Annual Weather Averages Near Rockford
Averages are for Greater Rockford Airport, which is 5 miles from Rockford.
Based on weather reports collected during 1985–2015.
All Year Climate & Weather Averages in Rockford
High Temp: 84 °F
Low Temp: 14 °F
Mean Temp: 49 °F
Precipitation: 1.38"
Humidity: 71%
Dew Point: 39 °F
Wind: 8 mph
Pressure: 30.05 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Rockford
High Temp: 30 °F
Low Temp: 14 °F
Mean Temp: 22 °F
Precipitation: 0.72"
Humidity: 79%
Dew Point: 16 °F
Wind: 9 mph
Pressure: 30.12 "Hg
Visibility: 8 mi
February Climate & Weather Averages in Rockford
High Temp: 33 °F
Low Temp: 17 °F
Mean Temp: 25 °F
Precipitation: 0.72"
Humidity: 75%
Dew Point: 18 °F
Wind: 9 mph
Pressure: 30.13 "Hg
Visibility: 8 mi
March Climate & Weather Averages in Rockford
High Temp: 46 °F
Low Temp: 27 °F
Mean Temp: 37 °F
Precipitation: 1.05"
Humidity: 68%
Dew Point: 27 °F
Wind: 10 mph
Pressure: 30.10 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Rockford
High Temp: 60 °F
Low Temp: 38 °F
Mean Temp: 49 °F
Precipitation: 1.95"
Humidity: 62%
Dew Point: 36 °F
Wind: 10 mph
Pressure: 29.99 "Hg
Visibility: 10 mi
May Climate & Weather Averages in Rockford
High Temp: 72 °F
Low Temp: 49 °F
Mean Temp: 60 °F
Precipitation: 2.00"
Humidity: 64%
Dew Point: 47 °F
Wind: 9 mph
Pressure: 29.99 "Hg
Visibility: 10 mi
June Climate & Weather Averages in Rockford
High Temp: 81 °F
Low Temp: 59 °F
Mean Temp: 70 °F
Precipitation: 2.37"
Humidity: 67%
Dew Point: 58 °F
Wind: 7 mph
Pressure: 29.96 "Hg
Visibility: 10 mi
July Climate & Weather Averages in Rockford
High Temp: 84 °F
Low Temp: 63 °F
Mean Temp: 73 °F
Precipitation: 1.55"
Humidity: 70%
Dew Point: 63 °F
Wind: 6 mph
Pressure: 29.99 "Hg
Visibility: 9 mi
August Climate & Weather Averages in Rockford
High Temp: 82 °F
Low Temp: 61 °F
Mean Temp: 71 °F
Precipitation: 1.75"
Humidity: 72%
Dew Point: 62 °F
Wind: 6 mph
Pressure: 30.02 "Hg
Visibility: 9 mi
September Climate & Weather Averages in Rockford
High Temp: 75 °F
Low Temp: 52 °F
Mean Temp: 64 °F
Precipitation: 1.28"
Humidity: 70%
Dew Point: 53 °F
Wind: 6 mph
Pressure: 30.05 "Hg
Visibility: 9 mi
October Climate & Weather Averages in Rockford
High Temp: 62 °F
Low Temp: 40 °F
Mean Temp: 51 °F
Precipitation: 1.13"
Humidity: 69%
Dew Point: 41 °F
Wind: 8 mph
Pressure: 30.07 "Hg
Visibility: 10 mi
November Climate & Weather Averages in Rockford
High Temp: 47 °F
Low Temp: 30 °F
Mean Temp: 39 °F
Precipitation: 1.12"
Humidity: 73%
Dew Point: 30 °F
Wind: 9 mph
Pressure: 30.09 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Rockford
High Temp: 34 °F
Low Temp: 19 °F
Mean Temp: 27 °F
Precipitation: 0.86"
Humidity: 80%
Dew Point: 21 °F
Wind: 9 mph
Pressure: 30.11 "Hg
Visibility: 8 mi