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Monthly climate in Brewster, Washington, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Brewster features a humid continental climate (Dsb).Temperatures typically range between -2 °C (28 °F) and 23 °C (74 °F) through the year, but rarely can drop to -21 °C (-6 °F) or can rise to as high as 43 °C (110 °F).The average annual precipitation amounts to about 426 mm (16.8 inches) and receives 74 rainy days on the 1 mm (0.04 inches) threshold annually.Brewster enjoys an average of 3103 hours of sunshine throughout the year, and daylight varies from 8 hours 25 minutes to 15 hours 57 minutes per day.

Monthly average temperatures in Brewster, Washington, United States §

The warmest months in Brewster are June, July and August, with daily mean temperatures ranging from 19 to 23 °C (67 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to -2 °C (28 - 30 °F) throughout the day. On average each year, Brewster experiences 72 days above 25 °C (77.0 °F) and 114 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Brewster, 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 7°C
(45°F)		 12°C
(54°F)		 19°C
(66°F)		 25°C
(77°F)		 31°C
(89°F)		 43°C
(110°F)		 41°C
(106°F)		 38°C
(101°F)		 35°C
(96°F)		 26°C
(78°F)		 16°C
(61°F)		 15°C
(59°F)
Mean maximum 5°C
(42°F)		 8°C
(47°F)		 16°C
(61°F)		 21°C
(70°F)		 29°C
(84°F)		 33°C
(91°F)		 37°C
(99°F)		 37°C
(99°F)		 31°C
(88°F)		 21°C
(70°F)		 14°C
(58°F)		 8°C
(47°F)
Average high 0°C
(33°F)		 2°C
(36°F)		 9°C
(48°F)		 14°C
(58°F)		 21°C
(70°F)		 26°C
(78°F)		 30°C
(87°F)		 30°C
(86°F)		 23°C
(73°F)		 13°C
(56°F)		 6°C
(43°F)		 1°C
(34°F)
Daily mean -2°C
(28°F)		 -2°C
(29°F)		 4°C
(39°F)		 9°C
(48°F)		 15°C
(59°F)		 19°C
(67°F)		 23°C
(74°F)		 23°C
(73°F)		 17°C
(62°F)		 8°C
(48°F)		 3°C
(37°F)		 -2°C
(30°F)
Average low -5°C
(24°F)		 -5°C
(23°F)		 -1°C
(31°F)		 3°C
(38°F)		 9°C
(48°F)		 12°C
(54°F)		 15°C
(60°F)		 15°C
(59°F)		 11°C
(52°F)		 4°C
(39°F)		 -0°C
(32°F)		 -4°C
(25°F)
Mean minimum -14°C
(8°F)		 -13°C
(9°F)		 -8°C
(18°F)		 -2°C
(28°F)		 2°C
(36°F)		 7°C
(45°F)		 10°C
(51°F)		 9°C
(49°F)		 5°C
(41°F)		 -3°C
(28°F)		 -6°C
(22°F)		 -12°C
(10°F)
Minimum -21°C
(-6°F)		 -16°C
(3°F)		 -18°C
(1°F)		 -4°C
(25°F)		 1°C
(34°F)		 5°C
(41°F)		 10°C
(49°F)		 8°C
(46°F)		 3°C
(37°F)		 -7°C
(20°F)		 -9°C
(17°F)		 -19°C
(-1°F)

Compare climate in Brewster with other places

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

Monthly average precipitation in Brewster, Washington, United States §

Brewster usually has the most precipitation in January, February and December, with an average of 11 rainy days and 65 mm (2.6 inches) of precipitation per month.The driest months in Brewster are June, July and August. On average, 5 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Brewster, 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) 74 (2.9) 55 (2.2) 42 (1.6) 33 (1.3) 24 (0.9) 9 (0.3) 2 (0.1) 4 (0.2) 20 (0.8) 42 (1.7) 54 (2.1) 66 (2.6)
Average precipitation days (≥ 1 mm) 12 11 8 5 4 2 0 1 3 6 11 11

Monthly sunshine hours in Brewster, Washington, United States §

The sunniest months in Brewster are June, July and August, when the sun shines an average of 12 hours 37 minutes a day.Least sunny months in Brewster: January, November and December receive an average of 3 hours 54 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Brewster, 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 93 169 243 290 353 381 416 362 288 236 149 117
Mean daily daylight hours 8h 52m 10h 14m 11h 57m 13h 42m 15h 12m 15h 57m 15h 32m 14h 11m 12h 30m 10h 45m 9h 13m 8h 25m

Solar UV radiation in Brewster, Washington, United States §

Brewster 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 Brewster UV Index data.

Average daily maximum UV levels by month for Brewster, 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 5 3 2