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Monthly climate in Aniak, Alaska, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Aniak features a subarctic climate (Dfc). Temperatures typically range between -15 °C (5 °F) and 15 °C (59 °F) through the year, but rarely can drop to -39 °C (-38 °F) or can rise to as high as 31 °C (89 °F). The average annual precipitation amounts to about 748 mm (29.5 inches) and receives 154 rainy days on the 1 mm (0.04 inches) threshold annually. Aniak enjoys an average of 2098 hours of sunshine throughout the year, and daylight varies from 5 hours 27 minutes to 19 hours 20 minutes per day.

Monthly average temperatures in Aniak, Alaska, United States §

The warmest months in Aniak are June, July and August, with daily mean temperatures ranging from 13 to 15 °C (55 - 59 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -15 to -11 °C (5 - 13 °F) throughout the day. On average each year, Aniak experiences 2 days above 25 °C (77.0 °F) and 178 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Aniak, 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 5°C
(41°F)		 6°C
(43°F)		 7°C
(45°F)		 12°C
(55°F)		 23°C
(74°F)		 27°C
(80°F)		 31°C
(89°F)		 27°C
(81°F)		 18°C
(65°F)		 18°C
(65°F)		 5°C
(41°F)		 5°C
(42°F)
Mean maximum 3°C
(38°F)		 3°C
(37°F)		 3°C
(37°F)		 11°C
(52°F)		 20°C
(68°F)		 22°C
(73°F)		 26°C
(80°F)		 23°C
(74°F)		 17°C
(62°F)		 12°C
(54°F)		 3°C
(37°F)		 4°C
(40°F)
Average high -12°C
(10°F)		 -8°C
(19°F)		 -5°C
(24°F)		 4°C
(40°F)		 12°C
(54°F)		 17°C
(63°F)		 18°C
(65°F)		 16°C
(61°F)		 11°C
(52°F)		 5°C
(41°F)		 -6°C
(22°F)		 -8°C
(18°F)
Daily mean -15°C
(5°F)		 -11°C
(12°F)		 -8°C
(17°F)		 0°C
(32°F)		 8°C
(47°F)		 13°C
(56°F)		 15°C
(59°F)		 13°C
(55°F)		 8°C
(47°F)		 2°C
(36°F)		 -9°C
(17°F)		 -11°C
(13°F)
Average low -18°C
(-1°F)		 -14°C
(7°F)		 -12°C
(11°F)		 -4°C
(26°F)		 4°C
(39°F)		 9°C
(49°F)		 11°C
(53°F)		 10°C
(50°F)		 5°C
(42°F)		 -0°C
(32°F)		 -12°C
(12°F)		 -14°C
(7°F)
Mean minimum -33°C
(-26°F)		 -29°C
(-20°F)		 -24°C
(-11°F)		 -15°C
(5°F)		 -3°C
(27°F)		 6°C
(43°F)		 8°C
(47°F)		 4°C
(40°F)		 -1°C
(30°F)		 -10°C
(14°F)		 -24°C
(-11°F)		 -29°C
(-19°F)
Minimum -39°C
(-38°F)		 -36°C
(-33°F)		 -30°C
(-22°F)		 -25°C
(-12°F)		 -7°C
(19°F)		 4°C
(39°F)		 7°C
(45°F)		 2°C
(36°F)		 -5°C
(23°F)		 -13°C
(9°F)		 -37°C
(-35°F)		 -35°C
(-30°F)

Compare climate in Aniak with other places

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

Monthly average precipitation in Aniak, Alaska, United States §

Aniak usually has the most precipitation in August, September and October, with an average of 15 rainy days and 94 mm (3.7 inches) of precipitation per month. The driest months in Aniak are January, February and April. On average, 37 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Aniak, 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) 24 (1.0) 48 (1.9) 49 (1.9) 39 (1.5) 51 (2.0) 62 (2.4) 79 (3.1) 105 (4.1) 91 (3.6) 86 (3.4) 54 (2.1) 60 (2.4)
Average precipitation days (≥ 1 mm) 7 13 12 9 14 14 14 16 14 16 12 13

Monthly sunshine hours in Aniak, Alaska, United States §

The sunniest months in Aniak are April, May and June, when the sun shines an average of 9 hours 57 minutes a day. Least sunny months in Aniak: January, November and December receive an average of 1 hours 59 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Aniak, 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 58 100 176 257 324 324 242 192 169 127 79 44
Mean daily daylight hours 6h 24m 8h 59m 11h 53m 14h 51m 17h 40m 19h 20m 18h 21m 15h 42m 12h 47m 9h 52m 7h 5m 5h 27m

Solar UV radiation in Aniak, Alaska, United States §

Aniak experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 5 - 6, which corresponds to the Moderate / 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 Aniak UV Index data.

Average daily maximum UV levels by month for Aniak, 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 5 6 6 5 3 2 1 1

Detailed Monthly Weather Insights for Aniak, Alaska, United States

Discover in-depth weather details for every month in Aniak. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Aniak's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.