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Monthly climate in South Van Horn, Alaska, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification South Van Horn features a subarctic climate (Dfc).Temperatures typically range between -19 °C (-2 °F) and 18 °C (66 °F) through the year, but rarely can drop to -46 °C (-50 °F) or can rise to as high as 32 °C (90 °F).The average annual precipitation amounts to about 457 mm (18.0 inches) and receives 96 rainy days on the 1 mm (0.04 inches) threshold annually.South Van Horn enjoys an average of 2540 hours of sunshine throughout the year, and daylight varies from 3 hours 55 minutes to 21 hours 24 minutes per day.

Monthly average temperatures in South Van Horn, Alaska, United States §

The warmest months in South Van Horn are June, July and August, with daily mean temperatures ranging from 14 to 18 °C (58 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -19 to -15 °C (-2 - 5 °F) throughout the day. On average each year, South Van Horn experiences 13 days above 25 °C (77.0 °F) and 185 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in South Van Horn, 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 4°C
(40°F)		 4°C
(40°F)		 13°C
(56°F)		 19°C
(66°F)		 27°C
(81°F)		 32°C
(90°F)		 31°C
(89°F)		 31°C
(88°F)		 23°C
(74°F)		 19°C
(66°F)		 8°C
(46°F)		 5°C
(41°F)
Mean maximum 1°C
(35°F)		 -0°C
(32°F)		 5°C
(41°F)		 15°C
(59°F)		 23°C
(74°F)		 28°C
(83°F)		 30°C
(86°F)		 27°C
(82°F)		 20°C
(69°F)		 14°C
(57°F)		 2°C
(37°F)		 3°C
(38°F)
Average high -16°C
(4°F)		 -12°C
(11°F)		 -4°C
(25°F)		 6°C
(43°F)		 16°C
(61°F)		 22°C
(71°F)		 23°C
(74°F)		 18°C
(65°F)		 13°C
(56°F)		 4°C
(39°F)		 -9°C
(16°F)		 -12°C
(11°F)
Daily mean -19°C
(-2°F)		 -16°C
(3°F)		 -10°C
(14°F)		 0°C
(33°F)		 11°C
(52°F)		 17°C
(63°F)		 18°C
(66°F)		 14°C
(58°F)		 9°C
(48°F)		 0°C
(33°F)		 -12°C
(11°F)		 -15°C
(5°F)
Average low -23°C
(-9°F)		 -20°C
(-5°F)		 -15°C
(5°F)		 -5°C
(24°F)		 6°C
(42°F)		 12°C
(53°F)		 13°C
(57°F)		 11°C
(52°F)		 5°C
(42°F)		 -2°C
(28°F)		 -15°C
(6°F)		 -19°C
(-1°F)
Mean minimum -38°C
(-37°F)		 -34°C
(-29°F)		 -31°C
(-24°F)		 -16°C
(3°F)		 -1°C
(30°F)		 8°C
(46°F)		 9°C
(48°F)		 6°C
(43°F)		 -1°C
(30°F)		 -11°C
(13°F)		 -26°C
(-15°F)		 -33°C
(-27°F)
Minimum -46°C
(-50°F)		 -40°C
(-39°F)		 -37°C
(-34°F)		 -29°C
(-19°F)		 -4°C
(25°F)		 5°C
(42°F)		 5°C
(42°F)		 4°C
(39°F)		 -8°C
(18°F)		 -14°C
(7°F)		 -35°C
(-30°F)		 -39°C
(-38°F)

Compare climate in South Van Horn with other places

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

Monthly average precipitation in South Van Horn, Alaska, United States §

South Van Horn usually has the most precipitation in June, July and August, with an average of 12 rainy days and 70 mm (2.7 inches) of precipitation per month.The driest months in South Van Horn are January, March and April. On average, 18 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in South Van Horn, 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) 13 (0.5) 24 (1.0) 21 (0.8) 20 (0.8) 24 (0.9) 56 (2.2) 49 (1.9) 104 (4.1) 43 (1.7) 39 (1.5) 31 (1.2) 33 (1.3)
Average precipitation days (≥ 1 mm) 4 7 6 5 7 12 10 15 9 7 8 6

Monthly sunshine hours in South Van Horn, Alaska, United States §

The sunniest months in South Van Horn are May, June and July, when the sun shines an average of 12 hours 51 minutes a day.Least sunny months in South Van Horn: January, November and December receive an average of 1 hours 37 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in South Van Horn, 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 43 114 213 303 391 423 367 246 199 130 71 34
Mean daily daylight hours 5h 15m 8h 29m 11h 52m 15h 19m 18h 49m 21h 24m 19h 49m 16h 20m 12h 55m 9h 32m 6h 10m 3h 55m

Solar UV radiation in South Van Horn, Alaska, United States §

South Van Horn experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 5 - 5, which corresponds to the Moderate 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 South Van Horn UV Index data.

Average daily maximum UV levels by month for South Van Horn, 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 5 3 2 1 1