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Monthly climate in Brier, Washington, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Brier features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 5 °C (41 °F) and 19 °C (66 °F) through the year, but rarely can drop to -8 °C (19 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1451 mm (57.1 inches) and receives 166 rainy days on the 1 mm (0.04 inches) threshold annually.Brier enjoys an average of 2583 hours of sunshine throughout the year, and daylight varies from 8 hours 26 minutes to 15 hours 56 minutes per day.

Monthly average temperatures in Brier, Washington, United States §

The warmest months in Brier are July, August and September, with daily mean temperatures ranging from 16 to 19 °C (61 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 6 °C (41 - 43 °F) throughout the day. On average each year, Brier experiences 18 days above 25 °C (77.0 °F) and 10 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Brier, 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 15°C
(59°F)		 13°C
(56°F)		 23°C
(74°F)		 23°C
(74°F)		 26°C
(79°F)		 36°C
(97°F)		 29°C
(84°F)		 34°C
(93°F)		 29°C
(85°F)		 23°C
(74°F)		 16°C
(62°F)		 13°C
(56°F)
Mean maximum 12°C
(55°F)		 12°C
(53°F)		 16°C
(62°F)		 20°C
(69°F)		 24°C
(75°F)		 27°C
(81°F)		 28°C
(82°F)		 30°C
(87°F)		 27°C
(81°F)		 19°C
(67°F)		 15°C
(60°F)		 12°C
(54°F)
Average high 8°C
(47°F)		 7°C
(45°F)		 11°C
(51°F)		 13°C
(56°F)		 17°C
(63°F)		 20°C
(68°F)		 23°C
(73°F)		 23°C
(74°F)		 20°C
(68°F)		 14°C
(58°F)		 11°C
(51°F)		 8°C
(46°F)
Daily mean 6°C
(43°F)		 5°C
(41°F)		 7°C
(45°F)		 10°C
(50°F)		 13°C
(56°F)		 16°C
(61°F)		 18°C
(65°F)		 19°C
(66°F)		 16°C
(61°F)		 11°C
(52°F)		 8°C
(47°F)		 6°C
(42°F)
Average low 4°C
(39°F)		 3°C
(37°F)		 5°C
(41°F)		 7°C
(44°F)		 10°C
(50°F)		 12°C
(55°F)		 14°C
(58°F)		 15°C
(59°F)		 13°C
(55°F)		 8°C
(47°F)		 6°C
(43°F)		 4°C
(39°F)
Mean minimum -2°C
(28°F)		 -3°C
(27°F)		 1°C
(33°F)		 3°C
(37°F)		 6°C
(43°F)		 9°C
(48°F)		 12°C
(54°F)		 11°C
(53°F)		 9°C
(48°F)		 3°C
(38°F)		 1°C
(35°F)		 -2°C
(29°F)
Minimum -7°C
(20°F)		 -8°C
(19°F)		 -1°C
(31°F)		 1°C
(35°F)		 5°C
(41°F)		 8°C
(47°F)		 11°C
(52°F)		 10°C
(51°F)		 8°C
(47°F)		 0°C
(33°F)		 -0°C
(32°F)		 -6°C
(21°F)

Compare climate in Brier with other places

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

Monthly average precipitation in Brier, Washington, United States §

Brier usually has the most precipitation in January, November and December, with an average of 17 rainy days and 188 mm (7.4 inches) of precipitation per month.The driest months in Brier are June, July and August. On average, 41 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Brier, 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) 178 (7.0) 177 (7.0) 128 (5.0) 117 (4.6) 77 (3.0) 73 (2.9) 27 (1.1) 24 (0.9) 99 (3.9) 163 (6.4) 188 (7.4) 199 (7.8)
Average precipitation days (≥ 1 mm) 15 19 17 15 13 11 7 5 12 16 18 18

Monthly sunshine hours in Brier, Washington, United States §

The sunniest months in Brier are June, July and August, when the sun shines an average of 10 hours 52 minutes a day.Least sunny months in Brier: January, November and December receive an average of 3 hours 7 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Brier, 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 80 123 199 229 299 310 360 329 254 189 114 92
Mean daily daylight hours 8h 53m 10h 15m 11h 57m 13h 41m 15h 11m 15h 56m 15h 31m 14h 10m 12h 30m 10h 46m 9h 14m 8h 26m

Solar UV radiation in Brier, Washington, United States §

Brier experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure.January, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Brier UV Index data.

Average daily maximum UV levels by month for Brier, 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 8 9 9 8 7 5 2 1