Fort Simpson, Northwest Territories, Canada Climate

Weather: 3.31°C/37.96°F, Wind SW at 1.54 km/h, 52% Humidity, 0% Chance of rain

Fort Simpson Climate Summary

Located at an elevation of 122 meters (400.26 feet) above sea level, Fort Simpson has a Subartic, severe winter, no dry season, cool summer climate (Classification: Dfc). The district’s yearly temperature is -1.44ºC (29.41ºF) and it is -3.53% lower than Canada’s averages. Fort Simpson typically receives about 11.07 millimeters (0.44 inches) of precipitation and has 22.29 rainy days (6.11% of the time) annually.

CountryCanada
CityNorthwest Territories
Longitude-121.353033
Latitude61.8627978
Attitude/Elevation122m (400.26ft)
Local timeSaturday 18:29
Annual high temperature1.95ºC (35.51ºF)
Annual low temperature-6.23ºC (20.79ºF)
Average annual precip.11.07mm (0.44in)
Warmest monthJuly (23.48ºC / 74.26ºF)
Coldest MonthJanuary (-25.39ºC / -13.7ºF)
Wettest MonthJune (32.45mm / 1.28in)
Driest MonthFebruary (1.65mm / 0.06in)
Number of days with rainfall (≥ 1.0 mm)22.29 days (6.11%)
Days with no rain342.71 days (93.89%)
Humidity76.56%

Climate Fort Simpson: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)1.0(33.8)1.0(33.8)12.0(53.6)15.0(59.0)29.0(84.2)34.0(93.2)34.0(93.2)33.0(91.4)22.0(71.6)14.0(57.2)-1.0(30.2)6.0(42.8)34.0(93.2)
Average high °C (°F)-20.71(-5.28)-15.24(4.57)-6.06(21.09)1.89(35.4)15.68(60.22)20.24(68.43)23.48(74.26)18.85(65.93)12.22(54.0)2.22(36.0)-11.22(11.8)-17.9(-0.22)1.95(35.51)
Daily mean °C (°F)-22.42(-8.36)-18.75(-1.75)-9.91(14.16)-1.78(28.8)11.0(51.8)16.09(60.96)18.82(65.88)14.66(58.39)8.2(46.76)-0.32(31.42)-13.23(8.19)-19.61(-3.3)-1.44(29.41)
Average low °C (°F)-25.39(-13.7)-23.16(-9.69)-14.62(5.68)-6.54(20.23)3.99(39.18)9.48(49.06)11.48(52.66)8.9(48.02)3.3(37.94)-3.37(25.93)-15.98(3.24)-22.82(-9.08)-6.23(20.79)
Record low °C (°F)-39.0(-38.2)-37.0(-34.6)-32.0(-25.6)-25.0(-13.0)-8.0(17.6)0.0(0)6.0(42.8)0.0(0)-6.0(21.2)-17.0(1.4)-26.0(-14.8)-38.0(-36.4)-39.0(-38.2)
Average precipitation mm (inches)4.83(0.19)1.65(0.06)4.25(0.17)8.73(0.34)7.89(0.31)32.45(1.28)17.62(0.69)28.68(1.13)7.3(0.29)10.22(0.4)6.61(0.26)2.63(0.1)11.07(0.44)
Average precipitation days (≥ 1.0 mm)1.360.550.822.091.643.452.643.911.731.641.550.911.86
Average relative humidity (%)93.1190.7288.0377.5251.1561.0457.8769.2369.577.9490.2192.4476.56
Mean monthly sunshine hours2.965.188.1611.3616.1416.3316.6113.3210.357.413.422.849.51

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Fort Simpson in recent years.

