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Monthly climate in Wasilla, Alaska, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Wasilla features a subarctic climate (Dfc).Temperatures typically range between -11 °C (13 °F) and 15 °C (60 °F) through the year, but rarely can drop to -33 °C (-28 °F) or can rise to as high as 29 °C (84 °F).The average annual precipitation amounts to about 1081 mm (42.6 inches) and receives 173 rainy days on the 1 mm (0.04 inches) threshold annually.Wasilla enjoys an average of 2289 hours of sunshine throughout the year, and daylight varies from 5 hours 26 minutes to 19 hours 21 minutes per day.

Monthly average temperatures in Wasilla, Alaska, United States §

The warmest months in Wasilla are June, July and August, with daily mean temperatures ranging from 13 to 15 °C (55 - 60 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -11 to -7 °C (13 - 20 °F) throughout the day. On average each year, Wasilla experiences 1 days above 25 °C (77.0 °F) and 173 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Wasilla, 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 6°C
(43°F)		 6°C
(43°F)		 10°C
(50°F)		 18°C
(64°F)		 21°C
(71°F)		 27°C
(81°F)		 29°C
(84°F)		 24°C
(76°F)		 20°C
(68°F)		 15°C
(58°F)		 6°C
(43°F)		 6°C
(44°F)
Mean maximum 4°C
(40°F)		 2°C
(36°F)		 5°C
(41°F)		 13°C
(55°F)		 19°C
(66°F)		 22°C
(72°F)		 25°C
(77°F)		 24°C
(75°F)		 18°C
(64°F)		 12°C
(54°F)		 4°C
(40°F)		 5°C
(40°F)
Average high -8°C
(18°F)		 -5°C
(24°F)		 -0°C
(31°F)		 7°C
(44°F)		 13°C
(55°F)		 17°C
(62°F)		 19°C
(67°F)		 17°C
(63°F)		 13°C
(55°F)		 6°C
(43°F)		 -3°C
(26°F)		 -4°C
(24°F)
Daily mean -11°C
(13°F)		 -8°C
(17°F)		 -5°C
(23°F)		 2°C
(36°F)		 9°C
(48°F)		 13°C
(55°F)		 15°C
(60°F)		 13°C
(57°F)		 9°C
(48°F)		 3°C
(37°F)		 -6°C
(21°F)		 -7°C
(20°F)
Average low -14°C
(7°F)		 -12°C
(11°F)		 -10°C
(15°F)		 -3°C
(27°F)		 4°C
(39°F)		 9°C
(48°F)		 12°C
(53°F)		 10°C
(50°F)		 6°C
(42°F)		 -0°C
(32°F)		 -9°C
(16°F)		 -10°C
(14°F)
Mean minimum -28°C
(-18°F)		 -23°C
(-9°F)		 -20°C
(-4°F)		 -11°C
(13°F)		 -2°C
(29°F)		 5°C
(41°F)		 8°C
(47°F)		 5°C
(40°F)		 -1°C
(30°F)		 -9°C
(16°F)		 -20°C
(-4°F)		 -23°C
(-9°F)
Minimum -33°C
(-28°F)		 -27°C
(-16°F)		 -25°C
(-13°F)		 -18°C
(-1°F)		 -6°C
(22°F)		 2°C
(36°F)		 7°C
(45°F)		 3°C
(37°F)		 -7°C
(20°F)		 -14°C
(7°F)		 -31°C
(-23°F)		 -28°C
(-18°F)

Compare climate in Wasilla with other places

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

Monthly average precipitation in Wasilla, Alaska, United States §

Wasilla usually has the most precipitation in August, September and October, with an average of 17 rainy days and 141 mm (5.6 inches) of precipitation per month.The driest months in Wasilla are January, March and April. On average, 50 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Wasilla, 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) 54 (2.1) 55 (2.2) 50 (2.0) 45 (1.8) 77 (3.0) 89 (3.5) 100 (3.9) 156 (6.1) 126 (5.0) 142 (5.6) 86 (3.4) 101 (4.0)
Average precipitation days (≥ 1 mm) 10 11 9 9 16 19 16 18 18 17 13 17

Monthly sunshine hours in Wasilla, Alaska, United States §

The sunniest months in Wasilla are May, June and July, when the sun shines an average of 9 hours 54 minutes a day.Least sunny months in Wasilla: January, November and December receive an average of 2 hours 3 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Wasilla, 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 55 124 206 273 292 316 303 261 190 132 93 39
Mean daily daylight hours 6h 23m 8h 58m 11h 53m 14h 51m 17h 40m 19h 21m 18h 22m 15h 43m 12h 48m 9h 52m 7h 5m 5h 26m

Solar UV radiation in Wasilla, Alaska, United States §

Wasilla experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 6 - 7, which corresponds to the High category of sun exposure.January, February and November 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 Wasilla UV Index data.

Average daily maximum UV levels by month for Wasilla, 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 3 4 6 6 7 5 4 2 1 1