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Climate & Weather Averages in Fort Simpson, Northwest Territories, Canada

Currently: -22 °F. Partly cloudy. (Weather station: Fort Simpson, Canada). See more current weather

Annual Weather Averages Near Fort Simpson

Averages are for Fort Simpson, which is 8 miles from Fort Simpson.

Based on weather reports collected during 1985–2015.

All Year Climate & Weather Averages in Fort Simpson

High Temp: 75 °F

Low Temp: -19 °F

Mean Temp: 28 °F

Precipitation: 0.65"

Humidity: 73%

Dew Point: 19 °F

Wind: 5 mph

Pressure: 29.97 "Hg

Visibility: 14 mi

January Climate & Weather Averages in Fort Simpson

High Temp: -4 °F

Low Temp: -19 °F

Mean Temp: -11 °F

Precipitation: 0.46"

Humidity: 80%

Dew Point: -15 °F

Wind: 4 mph

Pressure: 30.09 "Hg

Visibility: 13 mi

February Climate & Weather Averages in Fort Simpson

High Temp: 6 °F

Low Temp: -13 °F

Mean Temp: -3 °F

Precipitation: 0.37"

Humidity: 80%

Dew Point: -8 °F

Wind: 5 mph

Pressure: 30.13 "Hg

Visibility: 13 mi

March Climate & Weather Averages in Fort Simpson

High Temp: 20 °F

Low Temp: -3 °F

Mean Temp: 8 °F

Precipitation: 0.36"

Humidity: 76%

Dew Point: 2 °F

Wind: 6 mph

Pressure: 30.08 "Hg

Visibility: 14 mi

April Climate & Weather Averages in Fort Simpson

High Temp: 43 °F

Low Temp: 21 °F

Mean Temp: 32 °F

Precipitation: 0.22"

Humidity: 64%

Dew Point: 20 °F

Wind: 6 mph

Pressure: 30.00 "Hg

Visibility: 14 mi

May Climate & Weather Averages in Fort Simpson

High Temp: 60 °F

Low Temp: 37 °F

Mean Temp: 49 °F

Precipitation: 0.54"

Humidity: 56%

Dew Point: 32 °F

Wind: 6 mph

Pressure: 29.96 "Hg

Visibility: 15 mi

June Climate & Weather Averages in Fort Simpson

High Temp: 72 °F

Low Temp: 48 °F

Mean Temp: 60 °F

Precipitation: 1.07"

Humidity: 60%

Dew Point: 45 °F

Wind: 5 mph

Pressure: 29.88 "Hg

Visibility: 15 mi

July Climate & Weather Averages in Fort Simpson

High Temp: 75 °F

Low Temp: 53 °F

Mean Temp: 64 °F

Precipitation: 1.15"

Humidity: 66%

Dew Point: 51 °F

Wind: 5 mph

Pressure: 29.87 "Hg

Visibility: 14 mi

August Climate & Weather Averages in Fort Simpson

High Temp: 71 °F

Low Temp: 48 °F

Mean Temp: 59 °F

Precipitation: 1.19"

Humidity: 71%

Dew Point: 48 °F

Wind: 5 mph

Pressure: 29.88 "Hg

Visibility: 14 mi

September Climate & Weather Averages in Fort Simpson

High Temp: 58 °F

Low Temp: 37 °F

Mean Temp: 47 °F

Precipitation: 0.68"

Humidity: 75%

Dew Point: 39 °F

Wind: 5 mph

Pressure: 29.87 "Hg

Visibility: 14 mi

October Climate & Weather Averages in Fort Simpson

High Temp: 36 °F

Low Temp: 23 °F

Mean Temp: 30 °F

Precipitation: 0.74"

Humidity: 86%

Dew Point: 26 °F

Wind: 5 mph

Pressure: 29.90 "Hg

Visibility: 12 mi

November Climate & Weather Averages in Fort Simpson

High Temp: 12 °F

Low Temp: -2 °F

Mean Temp: 5 °F

Precipitation: 0.61"

Humidity: 85%

Dew Point: 2 °F

Wind: 5 mph

Pressure: 29.98 "Hg

Visibility: 12 mi

December Climate & Weather Averages in Fort Simpson

High Temp: 1 °F

Low Temp: -14 °F

Mean Temp: -7 °F

Precipitation: 0.46"

Humidity: 82%

Dew Point: -10 °F

Wind: 4 mph

Pressure: 30.02 "Hg

Visibility: 13 mi

Quick Climate Info

Hottest MonthJuly (64 °F avg)
Coldest MonthJanuary (-11 °F avg)
Wettest MonthAugust (1.19" avg)
Windiest MonthMay (6 mph avg)
Annual precip.7.85" (per year)

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