Annual Weather Averages Near Chemainus
Averages are for North Cowichan, which is 8 miles from Chemainus.
Based on weather reports collected during 1985–2015.
All Year Climate & Weather Averages in Chemainus
High Temp: 76 °F
Low Temp: 30 °F
Mean Temp: 50 °F
Precipitation: 1.33"
Humidity: 75%
Dew Point: 43 °F
Wind: 5 mph
Pressure: 30.03 "Hg
Visibility: 21 mi
January Climate & Weather Averages in Chemainus
High Temp: 44 °F
Low Temp: 30 °F
Mean Temp: 37 °F
Precipitation: 2.60"
Humidity: 89%
Dew Point: 35 °F
Wind: 3 mph
Pressure: 30.04 "Hg
Visibility: 14 mi
February Climate & Weather Averages in Chemainus
High Temp: 47 °F
Low Temp: 30 °F
Mean Temp: 38 °F
Precipitation: 1.51"
Humidity: 82%
Dew Point: 35 °F
Wind: 4 mph
Pressure: 30.04 "Hg
Visibility: 19 mi
March Climate & Weather Averages in Chemainus
High Temp: 51 °F
Low Temp: 34 °F
Mean Temp: 42 °F
Precipitation: 1.49"
Humidity: 77%
Dew Point: 37 °F
Wind: 5 mph
Pressure: 30.01 "Hg
Visibility: 20 mi
April Climate & Weather Averages in Chemainus
High Temp: 57 °F
Low Temp: 38 °F
Mean Temp: 47 °F
Precipitation: 0.89"
Humidity: 70%
Dew Point: 39 °F
Wind: 5 mph
Pressure: 30.03 "Hg
Visibility: 23 mi
May Climate & Weather Averages in Chemainus
High Temp: 64 °F
Low Temp: 45 °F
Mean Temp: 54 °F
Precipitation: 0.90"
Humidity: 66%
Dew Point: 45 °F
Wind: 5 mph
Pressure: 30.02 "Hg
Visibility: 24 mi
June Climate & Weather Averages in Chemainus
High Temp: 69 °F
Low Temp: 51 °F
Mean Temp: 60 °F
Precipitation: 0.58"
Humidity: 64%
Dew Point: 50 °F
Wind: 5 mph
Pressure: 30.02 "Hg
Visibility: 25 mi
July Climate & Weather Averages in Chemainus
High Temp: 76 °F
Low Temp: 55 °F
Mean Temp: 65 °F
Precipitation: 0.33"
Humidity: 61%
Dew Point: 53 °F
Wind: 5 mph
Pressure: 30.03 "Hg
Visibility: 26 mi
August Climate & Weather Averages in Chemainus
High Temp: 76 °F
Low Temp: 54 °F
Mean Temp: 65 °F
Precipitation: 0.33"
Humidity: 63%
Dew Point: 54 °F
Wind: 5 mph
Pressure: 30.01 "Hg
Visibility: 26 mi
September Climate & Weather Averages in Chemainus
High Temp: 70 °F
Low Temp: 48 °F
Mean Temp: 59 °F
Precipitation: 0.36"
Humidity: 68%
Dew Point: 50 °F
Wind: 4 mph
Pressure: 30.03 "Hg
Visibility: 25 mi
October Climate & Weather Averages in Chemainus
High Temp: 58 °F
Low Temp: 41 °F
Mean Temp: 50 °F
Precipitation: 1.48"
Humidity: 80%
Dew Point: 45 °F
Wind: 4 mph
Pressure: 30.05 "Hg
Visibility: 19 mi
November Climate & Weather Averages in Chemainus
High Temp: 49 °F
Low Temp: 35 °F
Mean Temp: 42 °F
Precipitation: 2.91"
Humidity: 87%
Dew Point: 39 °F
Wind: 4 mph
Pressure: 30.02 "Hg
Visibility: 16 mi
December Climate & Weather Averages in Chemainus
High Temp: 44 °F
Low Temp: 31 °F
Mean Temp: 37 °F
Precipitation: 2.55"
Humidity: 90%
Dew Point: 35 °F
Wind: 4 mph
Pressure: 30.04 "Hg
Visibility: 15 mi