Annual Weather Averages Near Chemainus
Averages are for North Cowichan, which is 8 miles from Chemainus.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Chemainus
High Temp: 76 °F
Low Temp: 32 °F
Mean Temp: 50 °F
Precipitation: 3.89"
Humidity: 75%
Dew Point: 43 °F
Wind: 9 mph
Pressure: 30.02 "Hg
Visibility: 21 mi
January Climate & Weather Averages in Chemainus
High Temp: 45 °F
Low Temp: 32 °F
Mean Temp: 38 °F
Precipitation: 7.89"
Humidity: 90%
Dew Point: 35 °F
Wind: 7 mph
Pressure: 30.03 "Hg
Visibility: 14 mi
February Climate & Weather Averages in Chemainus
High Temp: 47 °F
Low Temp: 32 °F
Mean Temp: 40 °F
Precipitation: 4.60"
Humidity: 82%
Dew Point: 34 °F
Wind: 8 mph
Pressure: 30.03 "Hg
Visibility: 19 mi
March Climate & Weather Averages in Chemainus
High Temp: 51 °F
Low Temp: 35 °F
Mean Temp: 43 °F
Precipitation: 4.77"
Humidity: 76%
Dew Point: 36 °F
Wind: 10 mph
Pressure: 30.01 "Hg
Visibility: 21 mi
April Climate & Weather Averages in Chemainus
High Temp: 57 °F
Low Temp: 39 °F
Mean Temp: 48 °F
Precipitation: 2.76"
Humidity: 69%
Dew Point: 39 °F
Wind: 11 mph
Pressure: 30.03 "Hg
Visibility: 24 mi
May Climate & Weather Averages in Chemainus
High Temp: 65 °F
Low Temp: 46 °F
Mean Temp: 55 °F
Precipitation: 1.93"
Humidity: 65%
Dew Point: 45 °F
Wind: 10 mph
Pressure: 30.02 "Hg
Visibility: 25 mi
June Climate & Weather Averages in Chemainus
High Temp: 69 °F
Low Temp: 51 °F
Mean Temp: 60 °F
Precipitation: 1.85"
Humidity: 64%
Dew Point: 50 °F
Wind: 10 mph
Pressure: 30.02 "Hg
Visibility: 26 mi
July Climate & Weather Averages in Chemainus
High Temp: 76 °F
Low Temp: 55 °F
Mean Temp: 66 °F
Precipitation: 1.04"
Humidity: 60%
Dew Point: 54 °F
Wind: 10 mph
Pressure: 30.03 "Hg
Visibility: 27 mi
August Climate & Weather Averages in Chemainus
High Temp: 76 °F
Low Temp: 54 °F
Mean Temp: 65 °F
Precipitation: 1.09"
Humidity: 62%
Dew Point: 54 °F
Wind: 10 mph
Pressure: 30.01 "Hg
Visibility: 26 mi
September Climate & Weather Averages in Chemainus
High Temp: 69 °F
Low Temp: 49 °F
Mean Temp: 59 °F
Precipitation: 2.10"
Humidity: 70%
Dew Point: 50 °F
Wind: 9 mph
Pressure: 30.02 "Hg
Visibility: 24 mi
October Climate & Weather Averages in Chemainus
High Temp: 58 °F
Low Temp: 42 °F
Mean Temp: 50 °F
Precipitation: 4.58"
Humidity: 81%
Dew Point: 45 °F
Wind: 8 mph
Pressure: 30.04 "Hg
Visibility: 19 mi
November Climate & Weather Averages in Chemainus
High Temp: 49 °F
Low Temp: 36 °F
Mean Temp: 42 °F
Precipitation: 6.74"
Humidity: 87%
Dew Point: 39 °F
Wind: 8 mph
Pressure: 30.01 "Hg
Visibility: 16 mi
December Climate & Weather Averages in Chemainus
High Temp: 43 °F
Low Temp: 32 °F
Mean Temp: 38 °F
Precipitation: 7.33"
Humidity: 90%
Dew Point: 35 °F
Wind: 7 mph
Pressure: 30.03 "Hg
Visibility: 15 mi