Currently: 32 °F. Sunny. (Weather station: Purdue University Airport, USA). See more current weatherAnnual Weather Averages Near Dayton
Averages are for Purdue University Airport, which is 9 miles from Dayton.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Dayton
High Temp: 85 °F
Low Temp: 20 °F
Mean Temp: 52 °F
Precipitation: 3.17"
Humidity: 71%
Dew Point: 43 °F
Wind: 13 mph
Pressure: 30.04 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Dayton
High Temp: 35 °F
Low Temp: 20 °F
Mean Temp: 27 °F
Precipitation: 2.20"
Humidity: 77%
Dew Point: 21 °F
Wind: 16 mph
Pressure: 30.12 "Hg
Visibility: 8 mi
February Climate & Weather Averages in Dayton
High Temp: 39 °F
Low Temp: 22 °F
Mean Temp: 31 °F
Precipitation: 1.89"
Humidity: 74%
Dew Point: 23 °F
Wind: 15 mph
Pressure: 30.11 "Hg
Visibility: 8 mi
March Climate & Weather Averages in Dayton
High Temp: 51 °F
Low Temp: 31 °F
Mean Temp: 41 °F
Precipitation: 2.87"
Humidity: 67%
Dew Point: 30 °F
Wind: 15 mph
Pressure: 30.08 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Dayton
High Temp: 63 °F
Low Temp: 41 °F
Mean Temp: 52 °F
Precipitation: 3.86"
Humidity: 64%
Dew Point: 40 °F
Wind: 16 mph
Pressure: 29.98 "Hg
Visibility: 9 mi
May Climate & Weather Averages in Dayton
High Temp: 74 °F
Low Temp: 51 °F
Mean Temp: 63 °F
Precipitation: 4.16"
Humidity: 67%
Dew Point: 51 °F
Wind: 12 mph
Pressure: 29.98 "Hg
Visibility: 9 mi
June Climate & Weather Averages in Dayton
High Temp: 83 °F
Low Temp: 61 °F
Mean Temp: 72 °F
Precipitation: 4.73"
Humidity: 69%
Dew Point: 61 °F
Wind: 10 mph
Pressure: 29.95 "Hg
Visibility: 9 mi
July Climate & Weather Averages in Dayton
High Temp: 85 °F
Low Temp: 64 °F
Mean Temp: 74 °F
Precipitation: 4.25"
Humidity: 74%
Dew Point: 65 °F
Wind: 9 mph
Pressure: 29.98 "Hg
Visibility: 8 mi
August Climate & Weather Averages in Dayton
High Temp: 84 °F
Low Temp: 63 °F
Mean Temp: 73 °F
Precipitation: 3.07"
Humidity: 74%
Dew Point: 64 °F
Wind: 8 mph
Pressure: 30.01 "Hg
Visibility: 8 mi
September Climate & Weather Averages in Dayton
High Temp: 79 °F
Low Temp: 55 °F
Mean Temp: 67 °F
Precipitation: 2.70"
Humidity: 70%
Dew Point: 56 °F
Wind: 9 mph
Pressure: 30.04 "Hg
Visibility: 9 mi
October Climate & Weather Averages in Dayton
High Temp: 66 °F
Low Temp: 44 °F
Mean Temp: 55 °F
Precipitation: 3.05"
Humidity: 69%
Dew Point: 44 °F
Wind: 12 mph
Pressure: 30.06 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Dayton
High Temp: 51 °F
Low Temp: 33 °F
Mean Temp: 42 °F
Precipitation: 2.81"
Humidity: 72%
Dew Point: 33 °F
Wind: 14 mph
Pressure: 30.11 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Dayton
High Temp: 40 °F
Low Temp: 25 °F
Mean Temp: 32 °F
Precipitation: 2.46"
Humidity: 78%
Dew Point: 26 °F
Wind: 14 mph
Pressure: 30.10 "Hg
Visibility: 8 mi