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Monthly climate in Chevak, Alaska, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Chevak features a subarctic climate (Dfc).Temperatures typically range between -13 °C (9 °F) and 12 °C (54 °F) through the year, but rarely can drop to -35 °C (-31 °F) or can rise to as high as 28 °C (83 °F).The average annual precipitation amounts to about 718 mm (28.3 inches) and receives 140 rainy days on the 1 mm (0.04 inches) threshold annually.Chevak enjoys an average of 1936 hours of sunshine throughout the year, and daylight varies from 5 hours 28 minutes to 19 hours 19 minutes per day.

Monthly average temperatures in Chevak, Alaska, United States §

The warmest months in Chevak are June, July and August, with daily mean temperatures ranging from 11 to 12 °C (52 - 54 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -13 to -9 °C (9 - 16 °F) throughout the day. On average each year, Chevak experiences 0 days above 25 °C (77.0 °F) and 180 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Chevak, 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 3°C
(38°F)		 4°C
(39°F)		 4°C
(39°F)		 12°C
(55°F)		 21°C
(70°F)		 23°C
(74°F)		 28°C
(83°F)		 23°C
(74°F)		 17°C
(63°F)		 17°C
(62°F)		 5°C
(42°F)		 5°C
(41°F)
Mean maximum 1°C
(35°F)		 2°C
(37°F)		 2°C
(35°F)		 7°C
(45°F)		 18°C
(65°F)		 20°C
(67°F)		 21°C
(71°F)		 20°C
(68°F)		 16°C
(61°F)		 11°C
(52°F)		 4°C
(40°F)		 3°C
(38°F)
Average high -10°C
(14°F)		 -8°C
(19°F)		 -5°C
(24°F)		 1°C
(33°F)		 9°C
(49°F)		 14°C
(57°F)		 14°C
(58°F)		 14°C
(57°F)		 11°C
(52°F)		 5°C
(42°F)		 -3°C
(27°F)		 -7°C
(21°F)
Daily mean -13°C
(9°F)		 -10°C
(14°F)		 -8°C
(18°F)		 -2°C
(29°F)		 5°C
(42°F)		 11°C
(52°F)		 12°C
(54°F)		 12°C
(53°F)		 8°C
(47°F)		 3°C
(38°F)		 -5°C
(23°F)		 -9°C
(16°F)
Average low -16°C
(4°F)		 -13°C
(9°F)		 -11°C
(13°F)		 -5°C
(24°F)		 2°C
(35°F)		 8°C
(46°F)		 10°C
(50°F)		 9°C
(49°F)		 6°C
(44°F)		 1°C
(34°F)		 -8°C
(19°F)		 -12°C
(10°F)
Mean minimum -30°C
(-21°F)		 -23°C
(-10°F)		 -20°C
(-3°F)		 -16°C
(3°F)		 -5°C
(24°F)		 4°C
(39°F)		 7°C
(45°F)		 6°C
(43°F)		 2°C
(35°F)		 -7°C
(19°F)		 -19°C
(-2°F)		 -24°C
(-12°F)
Minimum -35°C
(-31°F)		 -30°C
(-22°F)		 -25°C
(-12°F)		 -21°C
(-6°F)		 -6°C
(21°F)		 -0°C
(32°F)		 6°C
(43°F)		 5°C
(41°F)		 -1°C
(31°F)		 -11°C
(13°F)		 -31°C
(-23°F)		 -27°C
(-16°F)

Compare climate in Chevak with other places

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

Monthly average precipitation in Chevak, Alaska, United States §

Chevak usually has the most precipitation in August, September and October, with an average of 14 rainy days and 85 mm (3.3 inches) of precipitation per month.The driest months in Chevak are January, April and June. On average, 40 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Chevak, 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) 34 (1.3) 59 (2.3) 55 (2.2) 39 (1.5) 50 (2.0) 47 (1.9) 58 (2.3) 81 (3.2) 87 (3.4) 86 (3.4) 59 (2.3) 64 (2.5)
Average precipitation days (≥ 1 mm) 7 12 11 7 14 11 12 14 14 16 10 12

Monthly sunshine hours in Chevak, Alaska, United States §

The sunniest months in Chevak are April, May and June, when the sun shines an average of 9 hours 11 minutes a day.Least sunny months in Chevak: January, November and December receive an average of 1 hours 28 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Chevak, 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 36 91 170 225 307 304 208 191 171 129 67 32
Mean daily daylight hours 6h 25m 8h 59m 11h 53m 14h 51m 17h 39m 19h 19m 18h 20m 15h 41m 12h 47m 9h 52m 7h 6m 5h 28m

Solar UV radiation in Chevak, Alaska, United States §

Chevak 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 Chevak UV Index data.

Average daily maximum UV levels by month for Chevak, 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 4 2 1 1