Fort Simpson

Fort Simpson Temperature by Month

July
18.82°C | 65.88°F
June
16.09°C | 60.96°F
August
14.66°C | 58.39°F
May
11.0°C | 51.8°F
September
8.2°C | 46.76°F
October
-0.32°C | 31.42°F
April
-1.78°C | 28.8°F
March
-9.91°C | 14.16°F
November
-13.23°C | 8.19°F
February
-18.75°C | -1.75°F
December
-19.61°C | -3.3°F
January
-22.42°C | -8.36°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature14.0°C (57.2°F)0.55°C (32.99°F)-9.0°C (15.8°F)
Avg Temperature10.0°C (50.0°F)-1.77°C (28.81°F)-12.0°C (10.4°F)
Min Temperature7.0°C (44.6°F)-4.71°C (23.52°F)-17.0°C (1.4°F)
Dew PointMaxAverageMin
Dew Point6.0°C (42.8°F)-6.1°C (21.02°F)-15.0°C (5.0°F)
PrecipitationMaxAverageMinSum
Precipitation22.2mm | 0.87in1.83mm | 0.07in0.0mm | 0in56.8mm | 2.24in
Snowdepth8.9mm | 0.35in0.67mm | 0.03in0.0mm | 0in20.9mm | 0.82in
WindMaxAverageMin
Wind13.0kmh | 8.08mph7.87kmh | 4.89mph4.0kmh | 2.49mph
Gust Wind20.0kmh | 12.43mph12.52kmh | 7.78mph7.0kmh | 4.35mph
Sea Level PressureMaxAverageMin
Sea Level Pressure22.2mb1.83mb0.0mb
Fort Simpson

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
October° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-10-019 | 48.23 | 37.47213 | 8.0829.97 | 10150.0 | 0.0
2020-10-029 | 48.25 | 41.0779 | 5.5930.06 | 10180.0 | 0.0
2020-10-0310 | 50.06 | 42.87611 | 6.8429.68 | 10050.0 | 0.0
2020-10-0410 | 50.04 | 39.2719 | 5.5929.56 | 10010.2 | 0.01
2020-10-056 | 42.85 | 41.0896 | 3.7329.62 | 10034.6 | 0.18
2020-10-067 | 44.66 | 42.8937 | 4.3529.83 | 10105.0 | 0.2
2020-10-074 | 39.22 | 35.6825 | 3.1130.03 | 10170.2 | 0.01
2020-10-084 | 39.23 | 37.4955 | 3.1129.83 | 101022.2 | 0.87
2020-10-094 | 39.22 | 35.6905 | 3.1129.65 | 10040.0 | 0.0
2020-10-104 | 39.22 | 35.6905 | 3.1129.5 | 9990.0 | 0.0
2020-10-112 | 35.60 | 32.0875 | 3.1129.62 | 10030.0 | 0.0
2020-10-12-1 | 30.2-5 | 23.07610 | 6.2129.94 | 10140.0 | 0.0
2020-10-13-3 | 26.6-10 | 14.0649 | 5.5930.06 | 10180.0 | 0.0
2020-10-14-5 | 23.0-13 | 8.66010 | 6.2130.21 | 10230.0 | 0.0
2020-10-15-4 | 24.8-14 | 6.85110 | 6.2130.39 | 10290.0 | 0.0
2020-10-16-6 | 21.2-14 | 6.85612 | 7.4630.36 | 10280.0 | 0.0
2020-10-17-5 | 23.0-13 | 8.65711 | 6.8430.5 | 10330.0 | 0.0
2020-10-18-5 | 23.0-13 | 8.6608 | 4.9730.21 | 10230.0 | 0.0
2020-10-19-6 | 21.2-12 | 10.4657 | 4.3529.97 | 10150.0 | 0.0
2020-10-20-8 | 17.6-13 | 8.67111 | 6.8430.24 | 10240.0 | 0.0
2020-10-21-6 | 21.2-11 | 12.27312 | 7.4630.53 | 10340.1 | 0.0
2020-10-22-5 | 23.0-9 | 15.8818 | 4.9730.65 | 10380.1 | 0.0
2020-10-23-7 | 19.4-13 | 8.6674 | 2.4930.56 | 10350.0 | 0.0
2020-10-24-6 | 21.2-14 | 6.8526 | 3.7330.45 | 10310.0 | 0.0
2020-10-25-6 | 21.2-15 | 5.0506 | 3.7330.09 | 10190.0 | 0.0
2020-10-26-7 | 19.4-10 | 14.07411 | 6.8429.88 | 101210.5 | 0.41
2020-10-27-5 | 23.0-6 | 21.2958 | 4.9729.68 | 10059.7 | 0.38
2020-10-28-12 | 10.4-12 | 10.4954 | 2.4930.03 | 10170.9 | 0.04
2020-10-29-12 | 10.4-13 | 8.6935 | 3.1130.15 | 10210.4 | 0.02
2020-10-30-7 | 19.4-8 | 17.6926 | 3.7329.94 | 10141.4 | 0.06
2020-10-31-8 | 17.6-9 | 15.8936 | 3.7329.85 | 10111.5 | 0.06

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