Average annual temperature is 19.4 °C
Absolute maximum temperature: 43.5 °C
Absolute minimum temperature: -5.1 °C
Number of sunny days: 304 days
Number of rainy days: 61 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) | 22.9 | 25.0 | 29.5 | 35.1 | 36.1 | 43.5 | 42.8 | 41.8 | 39.8 | 32.8 | 31.7 | 24.4 |
| Average daytime temperature (°C) | 15.9 | 16.6 | 22.7 | 27.2 | 31.5 | 37.5 | 39.0 | 37.0 | 34.5 | 26.7 | 20.0 | 16.6 |
| Average temperature (°C) | 8.2 | 8.4 | 14.6 | 18.2 | 23.3 | 29.8 | 32.1 | 30.1 | 27.0 | 19.2 | 12.0 | 8.8 |
| Average night temperature (°C) | 2.1 | 2.0 | 7.4 | 10.4 | 15.5 | 21.2 | 24.7 | 23.2 | 19.6 | 12.5 | 6.1 | 2.5 |
| Absolute minimum temperature (°C) | -5.1 | -5.1 | -0.5 | 3.4 | 11.1 | 15.1 | 21.7 | 17.2 | 16.0 | -1.5 | -1.1 | -4.8 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.3 | 14.1 | 13.3 | 12.4 | 11.4 | 10.5 | 10.0 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 8.3 | 8.5 | 10.2 | 11.6 | 11.6 | 12.8 | 13.0 | 11.6 | 11.0 | 9.9 | 8.2 | 8.4 |
| Precipitation (mm) | 19 | 4 | 0 | 1 | 20 | 1 | 1 | 14 | 4 | 13 | 8 | 12 |
| Sunny days | 29 | 22 | 30 | 29 | 17 | 27 | 27 | 24 | 22 | 26 | 25 | 26 |
| Rainy days | 2 | 6 | 1 | 1 | 14 | 3 | 4 | 7 | 8 | 5 | 5 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Dayton is at