Weather in Dayton, Ohio for December 2025
With an average of 2 snowy days, Dayton usually enjoys a light touch of snow in December.
According to Dayton snow forecast for December 2025, no snow is expected until the end of the month.Until now, December 2025 in Dayton is slightly cooler than the historical average by -0.6 °F.
The forecast for the upcoming days in Dayton predicts a temperature of 5.4 °F, which is slightly above the historical average.
In general, the average temperature in Dayton at the beginning of December is 0.4 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 7.9 °F by the end of December.
Dayton experiences moderate rainfall in December, with an average of 6 rainy days and a total precipitation of 347.8 mm.
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Dayton Weather December
Temperatures trend during December in Dayton
December weather in Dayton day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Cloudy | 0° /-4° | 0.9 mm | 1 | |
| Dec. 2 |  Overcast | -1° /-4° | 6.7 mm | 1 | |
| Dec. 3 | Overcast | 2° /-4° | 0 mm | 1 | |
| Dec. 4 | Overcast | 0° /-5° | 0 mm | 1 | |
| Dec. 5 |  Partly cloudy | 0° /-7° | 0 mm | 2 | |
| Dec. 6 | Cloudy | -1° /-5° | 0 mm | 1 | |
| Dec. 7 | Overcast | 3° /-2° | 0 mm | 1 | |
| Dec. 8 | Partly cloudy | 5° /-3° | 0 mm | 2 | |
| Dec. 9 |  Moderate or heavy rain with thunder | 4° /-1° | 22.7 mm | 2 | |
| Dec. 10 |  Fog | 5° /0° | 1.6 mm | 2 | |
| Dec. 11 |  Light freezing rain | 0° /-2° | 0 mm | 1 | |
| Dec. 12 | Cloudy | 0° /-4° | 9.5 mm | 1 | |
| Dec. 13 | Overcast | 0° /-4° | 8.5 mm | 1 | |
| Dec. 14 | Overcast | 4° /-3° | 2.1 mm | 1 | |
| Dec. 15 | Partly cloudy | -3° /-19° | 0 mm | 0.4 | |
| Dec. 16 | Partly cloudy | 3° /-7° | 0 mm | 0.5 | |
| Dec. 17 | Overcast | 5° /1° | 0 mm | 0.4 | |
| Dec. 18 |  Heavy rain | 12° /1° | 31.6 mm | 0.1 | |
| Dec. 19 | Partly cloudy | 0° /-4° | 0.1 mm | 0 | |
| Dec. 20 |  Patchy rain possible | 9° /-1° | 0.2 mm | 1 | |
| Dec. 21 | Patchy rain possible | 9° /-2° | 4.8 mm | 1 | |
| Dec. 22 |  Sunny | 4° /-3° | 0 mm | 2 | |
| Dec. 23 | Sunny | 8° /-1° | 0 mm | 2 | |
| Dec. 24 | Sunny | 10° /2° | 0 mm | 3 | |
| Dec. 25 | Sunny | 1° /-3° | 0 mm | 2 | |
| Dec. 26 | Light freezing rain | 3° /-3° | 0.2 mm | 1 | |
| Dec. 27 | Patchy rain possible | 9° /4° | 1.7 mm | 2 | |
| Dec. 28 | Overcast | 12° /8° | 0 mm | 3 | |
| Dec. 29 | Moderate or heavy rain with thunder | 14° /6° | 88.3 mm | 3 | |
| Dec. 30 | Mist | 9° /5° | 0 mm | 2 | |
| Dec. 31 | Overcast | 7° /3° | 0 mm | 2 | |
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December rainfall patterns in Dayton
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