Average annual temperature is 12.5 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: -19.9 °C
Number of sunny days: 214 days
Number of rainy days: 133 days
Number of snow days: 18 days
Look at detailed online map of Dayton (historical)
* Weather data for Dayton (historical) 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) | 11.1 | 16.5 | 23.2 | 28.5 | 30.6 | 32.9 | 35.2 | 35.9 | 33.3 | 32.0 | 20.1 | 15.3 |
| Average daytime temperature (°C) | 3.1 | 6.8 | 9.7 | 18.9 | 25.7 | 29.8 | 29.0 | 29.2 | 27.5 | 19.1 | 11.9 | 7.7 |
| Average temperature (°C) | -1.3 | 0.0 | 3.6 | 11.6 | 19.0 | 23.8 | 23.9 | 24.1 | 21.6 | 13.9 | 6.2 | 3.1 |
| Average night temperature (°C) | -4.6 | -4.9 | -0.9 | 5.8 | 13.0 | 17.8 | 19.4 | 19.8 | 16.4 | 9.5 | 1.6 | -0.2 |
| Absolute minimum temperature (°C) | -15.3 | -19.9 | -11.3 | -4.8 | 3.0 | 10.6 | 14.5 | 13.5 | 11.2 | -4.5 | -7.6 | -4.7 |
| 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 | 10.7 | 11.9 | 13.3 | 14.5 | 15.0 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 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) | 5.6 | 7.7 | 7.7 | 9.7 | 11.6 | 12.7 | 11.3 | 11.4 | 10.9 | 8.0 | 6.9 | 5.5 |
| Precipitation (mm) | 38 | 66 | 39 | 40 | 82 | 66 | 110 | 58 | 38 | 41 | 9 | 51 |
| Sunny days | 20 | 19 | 17 | 17 | 16 | 17 | 15 | 15 | 22 | 15 | 23 | 18 |
| Rainy days | 5 | 6 | 11 | 12 | 15 | 13 | 16 | 16 | 8 | 15 | 7 | 9 |
| Snow days | 6 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4 |
The best time to visit Dayton (historical) during the most sunny months:
The largest precipitation sum in Dayton (historical) is at