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 1985–2015.
All Year Climate & Weather Averages in Fairbury
High Temp: 91 °F
Low Temp: 20 °F
Mean Temp: 54 °F
Precipitation: 1.01"
Humidity: 65%
Dew Point: 42 °F
Wind: 10 mph
Pressure: 30.02 "Hg
Visibility: 10 mi
January Climate & Weather Averages in Fairbury
High Temp: 40 °F
Low Temp: 20 °F
Mean Temp: 30 °F
Precipitation: 0.19"
Humidity: 67%
Dew Point: 19 °F
Wind: 9 mph
Pressure: 30.14 "Hg
Visibility: 10 mi
February Climate & Weather Averages in Fairbury
High Temp: 43 °F
Low Temp: 22 °F
Mean Temp: 33 °F
Precipitation: 0.27"
Humidity: 67%
Dew Point: 22 °F
Wind: 9 mph
Pressure: 30.13 "Hg
Visibility: 10 mi
March Climate & Weather Averages in Fairbury
High Temp: 56 °F
Low Temp: 32 °F
Mean Temp: 44 °F
Precipitation: 0.62"
Humidity: 62%
Dew Point: 30 °F
Wind: 11 mph
Pressure: 30.04 "Hg
Visibility: 10 mi
April Climate & Weather Averages in Fairbury
High Temp: 66 °F
Low Temp: 41 °F
Mean Temp: 53 °F
Precipitation: 0.98"
Humidity: 61%
Dew Point: 40 °F
Wind: 11 mph
Pressure: 29.96 "Hg
Visibility: 10 mi
May Climate & Weather Averages in Fairbury
High Temp: 75 °F
Low Temp: 52 °F
Mean Temp: 64 °F
Precipitation: 2.05"
Humidity: 67%
Dew Point: 52 °F
Wind: 10 mph
Pressure: 29.92 "Hg
Visibility: 10 mi
June Climate & Weather Averages in Fairbury
High Temp: 86 °F
Low Temp: 63 °F
Mean Temp: 74 °F
Precipitation: 1.91"
Humidity: 65%
Dew Point: 61 °F
Wind: 10 mph
Pressure: 29.89 "Hg
Visibility: 10 mi
July Climate & Weather Averages in Fairbury
High Temp: 91 °F
Low Temp: 68 °F
Mean Temp: 79 °F
Precipitation: 1.70"
Humidity: 63%
Dew Point: 65 °F
Wind: 9 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: 1.59"
Humidity: 66%
Dew Point: 64 °F
Wind: 8 mph
Pressure: 29.96 "Hg
Visibility: 10 mi
September Climate & Weather Averages in Fairbury
High Temp: 81 °F
Low Temp: 56 °F
Mean Temp: 68 °F
Precipitation: 1.31"
Humidity: 63%
Dew Point: 54 °F
Wind: 9 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: 0.91"
Humidity: 61%
Dew Point: 41 °F
Wind: 10 mph
Pressure: 30.04 "Hg
Visibility: 10 mi
November Climate & Weather Averages in Fairbury
High Temp: 53 °F
Low Temp: 31 °F
Mean Temp: 42 °F
Precipitation: 0.29"
Humidity: 64%
Dew Point: 30 °F
Wind: 10 mph
Pressure: 30.08 "Hg
Visibility: 10 mi
December Climate & Weather Averages in Fairbury
High Temp: 41 °F
Low Temp: 22 °F
Mean Temp: 32 °F
Precipitation: 0.35"
Humidity: 70%
Dew Point: 22 °F
Wind: 9 mph
Pressure: 30.12 "Hg
Visibility: 10 mi