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Fort Simpson, Northwest Territories Climate & Temperature

  • Fort Simpson, Northwest Territories, Canada is at 6145'N, 12114'W, 169 m (555 ft). See map.
  • Fort Simpson, Northwest Territories has a subarctic climate that has severe winters, no dry season, with cool, short summers and strong seasonality (Kppen-Geiger classification: Dfc).
  • According to the Holdridge life zones system of bioclimatic classification Fort Simpson, Northwest Territories is situated in or near the boreal moist forest biome.
  • The average annual temperature is -3.7 degrees Celsius (25.3 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.
  • Average monthly temperatures vary by 43.6 °C (78.5°F). This indicates that the continentality type is continental, subtype truly continental. Fort Simpson, Northwest Territories Climate Graph
  • In the winter time records indicate temperatures by day reach -19.4°C (-2.9°F) on average falling to -29.1°C (-20.4°F) overnight.
  • In spring time temperatures climb reaching 4.3°C (39.7°F) generally in the afternoon with overnight lows of -9°C (15.8°F).
  • During summer average high temperatures are 21.8°C (71.3°F) and average low temperatures are 8.7°C (47.6°F).
  • Come autumn/ fall temperatures decrease achieving average highs of 0.9°C (33.6°F) during the day and lows of -8.5°C (16.8°F) generally shortly after sunrise.
  • Total annual Precipitation averages 360.4 mm (14.2 inches) which is equivalent to 360.4 Litres/m (8.84 Gallons/ft).
  • On average there are 1725 hours of sunshine per year. Visit the sunshine and daylight section to check monthly details including how high in the sky the sun reaches each month.
  • Were you to burrow down through the centre of the Earth from Fort Simpson, Northwest Territories you would pop up nearest to the climate station at Davis, Antarctica where you would find a Tundra climate.

Fort Simpson, Northwest Territories Climate Table

  Climate Variable Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
 
Average Max Temperature °C ( °F) -22 (-8) -16 (2) -7 (19) 5 (41) 15 (59) 21 (70) 23 (74) 21 (69) 13 (56) 2 (36) -13 (9) -20 (-3) 2 (35)
 
Average Temperature °C ( °F) -27 (-16) -22 (-8) -14 (6) -1 (30) 9 (47) 15 (58) 17 (62) 14 (58) 8 (46) -2 (28) -17 (2) -24 (-11) -4 (25)
 
Average Min Temperature °C ( °F) -31 (-24) -28 (-18) -21 (-6) -8 (18) 2 (35) 8 (46) 10 (51) 8 (46) 2 (35) -6 (21) -21 (-6) -28 (-19) -10 (15)
 
Average Precipitation mm (in) 20 (1) 18 (1) 18 (1) 16 (1) 30 (1) 44 (2) 53 (2) 51 (2) 30 (1) 36 (1) 26 (1) 19 (1) 360 (14)
Number of Wet Days (probability of rain on a day %) 9 (29) 8 (28) 9 (29) 7 (23) 8 (26) 9 (30) 10 (32) 9 (29) 8 (27) 8 (26) 10 (33) 11 (35) 106 (29)
Average Sunlight Hours/ Day 1h 29' 3h 04' 4h 03' 6h 20' 8h 25' 8h 18' 8h 01' 7h 34' 4h 00' 2h 54' 1h 34' 0h 48' 4h 43'
Average Daylight Hours/ Day 6h 18' 8h 50' 11h 45' 14h 47' 17h 38' 19h 22' 18h 33' 15h 56' 12h 55' 9h 53' 7h 03' 5h 23' 12h 00'
Percentage of Sunny (Cloudy) Daylight Hours 25 (75) 36 (64) 36 (64) 44 (56) 49 (51) 44 (56) 44 (56) 49 (51) 32 (68) 31 (69) 23 (77) 16 (84) 39 (61)
Sun altitude at solar noon on the 21st day (). 8.5 17.9 28.7 40.3 48.5 51.7 48.6 40.2 28.7 17.3 8.3 5 28.6

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