Annual Weather Averages in DeKalb
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in DeKalb
High Temp: 29 °C
Low Temp: -10 °C
Mean Temp: 9 °C
Precipitation: 70.8 mm
Humidity: 73%
Dew Point: 5 °C
Wind: 26 km/h
Pressure: 101.73 kPa
Visibility: 14 km
January Climate & Weather Averages in DeKalb
High Temp: -1 °C
Low Temp: -10 °C
Mean Temp: -5 °C
Precipitation: 37.7 mm
Humidity: 82%
Dew Point: -8 °C
Wind: 31 km/h
Pressure: 101.96 kPa
Visibility: 12 km
February Climate & Weather Averages in DeKalb
High Temp: 1 °C
Low Temp: -8 °C
Mean Temp: -3 °C
Precipitation: 38.5 mm
Humidity: 79%
Dew Point: -6 °C
Wind: 31 km/h
Pressure: 101.94 kPa
Visibility: 13 km
March Climate & Weather Averages in DeKalb
High Temp: 8 °C
Low Temp: -3 °C
Mean Temp: 3 °C
Precipitation: 50.2 mm
Humidity: 71%
Dew Point: -2 °C
Wind: 31 km/h
Pressure: 101.89 kPa
Visibility: 14 km
April Climate & Weather Averages in DeKalb
High Temp: 16 °C
Low Temp: 3 °C
Mean Temp: 9 °C
Precipitation: 89.9 mm
Humidity: 65%
Dew Point: 3 °C
Wind: 33 km/h
Pressure: 101.53 kPa
Visibility: 15 km
May Climate & Weather Averages in DeKalb
High Temp: 22 °C
Low Temp: 9 °C
Mean Temp: 15 °C
Precipitation: 105.0 mm
Humidity: 65%
Dew Point: 9 °C
Wind: 29 km/h
Pressure: 101.53 kPa
Visibility: 15 km
June Climate & Weather Averages in DeKalb
High Temp: 27 °C
Low Temp: 15 °C
Mean Temp: 21 °C
Precipitation: 102.9 mm
Humidity: 68%
Dew Point: 15 °C
Wind: 23 km/h
Pressure: 101.40 kPa
Visibility: 15 km
July Climate & Weather Averages in DeKalb
High Temp: 29 °C
Low Temp: 16 °C
Mean Temp: 23 °C
Precipitation: 82.8 mm
Humidity: 72%
Dew Point: 17 °C
Wind: 19 km/h
Pressure: 101.52 kPa
Visibility: 15 km
August Climate & Weather Averages in DeKalb
High Temp: 28 °C
Low Temp: 15 °C
Mean Temp: 22 °C
Precipitation: 87.7 mm
Humidity: 76%
Dew Point: 17 °C
Wind: 16 km/h
Pressure: 101.63 kPa
Visibility: 14 km
September Climate & Weather Averages in DeKalb
High Temp: 25 °C
Low Temp: 11 °C
Mean Temp: 18 °C
Precipitation: 72.2 mm
Humidity: 72%
Dew Point: 12 °C
Wind: 19 km/h
Pressure: 101.73 kPa
Visibility: 15 km
October Climate & Weather Averages in DeKalb
High Temp: 17 °C
Low Temp: 4 °C
Mean Temp: 11 °C
Precipitation: 78.0 mm
Humidity: 72%
Dew Point: 6 °C
Wind: 24 km/h
Pressure: 101.77 kPa
Visibility: 15 km
November Climate & Weather Averages in DeKalb
High Temp: 9 °C
Low Temp: -2 °C
Mean Temp: 4 °C
Precipitation: 57.4 mm
Humidity: 76%
Dew Point: 0 °C
Wind: 27 km/h
Pressure: 101.91 kPa
Visibility: 14 km
December Climate & Weather Averages in DeKalb
High Temp: 2 °C
Low Temp: -6 °C
Mean Temp: -2 °C
Precipitation: 47.3 mm
Humidity: 81%
Dew Point: -5 °C
Wind: 28 km/h
Pressure: 101.90 kPa
Visibility: 12 km