Annual Weather Averages Near Napoleon
Averages are for Defiance Memorial Airport, which is 16 miles from Napoleon.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Napoleon
High Temp: 84 °F
Low Temp: 19 °F
Mean Temp: 51 °F
Precipitation: 2.78"
Humidity: 71%
Dew Point: 41 °F
Wind: 12 mph
Pressure: 30.05 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Napoleon
High Temp: 33 °F
Low Temp: 19 °F
Mean Temp: 26 °F
Precipitation: 2.03"
Humidity: 77%
Dew Point: 20 °F
Wind: 14 mph
Pressure: 30.11 "Hg
Visibility: 8 mi
February Climate & Weather Averages in Napoleon
High Temp: 36 °F
Low Temp: 21 °F
Mean Temp: 28 °F
Precipitation: 1.86"
Humidity: 75%
Dew Point: 21 °F
Wind: 13 mph
Pressure: 30.11 "Hg
Visibility: 8 mi
March Climate & Weather Averages in Napoleon
High Temp: 47 °F
Low Temp: 28 °F
Mean Temp: 38 °F
Precipitation: 2.40"
Humidity: 69%
Dew Point: 28 °F
Wind: 14 mph
Pressure: 30.09 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Napoleon
High Temp: 60 °F
Low Temp: 38 °F
Mean Temp: 49 °F
Precipitation: 3.36"
Humidity: 63%
Dew Point: 37 °F
Wind: 14 mph
Pressure: 29.99 "Hg
Visibility: 9 mi
May Climate & Weather Averages in Napoleon
High Temp: 72 °F
Low Temp: 49 °F
Mean Temp: 60 °F
Precipitation: 3.67"
Humidity: 65%
Dew Point: 48 °F
Wind: 12 mph
Pressure: 30.00 "Hg
Visibility: 9 mi
June Climate & Weather Averages in Napoleon
High Temp: 81 °F
Low Temp: 59 °F
Mean Temp: 70 °F
Precipitation: 3.35"
Humidity: 68%
Dew Point: 59 °F
Wind: 9 mph
Pressure: 29.96 "Hg
Visibility: 9 mi
July Climate & Weather Averages in Napoleon
High Temp: 84 °F
Low Temp: 63 °F
Mean Temp: 74 °F
Precipitation: 3.62"
Humidity: 69%
Dew Point: 63 °F
Wind: 8 mph
Pressure: 29.99 "Hg
Visibility: 9 mi
August Climate & Weather Averages in Napoleon
High Temp: 82 °F
Low Temp: 61 °F
Mean Temp: 72 °F
Precipitation: 3.37"
Humidity: 73%
Dew Point: 62 °F
Wind: 8 mph
Pressure: 30.02 "Hg
Visibility: 8 mi
September Climate & Weather Averages in Napoleon
High Temp: 76 °F
Low Temp: 53 °F
Mean Temp: 65 °F
Precipitation: 2.76"
Humidity: 71%
Dew Point: 55 °F
Wind: 9 mph
Pressure: 30.06 "Hg
Visibility: 9 mi
October Climate & Weather Averages in Napoleon
High Temp: 64 °F
Low Temp: 42 °F
Mean Temp: 53 °F
Precipitation: 2.34"
Humidity: 71%
Dew Point: 43 °F
Wind: 11 mph
Pressure: 30.07 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Napoleon
High Temp: 49 °F
Low Temp: 32 °F
Mean Temp: 41 °F
Precipitation: 2.55"
Humidity: 72%
Dew Point: 32 °F
Wind: 13 mph
Pressure: 30.11 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Napoleon
High Temp: 38 °F
Low Temp: 25 °F
Mean Temp: 31 °F
Precipitation: 2.05"
Humidity: 78%
Dew Point: 25 °F
Wind: 13 mph
Pressure: 30.11 "Hg
Visibility: 8 mi