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Monthly climate in Loon Lake, Washington, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Loon Lake features a humid continental climate (Dsb).Temperatures typically range between -2 °C (29 °F) and 23 °C (74 °F) through the year, but rarely can drop to -24 °C (-11 °F) or can rise to as high as 43 °C (111 °F).The average annual precipitation amounts to about 566 mm (22.3 inches) and receives 100 rainy days on the 1 mm (0.04 inches) threshold annually.Loon Lake enjoys an average of 3003 hours of sunshine throughout the year, and daylight varies from 8 hours 25 minutes to 15 hours 58 minutes per day.

Monthly average temperatures in Loon Lake, Washington, United States §

The warmest months in Loon Lake are June, July and August, with daily mean temperatures ranging from 19 to 23 °C (66 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to -1 °C (29 - 30 °F) throughout the day. On average each year, Loon Lake experiences 68 days above 25 °C (77.0 °F) and 119 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Loon Lake, Washington, 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 9°C
(49°F)		 14°C
(57°F)		 19°C
(66°F)		 27°C
(80°F)		 30°C
(87°F)		 43°C
(111°F)		 41°C
(107°F)		 39°C
(103°F)		 34°C
(94°F)		 26°C
(79°F)		 16°C
(60°F)		 16°C
(60°F)
Mean maximum 7°C
(45°F)		 9°C
(48°F)		 15°C
(60°F)		 21°C
(71°F)		 28°C
(83°F)		 32°C
(90°F)		 37°C
(99°F)		 38°C
(100°F)		 31°C
(89°F)		 21°C
(69°F)		 14°C
(57°F)		 9°C
(49°F)
Average high 1°C
(34°F)		 2°C
(36°F)		 8°C
(48°F)		 13°C
(56°F)		 20°C
(68°F)		 25°C
(77°F)		 30°C
(87°F)		 29°C
(85°F)		 22°C
(73°F)		 13°C
(56°F)		 6°C
(43°F)		 1°C
(34°F)
Daily mean -2°C
(29°F)		 -2°C
(29°F)		 3°C
(38°F)		 8°C
(46°F)		 14°C
(58°F)		 19°C
(66°F)		 23°C
(74°F)		 22°C
(72°F)		 16°C
(61°F)		 8°C
(46°F)		 2°C
(37°F)		 -1°C
(30°F)
Average low -5°C
(24°F)		 -6°C
(22°F)		 -1°C
(30°F)		 2°C
(36°F)		 8°C
(46°F)		 12°C
(54°F)		 15°C
(59°F)		 15°C
(59°F)		 10°C
(50°F)		 3°C
(38°F)		 -1°C
(31°F)		 -4°C
(26°F)
Mean minimum -17°C
(1°F)		 -15°C
(5°F)		 -10°C
(14°F)		 -3°C
(27°F)		 2°C
(35°F)		 6°C
(44°F)		 10°C
(50°F)		 9°C
(48°F)		 4°C
(39°F)		 -5°C
(24°F)		 -7°C
(20°F)		 -13°C
(8°F)
Minimum -24°C
(-10°F)		 -21°C
(-5°F)		 -17°C
(1°F)		 -5°C
(24°F)		 -1°C
(31°F)		 5°C
(42°F)		 9°C
(48°F)		 6°C
(43°F)		 1°C
(34°F)		 -11°C
(12°F)		 -12°C
(11°F)		 -24°C
(-11°F)

Compare climate in Loon Lake with other places

Compare temperature, precipitation, sunshine, UV index in Loon Lake, Washington, United States with other places around the world.

Monthly average precipitation in Loon Lake, Washington, United States §

Loon Lake usually has the most precipitation in January, November and December, with an average of 12 rainy days and 74 mm (2.9 inches) of precipitation per month.The driest months in Loon Lake are June, July and August. On average, 14 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Loon Lake, Washington, 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) 78 (3.1) 59 (2.3) 59 (2.3) 54 (2.1) 48 (1.9) 22 (0.9) 4 (0.2) 15 (0.6) 31 (1.2) 53 (2.1) 69 (2.7) 74 (2.9)
Average precipitation days (≥ 1 mm) 13 12 12 10 8 5 1 2 5 8 12 12

Monthly sunshine hours in Loon Lake, Washington, United States §

The sunniest months in Loon Lake are June, July and August, when the sun shines an average of 12 hours 22 minutes a day.Least sunny months in Loon Lake: January, November and December receive an average of 3 hours 45 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Loon Lake, Washington, 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 92 153 225 277 342 365 415 357 287 233 143 109
Mean daily daylight hours 8h 51m 10h 14m 11h 57m 13h 42m 15h 12m 15h 58m 15h 32m 14h 11m 12h 30m 10h 45m 9h 13m 8h 25m

Solar UV radiation in Loon Lake, Washington, United States §

Loon Lake experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 9, which corresponds to the Very High category of sun exposure.January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Loon Lake UV Index data.

Average daily maximum UV levels by month for Loon Lake, Washington, 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) 2 4 5 6 8 9 9 9 7 4 3 2