Annual Weather Averages in Hebron Municipal Airport
Hebron Municipal Airport is 22 miles from Fairbury, so the actual climate in Fairbury can vary a bit.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Fairbury
High Temp: 90 °F
Low Temp: 20 °F
Mean Temp: 54 °F
Precipitation: 2.38"
Humidity: 66%
Dew Point: 42 °F
Wind: 17 mph
Pressure: 30.02 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Fairbury
High Temp: 39 °F
Low Temp: 20 °F
Mean Temp: 30 °F
Precipitation: 0.69"
Humidity: 69%
Dew Point: 20 °F
Wind: 17 mph
Pressure: 30.14 "Hg
Visibility: 9 mi
February Climate & Weather Averages in Fairbury
High Temp: 43 °F
Low Temp: 22 °F
Mean Temp: 33 °F
Precipitation: 0.86"
Humidity: 67%
Dew Point: 22 °F
Wind: 17 mph
Pressure: 30.12 "Hg
Visibility: 9 mi
March Climate & Weather Averages in Fairbury
High Temp: 56 °F
Low Temp: 32 °F
Mean Temp: 44 °F
Precipitation: 1.56"
Humidity: 62%
Dew Point: 30 °F
Wind: 19 mph
Pressure: 30.05 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Fairbury
High Temp: 65 °F
Low Temp: 41 °F
Mean Temp: 53 °F
Precipitation: 2.54"
Humidity: 62%
Dew Point: 39 °F
Wind: 20 mph
Pressure: 29.97 "Hg
Visibility: 9 mi
May Climate & Weather Averages in Fairbury
High Temp: 75 °F
Low Temp: 52 °F
Mean Temp: 63 °F
Precipitation: 4.42"
Humidity: 68%
Dew Point: 52 °F
Wind: 18 mph
Pressure: 29.93 "Hg
Visibility: 9 mi
June Climate & Weather Averages in Fairbury
High Temp: 86 °F
Low Temp: 63 °F
Mean Temp: 75 °F
Precipitation: 3.75"
Humidity: 65%
Dew Point: 61 °F
Wind: 18 mph
Pressure: 29.88 "Hg
Visibility: 10 mi
July Climate & Weather Averages in Fairbury
High Temp: 90 °F
Low Temp: 68 °F
Mean Temp: 79 °F
Precipitation: 4.27"
Humidity: 65%
Dew Point: 65 °F
Wind: 16 mph
Pressure: 29.93 "Hg
Visibility: 10 mi
August Climate & Weather Averages in Fairbury
High Temp: 88 °F
Low Temp: 66 °F
Mean Temp: 77 °F
Precipitation: 3.49"
Humidity: 68%
Dew Point: 64 °F
Wind: 14 mph
Pressure: 29.95 "Hg
Visibility: 9 mi
September Climate & Weather Averages in Fairbury
High Temp: 81 °F
Low Temp: 57 °F
Mean Temp: 69 °F
Precipitation: 2.84"
Humidity: 64%
Dew Point: 55 °F
Wind: 16 mph
Pressure: 29.99 "Hg
Visibility: 10 mi
October Climate & Weather Averages in Fairbury
High Temp: 68 °F
Low Temp: 44 °F
Mean Temp: 56 °F
Precipitation: 2.07"
Humidity: 62%
Dew Point: 42 °F
Wind: 17 mph
Pressure: 30.03 "Hg
Visibility: 10 mi
November Climate & Weather Averages in Fairbury
High Temp: 54 °F
Low Temp: 32 °F
Mean Temp: 43 °F
Precipitation: 1.13"
Humidity: 64%
Dew Point: 30 °F
Wind: 18 mph
Pressure: 30.09 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Fairbury
High Temp: 42 °F
Low Temp: 22 °F
Mean Temp: 32 °F
Precipitation: 0.96"
Humidity: 70%
Dew Point: 23 °F
Wind: 16 mph
Pressure: 30.11 "Hg
Visibility: 9 mi