Dayton
The tables below display average monthly climate and weather indicators in Dayton Ohio.
Temperature by: Fahrenheit / Centigrade
| Dayton Temperature |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Avg. Temperature | -3.3 | -1.4 | 4.7 | 10.7 | 16.5 | 21.3 | 23.4 | 22.3 | 18.8 | 12.3 | 6.1 | -0.2 | 10.9 |
| Avg. Max Temperature | 1.2 | 3.3 | 10.0 | 16.6 | 22.5 | 27.6 | 29.4 | 28.3 | 24.7 | 18.1 | 10.7 | 3.9 | 16.4 |
| Avg. Min Temperature | -7.8 | -6.2 | -0.6 | 4.7 | 10.6 | 15.1 | 17.4 | 16.3 | 12.8 | 6.4 | 1.3 | -4.4 | 5.5 |
| Days with Max Temp of 32 C or Higher | 0.0 | 0.0 | 0.0 | 0.0 | < 0.5 | 4.0 | 7.0 | 4.0 | 1.0 | 0.0 | 0.0 | 0.0 | 16.0 |
| Days with Min Temp Below Freezing | 27.0 | 23.0 | 18.0 | 6.0 | < 0.5 | 0.0 | 0.0 | 0.0 | < 0.5 | 3.0 | 14.0 | 24.0 | 115 |
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| Dayton Heating and Cooling |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Heating Degree Days | 1209 | 997 | 760 | 414 | 185 | 11.0 | 0.0 | 6.0 | 73.0 | 355 | 663 | 1035 | 5708 |
| Cooling Degree Days | 0.0 | 0.0 | 0.0 | 0.0 | 83.0 | 173 | 285 | 230 | 97.0 | 18.0 | 0.0 | 0.0 | 886 |
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| Dayton Precipitation |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Precipitation (inches) | 2.1 | 2.2 | 3.4 | 3.5 | 3.9 | 3.8 | 3.5 | 3.2 | 2.5 | 2.5 | 3.1 | 2.9 | 36.6 |
| Days with Precipitation 0.01 inch or More | 13.0 | 11.0 | 13.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 8.0 | 9.0 | 11.0 | 12.0 | 132 |
| Monthly Snowfall (inches) | 8.1 | 5.9 | 5.2 | 0.7 | < 0.05 | 0.0 | < 0.05 | 0.0 | 0.0 | 0.2 | 2.1 | 5.4 | 27.6 |
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| Other Dayton Weather Indicators |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Average Wind Speed | 11.4 | 11.3 | 11.7 | 11.3 | 9.7 | 8.8 | 7.9 | 7.3 | 8.1 | 9.0 | 11.0 | 11.1 | 9.9 |
| Clear Days | 5.0 | 5.0 | 5.0 | 5.0 | 6.0 | 6.0 | 7.0 | 8.0 | 9.0 | 10.0 | 5.0 | 4.0 | 77.0 |
| Partly Cloudy Days | 6.0 | 6.0 | 7.0 | 7.0 | 9.0 | 10.0 | 12.0 | 12.0 | 9.0 | 8.0 | 7.0 | 6.0 | 100 |
| Cloudy Days | 20.0 | 17.0 | 19.0 | 17.0 | 16.0 | 13.0 | 11.0 | 11.0 | 12.0 | 13.0 | 18.0 | 21.0 | 188 |
| Percent of Possible Sunshine | 40.0 | 44.0 | 48.0 | 52.0 | 58.0 | 66.0 | 66.0 | 67.0 | 65.0 | 59.0 | 40.0 | 36.0 | 53.0 |
| Avg. Relative Humidity | 57.0 | 74.5 | 72.5 | 68.5 | 66.5 | 67.5 | 68.5 | 71.0 | 72.0 | 69.5 | 68.5 | 73.5 | 76.0 |
Weather information for other cities in Ohio