Annual Weather Averages in De Kalb Taylor Municipal Airport
De Kalb Taylor Municipal Airport is 19 miles from Rochelle, so the actual climate in Rochelle can vary a bit.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Rochelle
High Temp: 84 °F
Low Temp: 15 °F
Mean Temp: 49 °F
Precipitation: 2.79"
Humidity: 73%
Dew Point: 41 °F
Wind: 16 mph
Pressure: 30.04 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Rochelle
High Temp: 31 °F
Low Temp: 15 °F
Mean Temp: 23 °F
Precipitation: 1.49"
Humidity: 82%
Dew Point: 18 °F
Wind: 19 mph
Pressure: 30.11 "Hg
Visibility: 7 mi
February Climate & Weather Averages in Rochelle
High Temp: 34 °F
Low Temp: 17 °F
Mean Temp: 26 °F
Precipitation: 1.52"
Humidity: 79%
Dew Point: 20 °F
Wind: 19 mph
Pressure: 30.10 "Hg
Visibility: 8 mi
March Climate & Weather Averages in Rochelle
High Temp: 47 °F
Low Temp: 27 °F
Mean Temp: 37 °F
Precipitation: 1.98"
Humidity: 71%
Dew Point: 29 °F
Wind: 19 mph
Pressure: 30.09 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Rochelle
High Temp: 60 °F
Low Temp: 37 °F
Mean Temp: 48 °F
Precipitation: 3.54"
Humidity: 65%
Dew Point: 37 °F
Wind: 20 mph
Pressure: 29.98 "Hg
Visibility: 9 mi
May Climate & Weather Averages in Rochelle
High Temp: 71 °F
Low Temp: 48 °F
Mean Temp: 60 °F
Precipitation: 4.14"
Humidity: 65%
Dew Point: 48 °F
Wind: 18 mph
Pressure: 29.98 "Hg
Visibility: 9 mi
June Climate & Weather Averages in Rochelle
High Temp: 81 °F
Low Temp: 58 °F
Mean Temp: 70 °F
Precipitation: 4.05"
Humidity: 68%
Dew Point: 59 °F
Wind: 15 mph
Pressure: 29.94 "Hg
Visibility: 9 mi
July Climate & Weather Averages in Rochelle
High Temp: 84 °F
Low Temp: 62 °F
Mean Temp: 73 °F
Precipitation: 3.26"
Humidity: 72%
Dew Point: 63 °F
Wind: 12 mph
Pressure: 29.98 "Hg
Visibility: 9 mi
August Climate & Weather Averages in Rochelle
High Temp: 82 °F
Low Temp: 59 °F
Mean Temp: 71 °F
Precipitation: 3.45"
Humidity: 76%
Dew Point: 63 °F
Wind: 10 mph
Pressure: 30.01 "Hg
Visibility: 8 mi
September Climate & Weather Averages in Rochelle
High Temp: 76 °F
Low Temp: 51 °F
Mean Temp: 64 °F
Precipitation: 2.84"
Humidity: 72%
Dew Point: 54 °F
Wind: 12 mph
Pressure: 30.04 "Hg
Visibility: 9 mi
October Climate & Weather Averages in Rochelle
High Temp: 63 °F
Low Temp: 40 °F
Mean Temp: 52 °F
Precipitation: 3.07"
Humidity: 72%
Dew Point: 43 °F
Wind: 15 mph
Pressure: 30.05 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Rochelle
High Temp: 48 °F
Low Temp: 29 °F
Mean Temp: 39 °F
Precipitation: 2.26"
Humidity: 76%
Dew Point: 31 °F
Wind: 17 mph
Pressure: 30.09 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Rochelle
High Temp: 36 °F
Low Temp: 20 °F
Mean Temp: 28 °F
Precipitation: 1.86"
Humidity: 81%
Dew Point: 23 °F
Wind: 17 mph
Pressure: 30.09 "Hg
Visibility: 7 mi