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Monthly climate in Washougal, Washington, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Washougal features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 3 °C (38 °F) and 20 °C (68 °F) through the year, but rarely can drop to -18 °C (0 °F) or can rise to as high as 45 °C (113 °F).The average annual precipitation amounts to about 2072 mm (81.6 inches) and receives 163 rainy days on the 1 mm (0.04 inches) threshold annually.Washougal enjoys an average of 2722 hours of sunshine throughout the year, and daylight varies from 8 hours 45 minutes to 15 hours 35 minutes per day.

Monthly average temperatures in Washougal, Washington, United States §

The warmest months in Washougal are July, August and September, with daily mean temperatures ranging from 16 to 20 °C (62 - 68 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 4 °C (38 - 40 °F) throughout the day. On average each year, Washougal experiences 48 days above 25 °C (77.0 °F) and 39 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Washougal, 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
(58°F)		 17°C
(62°F)		 21°C
(71°F)		 29°C
(85°F)		 31°C
(89°F)		 45°C
(113°F)		 36°C
(98°F)		 39°C
(103°F)		 35°C
(96°F)		 26°C
(80°F)		 19°C
(67°F)		 16°C
(61°F)
Mean maximum 12°C
(55°F)		 13°C
(56°F)		 18°C
(65°F)		 24°C
(76°F)		 28°C
(83°F)		 33°C
(92°F)		 33°C
(92°F)		 36°C
(98°F)		 32°C
(90°F)		 22°C
(72°F)		 17°C
(62°F)		 13°C
(55°F)
Average high 7°C
(45°F)		 7°C
(45°F)		 11°C
(52°F)		 14°C
(58°F)		 18°C
(65°F)		 22°C
(71°F)		 26°C
(79°F)		 27°C
(80°F)		 22°C
(72°F)		 15°C
(60°F)		 10°C
(51°F)		 7°C
(44°F)
Daily mean 4°C
(40°F)		 3°C
(38°F)		 6°C
(44°F)		 9°C
(49°F)		 13°C
(56°F)		 16°C
(61°F)		 19°C
(67°F)		 20°C
(68°F)		 16°C
(62°F)		 10°C
(51°F)		 7°C
(45°F)		 4°C
(40°F)
Average low 2°C
(35°F)		 0°C
(33°F)		 3°C
(37°F)		 5°C
(40°F)		 8°C
(46°F)		 11°C
(51°F)		 13°C
(55°F)		 13°C
(56°F)		 11°C
(52°F)		 6°C
(43°F)		 4°C
(39°F)		 2°C
(35°F)
Mean minimum -6°C
(22°F)		 -8°C
(17°F)		 -3°C
(27°F)		 -1°C
(31°F)		 3°C
(37°F)		 6°C
(43°F)		 8°C
(47°F)		 8°C
(46°F)		 5°C
(42°F)		 -1°C
(31°F)		 -2°C
(29°F)		 -6°C
(22°F)
Minimum -12°C
(11°F)		 -18°C
(0°F)		 -6°C
(22°F)		 -3°C
(26°F)		 2°C
(36°F)		 5°C
(41°F)		 7°C
(44°F)		 6°C
(44°F)		 4°C
(39°F)		 -3°C
(27°F)		 -3°C
(27°F)		 -10°C
(14°F)

Compare climate in Washougal with other places

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

Monthly average precipitation in Washougal, Washington, United States §

Washougal usually has the most precipitation in February, November and December, with an average of 20 rainy days and 294 mm (11.6 inches) of precipitation per month.The driest months in Washougal are June, July and August. On average, 37 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Washougal, 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) 258 (10.1) 310 (12.2) 199 (7.8) 183 (7.2) 97 (3.8) 83 (3.3) 11 (0.5) 15 (0.6) 114 (4.5) 229 (9.0) 276 (10.9) 297 (11.7)
Average precipitation days (≥ 1 mm) 17 21 19 16 13 9 2 4 9 14 19 20

Monthly sunshine hours in Washougal, Washington, United States §

The sunniest months in Washougal are June, July and August, when the sun shines an average of 11 hours 26 minutes a day.Least sunny months in Washougal: January, February and December receive an average of 3 hours 35 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Washougal, 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 88 121 197 237 288 328 383 340 266 212 140 116
Mean daily daylight hours 9h 10m 10h 24m 11h 57m 13h 33m 14h 54m 15h 35m 15h 13m 13h 59m 12h 27m 10h 52m 9h 28m 8h 45m

Solar UV radiation in Washougal, Washington, United States §

Washougal experiences the highest level of ultraviolet (UV) radiation in May, June and July, 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 Washougal UV Index data.

Average daily maximum UV levels by month for Washougal, 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 8 7 5 3 2