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Monthly climate in Fort McPherson, Northwest Territories, Canada

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Fort McPherson features a subarctic climate (Dfc).Temperatures typically range between -24 °C (-12 °F) and 15 °C (60 °F) through the year, but rarely can drop to -46 °C (-50 °F) or can rise to as high as 31 °C (88 °F).The average annual precipitation amounts to about 368 mm (14.5 inches) and receives 90 rainy days on the 1 mm (0.04 inches) threshold annually.Fort McPherson enjoys an average of 2327 hours of sunshine throughout the year, and daylight varies from 5 hours 4 minutes to 24 hours 0 minutes per day.

Monthly average temperatures in Fort McPherson, Northwest Territories, Canada §

The warmest months in Fort McPherson are June, July and August, with daily mean temperatures ranging from 12 to 15 °C (53 - 60 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -24 to -23 °C (-12 - -10 °F) throughout the day. On average each year, Fort McPherson experiences 9 days above 25 °C (77.0 °F) and 219 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Fort McPherson, Northwest Territories, Canada.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 4°C
(39°F)		 2°C
(35°F)		 9°C
(48°F)		 11°C
(53°F)		 22°C
(73°F)		 31°C
(88°F)		 31°C
(88°F)		 29°C
(84°F)		 23°C
(74°F)		 15°C
(59°F)		 3°C
(37°F)		 1°C
(34°F)
Mean maximum -3°C
(26°F)		 -5°C
(23°F)		 1°C
(35°F)		 8°C
(46°F)		 20°C
(69°F)		 24°C
(76°F)		 29°C
(85°F)		 26°C
(79°F)		 18°C
(65°F)		 9°C
(49°F)		 -1°C
(30°F)		 -2°C
(29°F)
Average high -22°C
(-7°F)		 -20°C
(-4°F)		 -12°C
(11°F)		 -4°C
(25°F)		 9°C
(48°F)		 17°C
(64°F)		 21°C
(69°F)		 16°C
(61°F)		 9°C
(49°F)		 -1°C
(31°F)		 -14°C
(7°F)		 -20°C
(-4°F)
Daily mean -24°C
(-12°F)		 -24°C
(-11°F)		 -17°C
(1°F)		 -9°C
(16°F)		 4°C
(39°F)		 12°C
(55°F)		 15°C
(60°F)		 12°C
(53°F)		 6°C
(42°F)		 -3°C
(27°F)		 -17°C
(2°F)		 -23°C
(-10°F)
Average low -28°C
(-17°F)		 -27°C
(-17°F)		 -22°C
(-7°F)		 -14°C
(7°F)		 -1°C
(30°F)		 7°C
(45°F)		 10°C
(51°F)		 7°C
(46°F)		 2°C
(36°F)		 -5°C
(23°F)		 -20°C
(-3°F)		 -27°C
(-16°F)
Mean minimum -41°C
(-42°F)		 -40°C
(-40°F)		 -32°C
(-26°F)		 -25°C
(-12°F)		 -10°C
(14°F)		 1°C
(34°F)		 4°C
(39°F)		 2°C
(35°F)		 -4°C
(24°F)		 -15°C
(6°F)		 -33°C
(-28°F)		 -39°C
(-38°F)
Minimum -43°C
(-45°F)		 -46°C
(-50°F)		 -36°C
(-32°F)		 -30°C
(-23°F)		 -19°C
(-1°F)		 -2°C
(29°F)		 2°C
(35°F)		 0°C
(32°F)		 -9°C
(16°F)		 -18°C
(1°F)		 -40°C
(-39°F)		 -44°C
(-47°F)

Compare climate in Fort McPherson with other places

Compare temperature, precipitation, sunshine, UV index in Fort McPherson, Northwest Territories, Canada with other places around the world.

Monthly average precipitation in Fort McPherson, Northwest Territories, Canada §

Fort McPherson usually has the most precipitation in July, August and September, with an average of 12 rainy days and 55 mm (2.2 inches) of precipitation per month.The driest months in Fort McPherson are February, March and April. On average, 15 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Fort McPherson, Northwest Territories, Canada.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 24 (0.9) 15 (0.6) 15 (0.6) 16 (0.6) 22 (0.9) 33 (1.3) 44 (1.7) 72 (2.8) 50 (2.0) 31 (1.2) 22 (0.9) 25 (1.0)
Average precipitation days (≥ 1 mm) 7 4 4 5 5 7 10 14 12 8 6 8

Monthly sunshine hours in Fort McPherson, Northwest Territories, Canada §

The sunniest months in Fort McPherson are May, June and July, when the sun shines an average of 12 hours 9 minutes a day.Least sunny months in Fort McPherson: January, November and December receive an average of 0 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Fort McPherson, Northwest Territories, Canada.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 24 109 210 312 339 413 366 231 158 105 53 2
Mean daily daylight hours 9h 24m 7h 57m 11h 50m 15h 47m 20h 31m 24h 0m 22h 8m 17h 1m 13h 2m 9h 11m 5h 4m 6h 44m

Solar UV radiation in Fort McPherson, Northwest Territories, Canada §

Fort McPherson experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 4 - 5, which corresponds to the Moderate category of sun exposure.January, February and October are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 1. For more detailed information, check out our hourly Fort McPherson UV Index data.

Average daily maximum UV levels by month for Fort McPherson, Northwest Territories, Canada.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 1 1 2 3 4 5 5 4 3 1 1 1