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Monthly climate in Barrow, Alaska, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Barrow features a ice cap climate ET).Temperatures typically range between -24 °C (-11 °F) and 6 °C (43 °F) through the year, but rarely can drop to -41 °C (-42 °F) or can rise to as high as 20 °C (68 °F).The average annual precipitation amounts to about 291 mm (11.5 inches) and receives 68 rainy days on the 1 mm (0.04 inches) threshold annually.Barrow enjoys an average of 1520 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 Barrow, Alaska, United States §

The warmest months in Barrow are July, August and September, with daily mean temperatures ranging from 2 to 6 °C (37 - 43 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from -24 to -19 °C (-11 - -3 °F) throughout the day. On average each year, Barrow experiences 0 days above 25 °C (77.0 °F) and 250 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Barrow, 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)		 0°C
(32°F)		 3°C
(37°F)		 6°C
(43°F)		 20°C
(68°F)		 19°C
(66°F)		 18°C
(64°F)		 15°C
(58°F)		 6°C
(43°F)		 2°C
(35°F)		 0°C
(33°F)
Mean maximum -6°C
(22°F)		 -8°C
(17°F)		 -3°C
(27°F)		 -2°C
(29°F)		 3°C
(37°F)		 14°C
(58°F)		 15°C
(60°F)		 13°C
(56°F)		 10°C
(50°F)		 4°C
(39°F)		 0°C
(33°F)		 -4°C
(25°F)
Average high -20°C
(-4°F)		 -21°C
(-5°F)		 -16°C
(3°F)		 -11°C
(12°F)		 -3°C
(28°F)		 4°C
(40°F)		 8°C
(47°F)		 6°C
(43°F)		 4°C
(39°F)		 -1°C
(30°F)		 -8°C
(18°F)		 -17°C
(1°F)
Daily mean -23°C
(-8°F)		 -24°C
(-11°F)		 -19°C
(-3°F)		 -14°C
(7°F)		 -4°C
(25°F)		 2°C
(36°F)		 6°C
(43°F)		 4°C
(40°F)		 2°C
(37°F)		 -3°C
(27°F)		 -10°C
(14°F)		 -19°C
(-3°F)
Average low -25°C
(-13°F)		 -27°C
(-16°F)		 -22°C
(-8°F)		 -17°C
(2°F)		 -6°C
(22°F)		 0°C
(32°F)		 4°C
(39°F)		 3°C
(37°F)		 1°C
(34°F)		 -4°C
(24°F)		 -12°C
(10°F)		 -22°C
(-6°F)
Mean minimum -34°C
(-29°F)		 -36°C
(-33°F)		 -34°C
(-29°F)		 -26°C
(-14°F)		 -14°C
(7°F)		 -3°C
(27°F)		 1°C
(33°F)		 1°C
(33°F)		 -3°C
(28°F)		 -15°C
(6°F)		 -23°C
(-10°F)		 -31°C
(-23°F)
Minimum -37°C
(-35°F)		 -41°C
(-42°F)		 -39°C
(-38°F)		 -32°C
(-25°F)		 -21°C
(-6°F)		 -4°C
(25°F)		 -1°C
(31°F)		 -1°C
(31°F)		 -6°C
(21°F)		 -18°C
(1°F)		 -32°C
(-25°F)		 -35°C
(-30°F)

Compare climate in Barrow with other places

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

Monthly average precipitation in Barrow, Alaska, United States §

Barrow usually has the most precipitation in July, August and September, with an average of 9 rainy days and 44 mm (1.7 inches) of precipitation per month.The driest months in Barrow are January, April and May. On average, 11 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Barrow, 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) 9 (0.4) 15 (0.6) 16 (0.6) 10 (0.4) 14 (0.6) 16 (0.6) 54 (2.1) 45 (1.8) 32 (1.3) 31 (1.2) 30 (1.2) 20 (0.8)
Average precipitation days (≥ 1 mm) 1 5 4 2 2 4 10 8 9 10 8 5

Monthly sunshine hours in Barrow, Alaska, United States §

The sunniest months in Barrow are April, June and July, when the sun shines an average of 9 hours 8 minutes a day.Least sunny months in Barrow: January, November and December receive an average of 0 hours 6 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Barrow, 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 62 186 294 194 315 222 90 93 50 8 0
Mean daily daylight hours 3h 32m 6h 50m 11h 48m 16h 49m 23h 9m 24h 0m 24h 0m 18h 38m 13h 16m 8h 27m 4h 22m 0h 0m

Solar UV radiation in Barrow, Alaska, United States §

Barrow 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 Barrow UV Index data.

Average daily maximum UV levels by month for Barrow, 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 2 1 1 0