Annual Weather Averages Near Boulder
Averages are for Broomfield / Jeffco, which is 11 miles from Boulder.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Boulder
High Temp: 89 °F
Low Temp: 24 °F
Mean Temp: 53 °F
Precipitation: 0.91"
Humidity: 46%
Dew Point: 30 °F
Wind: 16 mph
Pressure: 30.01 "Hg
Visibility: 29 mi
January Climate & Weather Averages in Boulder
High Temp: 46 °F
Low Temp: 24 °F
Mean Temp: 35 °F
Precipitation: 0.23"
Humidity: 47%
Dew Point: 15 °F
Wind: 17 mph
Pressure: 30.02 "Hg
Visibility: 31 mi
February Climate & Weather Averages in Boulder
High Temp: 47 °F
Low Temp: 24 °F
Mean Temp: 36 °F
Precipitation: 0.45"
Humidity: 50%
Dew Point: 16 °F
Wind: 17 mph
Pressure: 29.98 "Hg
Visibility: 29 mi
March Climate & Weather Averages in Boulder
High Temp: 56 °F
Low Temp: 31 °F
Mean Temp: 44 °F
Precipitation: 0.85"
Humidity: 47%
Dew Point: 21 °F
Wind: 17 mph
Pressure: 29.97 "Hg
Visibility: 29 mi
April Climate & Weather Averages in Boulder
High Temp: 62 °F
Low Temp: 37 °F
Mean Temp: 49 °F
Precipitation: 1.43"
Humidity: 48%
Dew Point: 27 °F
Wind: 17 mph
Pressure: 29.93 "Hg
Visibility: 28 mi
May Climate & Weather Averages in Boulder
High Temp: 71 °F
Low Temp: 45 °F
Mean Temp: 58 °F
Precipitation: 1.82"
Humidity: 51%
Dew Point: 37 °F
Wind: 15 mph
Pressure: 29.96 "Hg
Visibility: 28 mi
June Climate & Weather Averages in Boulder
High Temp: 83 °F
Low Temp: 55 °F
Mean Temp: 69 °F
Precipitation: 1.24"
Humidity: 43%
Dew Point: 43 °F
Wind: 15 mph
Pressure: 29.98 "Hg
Visibility: 30 mi
July Climate & Weather Averages in Boulder
High Temp: 89 °F
Low Temp: 61 °F
Mean Temp: 75 °F
Precipitation: 1.41"
Humidity: 43%
Dew Point: 48 °F
Wind: 14 mph
Pressure: 30.06 "Hg
Visibility: 29 mi
August Climate & Weather Averages in Boulder
High Temp: 86 °F
Low Temp: 59 °F
Mean Temp: 73 °F
Precipitation: 1.14"
Humidity: 44%
Dew Point: 47 °F
Wind: 14 mph
Pressure: 30.08 "Hg
Visibility: 28 mi
September Climate & Weather Averages in Boulder
High Temp: 79 °F
Low Temp: 52 °F
Mean Temp: 66 °F
Precipitation: 0.88"
Humidity: 42%
Dew Point: 39 °F
Wind: 14 mph
Pressure: 30.06 "Hg
Visibility: 29 mi
October Climate & Weather Averages in Boulder
High Temp: 66 °F
Low Temp: 40 °F
Mean Temp: 53 °F
Precipitation: 0.67"
Humidity: 46%
Dew Point: 29 °F
Wind: 14 mph
Pressure: 30.04 "Hg
Visibility: 29 mi
November Climate & Weather Averages in Boulder
High Temp: 54 °F
Low Temp: 31 °F
Mean Temp: 43 °F
Precipitation: 0.47"
Humidity: 47%
Dew Point: 20 °F
Wind: 15 mph
Pressure: 30.05 "Hg
Visibility: 29 mi
December Climate & Weather Averages in Boulder
High Temp: 46 °F
Low Temp: 24 °F
Mean Temp: 35 °F
Precipitation: 0.32"
Humidity: 48%
Dew Point: 15 °F
Wind: 16 mph
Pressure: 30.00 "Hg
Visibility: 30 mi