -1.5 | 0.6 | 8.9 | 13.7 | 19.2 | 21.4 | 19.3 | 17.7 | 11.7 | 3.4 | 2.8 |
| Average night temperature (°C) | -3.1 | -5.4 | -3.2 | 3.7 | 7.4 | 13.5 | 17.1 | 15.1 | 13.8 | 8.8 | 0.1 | 0.6 |
| Absolute minimum temperature (°C) | -19.2 | -18.3 | -9.5 | -4.0 | 0.0 | 8.6 | 13.9 | 8.8 | 7.7 | -2.9 | -8.0 | -5.5 |
| 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 | 9.0 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.4 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 9.0 | 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) | 2.7 | 6.3 | 6.4 | 8.2 | 10.9 | 11.4 | 11.6 | 10.1 | 8.2 | 5.6 | 5.7 | 3.1 |
| Precipitation (mm) | 65 | 91 | 97 | 102 | 57 | 60 | 210 | 109 | 31 | 100 | 49 | 68 |
| Sunny days | 9 | 12 | 9 | 13 | 23 | 17 | 3 | 11 | 13 | 7 | 17 | 13 |
| Rainy days | 15 | 11 | 11 | 17 | 8 | 13 | 28 | 20 | 17 | 24 | 8 | 16 |
| Snow days | 7 | 5 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 2 |
The best time to visit Dayton during the most sunny months:
Months with the longest average daylight duration in Dayton:
The largest precipitation sum in Dayton is at