Annual Weather Averages Near Boulder
Averages are for Broomfield / Jeffco, which is 11 miles from Boulder.
Based on weather reports collected during 1985–2015.
All Year Climate & Weather Averages in Boulder
High Temp: 89 °F
Low Temp: 22 °F
Mean Temp: 52 °F
Precipitation: 0.23"
Humidity: 46%
Dew Point: 30 °F
Wind: 9 mph
Pressure: 29.99 "Hg
Visibility: 34 mi
January Climate & Weather Averages in Boulder
High Temp: 46 °F
Low Temp: 23 °F
Mean Temp: 34 °F
Precipitation: 0.05"
Humidity: 47%
Dew Point: 14 °F
Wind: 10 mph
Pressure: 30.02 "Hg
Visibility: 37 mi
February Climate & Weather Averages in Boulder
High Temp: 47 °F
Low Temp: 24 °F
Mean Temp: 35 °F
Precipitation: 0.09"
Humidity: 51%
Dew Point: 17 °F
Wind: 10 mph
Pressure: 29.99 "Hg
Visibility: 33 mi
March Climate & Weather Averages in Boulder
High Temp: 56 °F
Low Temp: 30 °F
Mean Temp: 43 °F
Precipitation: 0.15"
Humidity: 46%
Dew Point: 21 °F
Wind: 10 mph
Pressure: 29.95 "Hg
Visibility: 33 mi
April Climate & Weather Averages in Boulder
High Temp: 62 °F
Low Temp: 36 °F
Mean Temp: 49 °F
Precipitation: 0.40"
Humidity: 48%
Dew Point: 27 °F
Wind: 10 mph
Pressure: 29.91 "Hg
Visibility: 33 mi
May Climate & Weather Averages in Boulder
High Temp: 71 °F
Low Temp: 45 °F
Mean Temp: 58 °F
Precipitation: 0.55"
Humidity: 49%
Dew Point: 37 °F
Wind: 9 mph
Pressure: 29.92 "Hg
Visibility: 33 mi
June Climate & Weather Averages in Boulder
High Temp: 83 °F
Low Temp: 54 °F
Mean Temp: 68 °F
Precipitation: 0.32"
Humidity: 44%
Dew Point: 44 °F
Wind: 9 mph
Pressure: 29.94 "Hg
Visibility: 36 mi
July Climate & Weather Averages in Boulder
High Temp: 89 °F
Low Temp: 60 °F
Mean Temp: 74 °F
Precipitation: 0.34"
Humidity: 42%
Dew Point: 48 °F
Wind: 9 mph
Pressure: 30.01 "Hg
Visibility: 35 mi
August Climate & Weather Averages in Boulder
High Temp: 86 °F
Low Temp: 58 °F
Mean Temp: 72 °F
Precipitation: 0.32"
Humidity: 44%
Dew Point: 48 °F
Wind: 8 mph
Pressure: 30.04 "Hg
Visibility: 34 mi
September Climate & Weather Averages in Boulder
High Temp: 78 °F
Low Temp: 51 °F
Mean Temp: 64 °F
Precipitation: 0.20"
Humidity: 43%
Dew Point: 39 °F
Wind: 8 mph
Pressure: 30.03 "Hg
Visibility: 34 mi
October Climate & Weather Averages in Boulder
High Temp: 66 °F
Low Temp: 40 °F
Mean Temp: 53 °F
Precipitation: 0.09"
Humidity: 45%
Dew Point: 29 °F
Wind: 8 mph
Pressure: 30.03 "Hg
Visibility: 34 mi
November Climate & Weather Averages in Boulder
High Temp: 53 °F
Low Temp: 29 °F
Mean Temp: 41 °F
Precipitation: 0.14"
Humidity: 47%
Dew Point: 20 °F
Wind: 9 mph
Pressure: 30.03 "Hg
Visibility: 35 mi
December Climate & Weather Averages in Boulder
High Temp: 45 °F
Low Temp: 22 °F
Mean Temp: 34 °F
Precipitation: 0.05"
Humidity: 50%
Dew Point: 15 °F
Wind: 9 mph
Pressure: 30.02 "Hg
Visibility: 35 mi