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Monthly climate in Stimson Crossing, Washington, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Stimson Crossing features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 4 °C (40 °F) and 18 °C (65 °F) through the year, but rarely can drop to -8 °C (18 °F) or can rise to as high as 33 °C (92 °F).The average annual precipitation amounts to about 1773 mm (69.8 inches) and receives 171 rainy days on the 1 mm (0.04 inches) threshold annually.Stimson Crossing enjoys an average of 2699 hours of sunshine throughout the year, and daylight varies from 8 hours 24 minutes to 15 hours 58 minutes per day.

Monthly average temperatures in Stimson Crossing, Washington, United States §

The warmest months in Stimson Crossing are July, August and September, with daily mean temperatures ranging from 15 to 18 °C (60 - 65 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 5 °C (40 - 42 °F) throughout the day. On average each year, Stimson Crossing experiences 11 days above 25 °C (77.0 °F) and 11 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Stimson Crossing, 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)		 12°C
(54°F)		 23°C
(73°F)		 22°C
(71°F)		 25°C
(77°F)		 33°C
(92°F)		 28°C
(83°F)		 33°C
(92°F)		 30°C
(86°F)		 23°C
(74°F)		 15°C
(60°F)		 12°C
(55°F)
Mean maximum 12°C
(53°F)		 11°C
(52°F)		 16°C
(60°F)		 19°C
(67°F)		 22°C
(73°F)		 25°C
(78°F)		 27°C
(80°F)		 29°C
(85°F)		 26°C
(80°F)		 19°C
(66°F)		 14°C
(58°F)		 11°C
(52°F)
Average high 7°C
(46°F)		 7°C
(44°F)		 10°C
(50°F)		 12°C
(55°F)		 16°C
(61°F)		 19°C
(66°F)		 21°C
(71°F)		 22°C
(72°F)		 19°C
(66°F)		 13°C
(56°F)		 10°C
(50°F)		 7°C
(45°F)
Daily mean 5°C
(42°F)		 4°C
(40°F)		 7°C
(44°F)		 9°C
(49°F)		 13°C
(55°F)		 15°C
(60°F)		 17°C
(64°F)		 18°C
(65°F)		 15°C
(60°F)		 11°C
(51°F)		 8°C
(46°F)		 5°C
(42°F)
Average low 4°C
(39°F)		 2°C
(37°F)		 4°C
(40°F)		 6°C
(44°F)		 10°C
(50°F)		 12°C
(54°F)		 14°C
(57°F)		 14°C
(58°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)		 0°C
(32°F)		 3°C
(37°F)		 6°C
(43°F)		 9°C
(48°F)		 12°C
(53°F)		 11°C
(53°F)		 9°C
(48°F)		 3°C
(39°F)		 1°C
(35°F)		 -2°C
(28°F)
Minimum -7°C
(20°F)		 -8°C
(18°F)		 -3°C
(26°F)		 2°C
(35°F)		 4°C
(40°F)		 7°C
(45°F)		 11°C
(52°F)		 10°C
(51°F)		 8°C
(47°F)		 1°C
(34°F)		 -0°C
(32°F)		 -8°C
(18°F)

Compare climate in Stimson Crossing with other places

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

Monthly average precipitation in Stimson Crossing, Washington, United States §

Stimson Crossing usually has the most precipitation in January, November and December, with an average of 18 rainy days and 240 mm (9.4 inches) of precipitation per month.The driest months in Stimson Crossing are June, July and August. On average, 49 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Stimson Crossing, 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) 219 (8.6) 209 (8.2) 165 (6.5) 138 (5.4) 87 (3.4) 81 (3.2) 31 (1.2) 33 (1.3) 114 (4.5) 196 (7.7) 254 (10.0) 247 (9.7)
Average precipitation days (≥ 1 mm) 16 19 17 16 12 10 7 6 12 16 20 20

Monthly sunshine hours in Stimson Crossing, Washington, United States §

The sunniest months in Stimson Crossing are June, July and August, when the sun shines an average of 11 hours 18 minutes a day.Least sunny months in Stimson Crossing: January, November and December receive an average of 3 hours 17 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Stimson Crossing, 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 84 132 207 243 319 327 373 339 261 192 122 96
Mean daily daylight hours 8h 51m 10h 14m 11h 57m 13h 42m 15h 12m 15h 58m 15h 33m 14h 11m 12h 30m 10h 45m 9h 12m 8h 24m

Solar UV radiation in Stimson Crossing, Washington, United States §

Stimson Crossing 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 Stimson Crossing UV Index data.

Average daily maximum UV levels by month for Stimson Crossing, 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