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

Currently: 68 °F. Broken clouds. (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 1992–2021.

All Year Climate & Weather Averages in Fort Simpson

High Temp: 77 °F

Low Temp: -18 °F

Mean Temp: 28 °F

Precipitation: 1.28"

Humidity: 73%

Dew Point: 19 °F

Wind: 9 mph

Pressure: 29.97 "Hg

Visibility: 14 mi

January Climate & Weather Averages in Fort Simpson

High Temp: -2 °F

Low Temp: -18 °F

Mean Temp: -10 °F

Precipitation: 0.75"

Humidity: 80%

Dew Point: -14 °F

Wind: 7 mph

Pressure: 30.10 "Hg

Visibility: 13 mi

February Climate & Weather Averages in Fort Simpson

High Temp: 7 °F

Low Temp: -13 °F

Mean Temp: -3 °F

Precipitation: 0.64"

Humidity: 79%

Dew Point: -8 °F

Wind: 9 mph

Pressure: 30.13 "Hg

Visibility: 13 mi

March Climate & Weather Averages in Fort Simpson

High Temp: 22 °F

Low Temp: -3 °F

Mean Temp: 9 °F

Precipitation: 0.64"

Humidity: 74%

Dew Point: 2 °F

Wind: 10 mph

Pressure: 30.09 "Hg

Visibility: 14 mi

April Climate & Weather Averages in Fort Simpson

High Temp: 43 °F

Low Temp: 19 °F

Mean Temp: 31 °F

Precipitation: 0.61"

Humidity: 63%

Dew Point: 19 °F

Wind: 11 mph

Pressure: 30.01 "Hg

Visibility: 14 mi

May Climate & Weather Averages in Fort Simpson

High Temp: 62 °F

Low Temp: 36 °F

Mean Temp: 49 °F

Precipitation: 1.23"

Humidity: 55%

Dew Point: 32 °F

Wind: 11 mph

Pressure: 29.98 "Hg

Visibility: 15 mi

June Climate & Weather Averages in Fort Simpson

High Temp: 73 °F

Low Temp: 48 °F

Mean Temp: 61 °F

Precipitation: 2.21"

Humidity: 59%

Dew Point: 45 °F

Wind: 10 mph

Pressure: 29.87 "Hg

Visibility: 15 mi

July Climate & Weather Averages in Fort Simpson

High Temp: 77 °F

Low Temp: 52 °F

Mean Temp: 64 °F

Precipitation: 2.35"

Humidity: 66%

Dew Point: 51 °F

Wind: 9 mph

Pressure: 29.87 "Hg

Visibility: 14 mi

August Climate & Weather Averages in Fort Simpson

High Temp: 72 °F

Low Temp: 48 °F

Mean Temp: 60 °F

Precipitation: 2.41"

Humidity: 71%

Dew Point: 49 °F

Wind: 9 mph

Pressure: 29.87 "Hg

Visibility: 14 mi

September Climate & Weather Averages in Fort Simpson

High Temp: 59 °F

Low Temp: 37 °F

Mean Temp: 48 °F

Precipitation: 1.40"

Humidity: 75%

Dew Point: 39 °F

Wind: 9 mph

Pressure: 29.87 "Hg

Visibility: 14 mi

October Climate & Weather Averages in Fort Simpson

High Temp: 38 °F

Low Temp: 24 °F

Mean Temp: 31 °F

Precipitation: 1.21"

Humidity: 85%

Dew Point: 26 °F

Wind: 9 mph

Pressure: 29.89 "Hg

Visibility: 13 mi

November Climate & Weather Averages in Fort Simpson

High Temp: 14 °F

Low Temp: -1 °F

Mean Temp: 7 °F

Precipitation: 1.01"

Humidity: 85%

Dew Point: 3 °F

Wind: 8 mph

Pressure: 29.97 "Hg

Visibility: 13 mi

December Climate & Weather Averages in Fort Simpson

High Temp: 1 °F

Low Temp: -15 °F

Mean Temp: -7 °F

Precipitation: 0.89"

Humidity: 81%

Dew Point: -11 °F

Wind: 7 mph

Pressure: 30.02 "Hg

Visibility: 13 mi

Quick Climate Info

Hottest MonthJuly (64 °F avg)
Coldest MonthJanuary (-10 °F avg)
Wettest MonthAugust (2.41" avg)
Windiest MonthMay (11 mph avg)
Annual precip.15.36" (per year)

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