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Monthly climate in Cohassett Beach, Washington, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Cohassett Beach features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 6 °C (43 °F) and 17 °C (62 °F) through the year, but rarely can drop to -4 °C (25 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 1543 mm (60.7 inches) and receives 156 rainy days on the 1 mm (0.04 inches) threshold annually.Cohassett Beach enjoys an average of 2686 hours of sunshine throughout the year, and daylight varies from 8 hours 34 minutes to 15 hours 47 minutes per day.

Monthly average temperatures in Cohassett Beach, Washington, United States §

The warmest months in Cohassett Beach are July, August and September, with daily mean temperatures ranging from 16 to 17 °C (60 - 62 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 7 °C (43 - 45 °F) throughout the day. On average each year, Cohassett Beach experiences 9 days above 25 °C (77.0 °F) and 8 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Cohassett Beach, 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 14°C
(58°F)		 15°C
(59°F)		 25°C
(77°F)		 26°C
(79°F)		 28°C
(82°F)		 38°C
(101°F)		 30°C
(87°F)		 32°C
(89°F)		 32°C
(90°F)		 23°C
(74°F)		 17°C
(62°F)		 14°C
(58°F)
Mean maximum 13°C
(56°F)		 13°C
(55°F)		 17°C
(63°F)		 21°C
(70°F)		 25°C
(77°F)		 28°C
(83°F)		 26°C
(79°F)		 31°C
(89°F)		 27°C
(81°F)		 20°C
(68°F)		 16°C
(61°F)		 13°C
(56°F)
Average high 10°C
(49°F)		 9°C
(48°F)		 11°C
(52°F)		 13°C
(56°F)		 16°C
(61°F)		 18°C
(65°F)		 20°C
(68°F)		 21°C
(70°F)		 20°C
(67°F)		 15°C
(59°F)		 12°C
(53°F)		 9°C
(49°F)
Daily mean 7°C
(45°F)		 6°C
(43°F)		 8°C
(46°F)		 10°C
(50°F)		 12°C
(55°F)		 15°C
(59°F)		 16°C
(61°F)		 17°C
(62°F)		 16°C
(60°F)		 12°C
(53°F)		 9°C
(49°F)		 7°C
(45°F)
Average low 5°C
(41°F)		 4°C
(39°F)		 5°C
(41°F)		 7°C
(45°F)		 9°C
(49°F)		 11°C
(53°F)		 13°C
(55°F)		 13°C
(56°F)		 12°C
(54°F)		 9°C
(48°F)		 7°C
(45°F)		 5°C
(41°F)
Mean minimum -0°C
(32°F)		 -2°C
(29°F)		 -0°C
(32°F)		 3°C
(37°F)		 6°C
(42°F)		 8°C
(47°F)		 10°C
(50°F)		 10°C
(51°F)		 8°C
(46°F)		 3°C
(38°F)		 1°C
(34°F)		 -1°C
(30°F)
Minimum -4°C
(25°F)		 -3°C
(26°F)		 -2°C
(30°F)		 1°C
(34°F)		 5°C
(41°F)		 8°C
(46°F)		 9°C
(49°F)		 9°C
(49°F)		 7°C
(44°F)		 1°C
(35°F)		 -1°C
(31°F)		 -4°C
(26°F)

Compare climate in Cohassett Beach with other places

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

Monthly average precipitation in Cohassett Beach, Washington, United States §

Cohassett Beach usually has the most precipitation in January, November and December, with an average of 18 rainy days and 238 mm (9.4 inches) of precipitation per month.The driest months in Cohassett Beach are June, July and August. On average, 24 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Cohassett Beach, 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) 238 (9.4) 170 (6.7) 150 (5.9) 129 (5.1) 59 (2.3) 47 (1.8) 15 (0.6) 12 (0.5) 91 (3.6) 154 (6.1) 255 (10.0) 223 (8.8)
Average precipitation days (≥ 1 mm) 17 19 17 16 10 8 4 2 10 14 19 20

Monthly sunshine hours in Cohassett Beach, Washington, United States §

The sunniest months in Cohassett Beach are June, July and August, when the sun shines an average of 10 hours 59 minutes a day.Least sunny months in Cohassett Beach: January, November and December receive an average of 3 hours 34 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Cohassett Beach, 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 90 134 215 234 296 326 356 328 260 203 132 106
Mean daily daylight hours 9h 0m 10h 19m 11h 57m 13h 38m 15h 4m 15h 47m 15h 23m 14h 6m 12h 29m 10h 49m 9h 20m 8h 34m

Solar UV radiation in Cohassett Beach, Washington, United States §

Cohassett Beach experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 9 - 9, 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 Cohassett Beach UV Index data.

Average daily maximum UV levels by month for Cohassett Beach, 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 9 8 7 5 3 2