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Monthly climate in Ester, Alaska, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Ester features a subarctic climate (Dfc).Temperatures typically range between -20 °C (-3 °F) and 18 °C (65 °F) through the year, but rarely can drop to -46 °C (-51 °F) or can rise to as high as 32 °C (89 °F).The average annual precipitation amounts to about 497 mm (19.6 inches) and receives 99 rainy days on the 1 mm (0.04 inches) threshold annually.Ester enjoys an average of 2530 hours of sunshine throughout the year, and daylight varies from 3 hours 54 minutes to 21 hours 27 minutes per day.

Monthly average temperatures in Ester, Alaska, United States §

The warmest months in Ester are June, July and August, with daily mean temperatures ranging from 14 to 18 °C (58 - 65 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -20 to -15 °C (-3 - 5 °F) throughout the day. On average each year, Ester experiences 13 days above 25 °C (77.0 °F) and 188 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ester, 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)		 12°C
(54°F)		 18°C
(65°F)		 27°C
(80°F)		 32°C
(89°F)		 31°C
(88°F)		 30°C
(87°F)		 23°C
(73°F)		 18°C
(65°F)		 7°C
(45°F)		 5°C
(41°F)
Mean maximum 1°C
(34°F)		 -0°C
(32°F)		 4°C
(40°F)		 14°C
(58°F)		 23°C
(74°F)		 28°C
(83°F)		 29°C
(85°F)		 27°C
(81°F)		 20°C
(68°F)		 13°C
(56°F)		 2°C
(36°F)		 3°C
(37°F)
Average high -16°C
(3°F)		 -12°C
(10°F)		 -4°C
(24°F)		 6°C
(43°F)		 16°C
(61°F)		 21°C
(71°F)		 23°C
(74°F)		 18°C
(65°F)		 13°C
(56°F)		 3°C
(39°F)		 -9°C
(16°F)		 -12°C
(11°F)
Daily mean -20°C
(-3°F)		 -17°C
(2°F)		 -10°C
(14°F)		 0°C
(33°F)		 11°C
(52°F)		 17°C
(62°F)		 18°C
(65°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)		 -21°C
(-5°F)		 -15°C
(5°F)		 -5°C
(23°F)		 5°C
(42°F)		 11°C
(53°F)		 13°C
(56°F)		 11°C
(51°F)		 5°C
(41°F)		 -2°C
(28°F)		 -15°C
(6°F)		 -19°C
(-2°F)
Mean minimum -39°C
(-37°F)		 -34°C
(-30°F)		 -31°C
(-24°F)		 -16°C
(3°F)		 -2°C
(29°F)		 7°C
(45°F)		 9°C
(48°F)		 6°C
(42°F)		 -1°C
(30°F)		 -11°C
(12°F)		 -26°C
(-15°F)		 -33°C
(-27°F)
Minimum -46°C
(-51°F)		 -40°C
(-40°F)		 -37°C
(-34°F)		 -28°C
(-19°F)		 -4°C
(25°F)		 5°C
(41°F)		 5°C
(41°F)		 3°C
(38°F)		 -8°C
(19°F)		 -15°C
(6°F)		 -34°C
(-29°F)		 -39°C
(-38°F)

Compare climate in Ester with other places

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

Monthly average precipitation in Ester, Alaska, United States §

Ester usually has the most precipitation in June, July and August, with an average of 13 rainy days and 78 mm (3.1 inches) of precipitation per month.The driest months in Ester are January, March and April. On average, 19 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ester, 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) 25 (1.0) 22 (0.8) 21 (0.8) 30 (1.2) 63 (2.5) 58 (2.3) 115 (4.5) 47 (1.8) 40 (1.6) 31 (1.2) 33 (1.3)
Average precipitation days (≥ 1 mm) 3 7 6 5 8 12 11 16 9 8 8 6

Monthly sunshine hours in Ester, Alaska, United States §

The sunniest months in Ester are May, June and July, when the sun shines an average of 12 hours 49 minutes a day.Least sunny months in Ester: January, November and December receive an average of 1 hours 36 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ester, 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 43 113 211 302 391 423 364 247 199 128 70 34
Mean daily daylight hours 5h 14m 8h 28m 11h 52m 15h 19m 18h 50m 21h 27m 19h 50m 16h 20m 12h 55m 9h 31m 6h 9m 3h 54m

Solar UV radiation in Ester, Alaska, United States §

Ester 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 Ester UV Index data.

Average daily maximum UV levels by month for Ester, 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