Annual Weather Averages Near Waterloo
Averages are for Waterloo Well, which is 7 miles from Waterloo.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Waterloo
High Temp: 80 °F
Low Temp: 14 °F
Mean Temp: 45 °F
Precipitation: 2.69"
Humidity: 78%
Dew Point: 38 °F
Wind: 16 mph
Pressure: 30.01 "Hg
Visibility: 8 mi
January Climate & Weather Averages in Waterloo
High Temp: 28 °F
Low Temp: 14 °F
Mean Temp: 21 °F
Precipitation: 2.28"
Humidity: 83%
Dew Point: 18 °F
Wind: 19 mph
Pressure: 30.03 "Hg
Visibility: 7 mi
February Climate & Weather Averages in Waterloo
High Temp: 30 °F
Low Temp: 14 °F
Mean Temp: 22 °F
Precipitation: 1.77"
Humidity: 79%
Dew Point: 17 °F
Wind: 19 mph
Pressure: 30.04 "Hg
Visibility: 7 mi
March Climate & Weather Averages in Waterloo
High Temp: 39 °F
Low Temp: 22 °F
Mean Temp: 31 °F
Precipitation: 2.05"
Humidity: 75%
Dew Point: 23 °F
Wind: 19 mph
Pressure: 30.05 "Hg
Visibility: 8 mi
April Climate & Weather Averages in Waterloo
High Temp: 53 °F
Low Temp: 32 °F
Mean Temp: 42 °F
Precipitation: 2.92"
Humidity: 71%
Dew Point: 32 °F
Wind: 19 mph
Pressure: 29.98 "Hg
Visibility: 9 mi
May Climate & Weather Averages in Waterloo
High Temp: 66 °F
Low Temp: 43 °F
Mean Temp: 54 °F
Precipitation: 3.01"
Humidity: 71%
Dew Point: 44 °F
Wind: 16 mph
Pressure: 29.99 "Hg
Visibility: 9 mi
June Climate & Weather Averages in Waterloo
High Temp: 76 °F
Low Temp: 53 °F
Mean Temp: 64 °F
Precipitation: 3.02"
Humidity: 74%
Dew Point: 55 °F
Wind: 14 mph
Pressure: 29.95 "Hg
Visibility: 8 mi
July Climate & Weather Averages in Waterloo
High Temp: 80 °F
Low Temp: 57 °F
Mean Temp: 68 °F
Precipitation: 3.49"
Humidity: 74%
Dew Point: 59 °F
Wind: 13 mph
Pressure: 29.97 "Hg
Visibility: 9 mi
August Climate & Weather Averages in Waterloo
High Temp: 78 °F
Low Temp: 55 °F
Mean Temp: 67 °F
Precipitation: 2.71"
Humidity: 79%
Dew Point: 59 °F
Wind: 11 mph
Pressure: 30.01 "Hg
Visibility: 8 mi
September Climate & Weather Averages in Waterloo
High Temp: 71 °F
Low Temp: 48 °F
Mean Temp: 59 °F
Precipitation: 3.19"
Humidity: 81%
Dew Point: 53 °F
Wind: 12 mph
Pressure: 30.05 "Hg
Visibility: 8 mi
October Climate & Weather Averages in Waterloo
High Temp: 58 °F
Low Temp: 38 °F
Mean Temp: 48 °F
Precipitation: 2.88"
Humidity: 82%
Dew Point: 42 °F
Wind: 15 mph
Pressure: 30.03 "Hg
Visibility: 8 mi
November Climate & Weather Averages in Waterloo
High Temp: 44 °F
Low Temp: 29 °F
Mean Temp: 37 °F
Precipitation: 2.70"
Humidity: 82%
Dew Point: 32 °F
Wind: 18 mph
Pressure: 30.05 "Hg
Visibility: 8 mi
December Climate & Weather Averages in Waterloo
High Temp: 34 °F
Low Temp: 21 °F
Mean Temp: 28 °F
Precipitation: 2.21"
Humidity: 84%
Dew Point: 24 °F
Wind: 19 mph
Pressure: 30.03 "Hg
Visibility: 7 mi