Annual Weather Averages Near Fort St. John
Averages are for Fort St John, which is 4 miles from Fort St. John.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Fort St. John
High Temp: 71 °F
Low Temp: 3 °F
Mean Temp: 37 °F
Precipitation: 1.64"
Humidity: 67%
Dew Point: 25 °F
Wind: 16 mph
Pressure: 29.98 "Hg
Visibility: 16 mi
January Climate & Weather Averages in Fort St. John
High Temp: 17 °F
Low Temp: 3 °F
Mean Temp: 10 °F
Precipitation: 1.18"
Humidity: 73%
Dew Point: 3 °F
Wind: 16 mph
Pressure: 30.04 "Hg
Visibility: 14 mi
February Climate & Weather Averages in Fort St. John
High Temp: 23 °F
Low Temp: 7 °F
Mean Temp: 15 °F
Precipitation: 0.94"
Humidity: 70%
Dew Point: 6 °F
Wind: 16 mph
Pressure: 30.06 "Hg
Visibility: 15 mi
March Climate & Weather Averages in Fort St. John
High Temp: 32 °F
Low Temp: 15 °F
Mean Temp: 23 °F
Precipitation: 1.85"
Humidity: 65%
Dew Point: 12 °F
Wind: 16 mph
Pressure: 30.01 "Hg
Visibility: 16 mi
April Climate & Weather Averages in Fort St. John
High Temp: 48 °F
Low Temp: 29 °F
Mean Temp: 39 °F
Precipitation: 1.01"
Humidity: 57%
Dew Point: 23 °F
Wind: 17 mph
Pressure: 29.97 "Hg
Visibility: 18 mi
May Climate & Weather Averages in Fort St. John
High Temp: 61 °F
Low Temp: 40 °F
Mean Temp: 50 °F
Precipitation: 1.49"
Humidity: 53%
Dew Point: 32 °F
Wind: 17 mph
Pressure: 29.97 "Hg
Visibility: 18 mi
June Climate & Weather Averages in Fort St. John
High Temp: 68 °F
Low Temp: 48 °F
Mean Temp: 58 °F
Precipitation: 2.83"
Humidity: 61%
Dew Point: 43 °F
Wind: 15 mph
Pressure: 29.91 "Hg
Visibility: 18 mi
July Climate & Weather Averages in Fort St. John
High Temp: 71 °F
Low Temp: 51 °F
Mean Temp: 61 °F
Precipitation: 2.95"
Humidity: 66%
Dew Point: 48 °F
Wind: 15 mph
Pressure: 29.95 "Hg
Visibility: 17 mi
August Climate & Weather Averages in Fort St. John
High Temp: 70 °F
Low Temp: 49 °F
Mean Temp: 59 °F
Precipitation: 1.86"
Humidity: 67%
Dew Point: 46 °F
Wind: 14 mph
Pressure: 29.96 "Hg
Visibility: 16 mi
September Climate & Weather Averages in Fort St. John
High Temp: 61 °F
Low Temp: 41 °F
Mean Temp: 51 °F
Precipitation: 1.70"
Humidity: 67%
Dew Point: 39 °F
Wind: 16 mph
Pressure: 29.95 "Hg
Visibility: 17 mi
October Climate & Weather Averages in Fort St. John
High Temp: 46 °F
Low Temp: 31 °F
Mean Temp: 39 °F
Precipitation: 1.31"
Humidity: 70%
Dew Point: 28 °F
Wind: 17 mph
Pressure: 29.94 "Hg
Visibility: 16 mi
November Climate & Weather Averages in Fort St. John
High Temp: 28 °F
Low Temp: 15 °F
Mean Temp: 22 °F
Precipitation: 1.42"
Humidity: 77%
Dew Point: 15 °F
Wind: 16 mph
Pressure: 29.96 "Hg
Visibility: 14 mi
December Climate & Weather Averages in Fort St. John
High Temp: 19 °F
Low Temp: 5 °F
Mean Temp: 12 °F
Precipitation: 1.20"
Humidity: 74%
Dew Point: 5 °F
Wind: 16 mph
Pressure: 30.00 "Hg
Visibility: 14 mi