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Monthly climate in Prudhoe Bay, Alaska, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Prudhoe Bay features a subarctic climate (Dsc).Temperatures typically range between -25 °C (-12 °F) and 7 °C (45 °F) through the year, but rarely can drop to -44 °C (-47 °F) or can rise to as high as 21 °C (70 °F).The average annual precipitation amounts to about 334 mm (13.1 inches) and receives 74 rainy days on the 1 mm (0.04 inches) threshold annually.Prudhoe Bay enjoys an average of 1867 hours of sunshine throughout the year, and daylight varies from 0 hours 0 minutes to 24 hours 0 minutes per day.

Monthly average temperatures in Prudhoe Bay, Alaska, United States §

The warmest months in Prudhoe Bay are June, July and August, with daily mean temperatures ranging from 3 to 7 °C (37 - 45 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -25 to -21 °C (-12 - -5 °F) throughout the day. On average each year, Prudhoe Bay experiences 0 days above 25 °C (77.0 °F) and 247 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Prudhoe Bay, 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 1°C
(34°F)		 -1°C
(31°F)		 2°C
(35°F)		 2°C
(36°F)		 7°C
(45°F)		 19°C
(67°F)		 21°C
(70°F)		 20°C
(68°F)		 16°C
(61°F)		 8°C
(46°F)		 0°C
(33°F)		 -0°C
(32°F)
Mean maximum -7°C
(20°F)		 -8°C
(17°F)		 -3°C
(27°F)		 -1°C
(30°F)		 6°C
(42°F)		 13°C
(55°F)		 19°C
(66°F)		 16°C
(61°F)		 12°C
(55°F)		 3°C
(38°F)		 -1°C
(30°F)		 -4°C
(25°F)
Average high -22°C
(-7°F)		 -22°C
(-7°F)		 -17°C
(2°F)		 -11°C
(13°F)		 -1°C
(30°F)		 5°C
(42°F)		 10°C
(50°F)		 7°C
(45°F)		 4°C
(40°F)		 -2°C
(28°F)		 -11°C
(12°F)		 -19°C
(-1°F)
Daily mean -24°C
(-12°F)		 -25°C
(-12°F)		 -20°C
(-3°F)		 -14°C
(8°F)		 -3°C
(27°F)		 3°C
(37°F)		 7°C
(45°F)		 5°C
(42°F)		 2°C
(37°F)		 -4°C
(25°F)		 -13°C
(9°F)		 -21°C
(-5°F)
Average low -27°C
(-16°F)		 -27°C
(-17°F)		 -22°C
(-8°F)		 -16°C
(3°F)		 -5°C
(24°F)		 0°C
(33°F)		 4°C
(40°F)		 3°C
(38°F)		 1°C
(34°F)		 -6°C
(22°F)		 -16°C
(4°F)		 -23°C
(-9°F)
Mean minimum -37°C
(-34°F)		 -38°C
(-36°F)		 -33°C
(-26°F)		 -26°C
(-14°F)		 -13°C
(10°F)		 -2°C
(29°F)		 1°C
(34°F)		 1°C
(33°F)		 -3°C
(27°F)		 -15°C
(5°F)		 -27°C
(-16°F)		 -34°C
(-28°F)
Minimum -39°C
(-38°F)		 -44°C
(-47°F)		 -39°C
(-38°F)		 -34°C
(-28°F)		 -19°C
(-2°F)		 -3°C
(28°F)		 -1°C
(31°F)		 -1°C
(30°F)		 -5°C
(23°F)		 -18°C
(-0°F)		 -36°C
(-33°F)		 -39°C
(-38°F)

Compare climate in Prudhoe Bay with other places

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

Monthly average precipitation in Prudhoe Bay, Alaska, United States §

Prudhoe Bay usually has the most precipitation in July, August and September, with an average of 11 rainy days and 59 mm (2.3 inches) of precipitation per month.The driest months in Prudhoe Bay are January, April and May. On average, 12 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Prudhoe Bay, 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) 11 (0.4) 19 (0.7) 16 (0.6) 12 (0.5) 12 (0.5) 17 (0.7) 59 (2.3) 71 (2.8) 45 (1.8) 27 (1.1) 25 (1.0) 19 (0.8)
Average precipitation days (≥ 1 mm) 3 5 4 2 3 4 12 12 9 8 7 5

Monthly sunshine hours in Prudhoe Bay, Alaska, United States §

The sunniest months in Prudhoe Bay are April, June and July, when the sun shines an average of 11 hours 2 minutes a day.Least sunny months in Prudhoe Bay: January, November and December receive an average of 0 hours 8 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Prudhoe Bay, 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 1 75 200 306 255 392 306 117 117 82 11 0
Mean daily daylight hours 4h 50m 7h 11m 11h 49m 16h 29m 22h 36m 24h 0m 23h 45m 18h 4m 13h 12m 8h 41m 5h 5m 0h 0m

Solar UV radiation in Prudhoe Bay, Alaska, United States §

Prudhoe Bay 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.February, October and December 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 Prudhoe Bay UV Index data.

Average daily maximum UV levels by month for Prudhoe Bay, 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 0