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Monthly climate in Fort Yukon, Alaska, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Fort Yukon features a subarctic climate (Dfc).Temperatures typically range between -26 °C (-14 °F) and 19 °C (67 °F) through the year, but rarely can drop to -48 °C (-54 °F) or can rise to as high as 33 °C (91 °F).The average annual precipitation amounts to about 269 mm (10.6 inches) and receives 66 rainy days on the 1 mm (0.04 inches) threshold annually.Fort Yukon enjoys an average of 2717 hours of sunshine throughout the year, and daylight varies from 4 hours 21 minutes to 23 hours 50 minutes per day.

Monthly average temperatures in Fort Yukon, Alaska, United States §

The warmest months in Fort Yukon are June, July and August, with daily mean temperatures ranging from 14 to 19 °C (57 - 67 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -26 to -22 °C (-14 - -7 °F) throughout the day. On average each year, Fort Yukon experiences 18 days above 25 °C (77.0 °F) and 201 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 Yukon, Alaska, United States.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 2°C
(36°F)		 1°C
(34°F)		 6°C
(42°F)		 16°C
(61°F)		 25°C
(78°F)		 32°C
(90°F)		 33°C
(91°F)		 31°C
(87°F)		 21°C
(71°F)		 14°C
(58°F)		 2°C
(35°F)		 0°C
(32°F)
Mean maximum -3°C
(26°F)		 -5°C
(23°F)		 0°C
(33°F)		 12°C
(53°F)		 23°C
(73°F)		 29°C
(84°F)		 30°C
(87°F)		 27°C
(82°F)		 19°C
(66°F)		 10°C
(50°F)		 -2°C
(29°F)		 -3°C
(27°F)
Average high -22°C
(-7°F)		 -20°C
(-4°F)		 -9°C
(15°F)		 2°C
(36°F)		 15°C
(59°F)		 22°C
(72°F)		 24°C
(76°F)		 18°C
(65°F)		 12°C
(53°F)		 1°C
(33°F)		 -14°C
(7°F)		 -18°C
(-1°F)
Daily mean -26°C
(-14°F)		 -25°C
(-12°F)		 -15°C
(5°F)		 -3°C
(26°F)		 10°C
(50°F)		 18°C
(64°F)		 19°C
(67°F)		 14°C
(57°F)		 7°C
(45°F)		 -2°C
(28°F)		 -17°C
(2°F)		 -22°C
(-7°F)
Average low -29°C
(-20°F)		 -29°C
(-20°F)		 -21°C
(-5°F)		 -9°C
(16°F)		 4°C
(40°F)		 12°C
(53°F)		 14°C
(58°F)		 10°C
(50°F)		 3°C
(38°F)		 -5°C
(24°F)		 -20°C
(-3°F)		 -25°C
(-13°F)
Mean minimum -45°C
(-48°F)		 -45°C
(-48°F)		 -37°C
(-34°F)		 -22°C
(-7°F)		 -3°C
(26°F)		 6°C
(43°F)		 10°C
(50°F)		 4°C
(40°F)		 -5°C
(24°F)		 -14°C
(7°F)		 -34°C
(-28°F)		 -40°C
(-40°F)
Minimum -48°C
(-54°F)		 -48°C
(-54°F)		 -45°C
(-49°F)		 -34°C
(-30°F)		 -7°C
(21°F)		 3°C
(37°F)		 7°C
(45°F)		 3°C
(38°F)		 -9°C
(15°F)		 -21°C
(-6°F)		 -39°C
(-39°F)		 -47°C
(-53°F)

Compare climate in Fort Yukon with other places

Compare temperature, precipitation, sunshine, UV index in Fort Yukon, Alaska, United States with other places around the world.

Monthly average precipitation in Fort Yukon, Alaska, United States §

Fort Yukon usually has the most precipitation in July, August and September, with an average of 8 rainy days and 39 mm (1.5 inches) of precipitation per month.The driest months in Fort Yukon are January, March and April. On average, 10 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Fort Yukon, Alaska, United States.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) 10 (0.4) 13 (0.5) 11 (0.4) 10 (0.4) 22 (0.9) 27 (1.1) 27 (1.1) 61 (2.4) 30 (1.2) 23 (0.9) 16 (0.6) 20 (0.8)
Average precipitation days (≥ 1 mm) 3 4 3 2 5 7 6 12 7 8 4 5

Monthly sunshine hours in Fort Yukon, Alaska, United States §

The sunniest months in Fort Yukon are May, June and July, when the sun shines an average of 13 hours 56 minutes a day.Least sunny months in Fort Yukon: January, November and December receive an average of 1 hours 21 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Fort Yukon, Alaska, United States.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 34 117 231 330 418 461 402 283 218 127 71 19
Mean daily daylight hours 4h 21m 8h 9m 11h 51m 15h 37m 19h 46m 23h 50m 21h 20m 16h 46m 12h 59m 9h 18m 5h 29m 14h 8m

Solar UV radiation in Fort Yukon, Alaska, United States §

Fort Yukon experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 5 - 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 Yukon UV Index data.

Average daily maximum UV levels by month for Fort Yukon, Alaska, United States.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 5 5 5 4 3 1 1 1