Annual Weather Averages Near Brest
Averages are for Brest Airport, which is 5 miles from Brest.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Brest
High Temp: 70 °F
Low Temp: 39 °F
Mean Temp: 53 °F
Precipitation: 3.79"
Humidity: 85%
Dew Point: 48 °F
Wind: 18 mph
Pressure: 30.03 "Hg
Visibility: 7 mi
January Climate & Weather Averages in Brest
High Temp: 50 °F
Low Temp: 40 °F
Mean Temp: 45 °F
Precipitation: 5.26"
Humidity: 88%
Dew Point: 41 °F
Wind: 20 mph
Pressure: 30.07 "Hg
Visibility: 7 mi
February Climate & Weather Averages in Brest
High Temp: 51 °F
Low Temp: 39 °F
Mean Temp: 45 °F
Precipitation: 4.52"
Humidity: 85%
Dew Point: 41 °F
Wind: 20 mph
Pressure: 30.08 "Hg
Visibility: 7 mi
March Climate & Weather Averages in Brest
High Temp: 53 °F
Low Temp: 41 °F
Mean Temp: 47 °F
Precipitation: 3.01"
Humidity: 83%
Dew Point: 42 °F
Wind: 19 mph
Pressure: 30.06 "Hg
Visibility: 7 mi
April Climate & Weather Averages in Brest
High Temp: 57 °F
Low Temp: 43 °F
Mean Temp: 50 °F
Precipitation: 3.14"
Humidity: 81%
Dew Point: 44 °F
Wind: 18 mph
Pressure: 29.99 "Hg
Visibility: 8 mi
May Climate & Weather Averages in Brest
High Temp: 62 °F
Low Temp: 47 °F
Mean Temp: 55 °F
Precipitation: 3.06"
Humidity: 82%
Dew Point: 49 °F
Wind: 17 mph
Pressure: 30.01 "Hg
Visibility: 7 mi
June Climate & Weather Averages in Brest
High Temp: 67 °F
Low Temp: 52 °F
Mean Temp: 59 °F
Precipitation: 2.37"
Humidity: 82%
Dew Point: 53 °F
Wind: 16 mph
Pressure: 30.06 "Hg
Visibility: 8 mi
July Climate & Weather Averages in Brest
High Temp: 70 °F
Low Temp: 55 °F
Mean Temp: 62 °F
Precipitation: 2.58"
Humidity: 84%
Dew Point: 56 °F
Wind: 16 mph
Pressure: 30.05 "Hg
Visibility: 8 mi
August Climate & Weather Averages in Brest
High Temp: 69 °F
Low Temp: 55 °F
Mean Temp: 62 °F
Precipitation: 2.95"
Humidity: 85%
Dew Point: 57 °F
Wind: 15 mph
Pressure: 30.04 "Hg
Visibility: 8 mi
September Climate & Weather Averages in Brest
High Temp: 67 °F
Low Temp: 52 °F
Mean Temp: 59 °F
Precipitation: 2.58"
Humidity: 86%
Dew Point: 54 °F
Wind: 15 mph
Pressure: 30.05 "Hg
Visibility: 7 mi
October Climate & Weather Averages in Brest
High Temp: 61 °F
Low Temp: 48 °F
Mean Temp: 55 °F
Precipitation: 4.86"
Humidity: 88%
Dew Point: 51 °F
Wind: 17 mph
Pressure: 29.98 "Hg
Visibility: 7 mi
November Climate & Weather Averages in Brest
High Temp: 55 °F
Low Temp: 44 °F
Mean Temp: 49 °F
Precipitation: 5.34"
Humidity: 88%
Dew Point: 46 °F
Wind: 18 mph
Pressure: 29.98 "Hg
Visibility: 7 mi
December Climate & Weather Averages in Brest
High Temp: 51 °F
Low Temp: 40 °F
Mean Temp: 46 °F
Precipitation: 5.76"
Humidity: 88%
Dew Point: 43 °F
Wind: 20 mph
Pressure: 30.04 "Hg
Visibility: 7 mi