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Monthly climate in Basin City, Washington, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Basin City features a cold semi-arid climate (BSk).Temperatures typically range between 2 °C (35 °F) and 28 °C (83 °F) through the year, but rarely can drop to -21 °C (-6 °F) or can rise to as high as 48 °C (119 °F).The average annual precipitation amounts to about 216 mm (8.5 inches) and receives 53 rainy days on the 1 mm (0.04 inches) threshold annually.Basin City enjoys an average of 3202 hours of sunshine throughout the year, and daylight varies from 8 hours 36 minutes to 15 hours 45 minutes per day.

Monthly average temperatures in Basin City, Washington, United States §

The warmest months in Basin City are June, July and August, with daily mean temperatures ranging from 24 to 28 °C (75 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 2 °C (35 - 36 °F) throughout the day. On average each year, Basin City experiences 114 days above 25 °C (77.0 °F) and 73 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Basin City, 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 16°C
(62°F)		 20°C
(69°F)		 24°C
(75°F)		 33°C
(92°F)		 37°C
(100°F)		 48°C
(119°F)		 45°C
(114°F)		 43°C
(110°F)		 40°C
(104°F)		 32°C
(90°F)		 22°C
(72°F)		 21°C
(70°F)
Mean maximum 13°C
(55°F)		 16°C
(61°F)		 22°C
(72°F)		 28°C
(83°F)		 35°C
(94°F)		 38°C
(101°F)		 43°C
(109°F)		 42°C
(108°F)		 37°C
(99°F)		 27°C
(81°F)		 21°C
(69°F)		 16°C
(62°F)
Average high 5°C
(42°F)		 7°C
(46°F)		 15°C
(58°F)		 20°C
(68°F)		 26°C
(80°F)		 31°C
(88°F)		 36°C
(97°F)		 35°C
(95°F)		 28°C
(83°F)		 19°C
(66°F)		 10°C
(51°F)		 5°C
(42°F)
Daily mean 2°C
(35°F)		 2°C
(36°F)		 8°C
(47°F)		 14°C
(57°F)		 20°C
(68°F)		 24°C
(75°F)		 28°C
(83°F)		 27°C
(81°F)		 21°C
(70°F)		 12°C
(54°F)		 6°C
(42°F)		 2°C
(36°F)
Average low -1°C
(30°F)		 -2°C
(29°F)		 3°C
(37°F)		 7°C
(45°F)		 13°C
(55°F)		 16°C
(62°F)		 18°C
(66°F)		 18°C
(65°F)		 13°C
(55°F)		 6°C
(43°F)		 1°C
(35°F)		 -1°C
(30°F)
Mean minimum -9°C
(16°F)		 -9°C
(16°F)		 -5°C
(24°F)		 1°C
(34°F)		 6°C
(43°F)		 10°C
(50°F)		 13°C
(56°F)		 11°C
(52°F)		 7°C
(44°F)		 -2°C
(29°F)		 -5°C
(23°F)		 -8°C
(19°F)
Minimum -21°C
(-6°F)		 -15°C
(5°F)		 -17°C
(2°F)		 -1°C
(30°F)		 5°C
(41°F)		 9°C
(49°F)		 13°C
(55°F)		 10°C
(51°F)		 5°C
(42°F)		 -9°C
(16°F)		 -7°C
(20°F)		 -9°C
(16°F)

Compare climate in Basin City with other places

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

Monthly average precipitation in Basin City, Washington, United States §

Basin City usually has the most precipitation in January, February and December, with an average of 7 rainy days and 32 mm (1.2 inches) of precipitation per month.The driest months in Basin City are June, July and August. On average, 3 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Basin City, 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) 35 (1.4) 33 (1.3) 25 (1.0) 20 (0.8) 10 (0.4) 6 (0.2) 0 (0.0) 2 (0.1) 7 (0.3) 22 (0.9) 27 (1.1) 27 (1.1)
Average precipitation days (≥ 1 mm) 8 8 6 5 3 2 0 0 2 5 7 7

Monthly sunshine hours in Basin City, Washington, United States §

The sunniest months in Basin City are June, July and August, when the sun shines an average of 12 hours 32 minutes a day.Least sunny months in Basin City: January, February and December receive an average of 4 hours 38 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Basin City, 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 110 166 248 297 356 377 415 360 293 248 179 145
Mean daily daylight hours 9h 2m 10h 19m 11h 57m 13h 37m 15h 2m 15h 45m 15h 21m 14h 5m 12h 28m 10h 49m 9h 22m 8h 36m

Solar UV radiation in Basin City, Washington, United States §

Basin City experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure.January, February 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 Basin City UV Index data.

Average daily maximum UV levels by month for Basin City, 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 3 5 6 9 9 10 9 7 5 3 2