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Monthly climate in Long Beach, Washington, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Long Beach features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 7 °C (45 °F) and 16 °C (61 °F) through the year, but rarely can drop to -1 °C (30 °F) or can rise to as high as 25 °C (77 °F).The average annual precipitation amounts to about 1630 mm (64.2 inches) and receives 161 rainy days on the 1 mm (0.04 inches) threshold annually.Long Beach enjoys an average of 2681 hours of sunshine throughout the year, and daylight varies from 8 hours 40 minutes to 15 hours 41 minutes per day.

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

The warmest months in Long Beach are July, August and September, with daily mean temperatures ranging from 15 to 16 °C (60 - 61 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 8 °C (45 - 47 °F) throughout the day. On average each year, Long Beach experiences 0 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Long 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 13°C
(56°F)		 13°C
(55°F)		 17°C
(64°F)		 19°C
(67°F)		 21°C
(69°F)		 25°C
(77°F)		 21°C
(69°F)		 24°C
(75°F)		 24°C
(75°F)		 19°C
(66°F)		 15°C
(59°F)		 13°C
(56°F)
Mean maximum 12°C
(54°F)		 11°C
(52°F)		 13°C
(56°F)		 16°C
(61°F)		 18°C
(65°F)		 20°C
(68°F)		 19°C
(66°F)		 21°C
(70°F)		 21°C
(70°F)		 17°C
(63°F)		 14°C
(58°F)		 12°C
(54°F)
Average high 9°C
(49°F)		 8°C
(47°F)		 9°C
(49°F)		 11°C
(52°F)		 13°C
(56°F)		 15°C
(60°F)		 16°C
(62°F)		 17°C
(63°F)		 17°C
(62°F)		 14°C
(58°F)		 11°C
(53°F)		 9°C
(49°F)
Daily mean 8°C
(47°F)		 7°C
(45°F)		 8°C
(47°F)		 10°C
(50°F)		 12°C
(54°F)		 14°C
(58°F)		 15°C
(60°F)		 16°C
(61°F)		 15°C
(60°F)		 13°C
(55°F)		 10°C
(51°F)		 8°C
(47°F)
Average low 7°C
(44°F)		 6°C
(43°F)		 7°C
(45°F)		 9°C
(48°F)		 11°C
(52°F)		 13°C
(56°F)		 14°C
(58°F)		 15°C
(59°F)		 14°C
(58°F)		 11°C
(53°F)		 9°C
(49°F)		 7°C
(44°F)
Mean minimum 3°C
(38°F)		 2°C
(35°F)		 4°C
(39°F)		 6°C
(43°F)		 8°C
(47°F)		 11°C
(51°F)		 13°C
(55°F)		 13°C
(56°F)		 12°C
(53°F)		 7°C
(46°F)		 6°C
(43°F)		 2°C
(36°F)
Minimum 0°C
(32°F)		 0°C
(33°F)		 2°C
(35°F)		 3°C
(38°F)		 7°C
(45°F)		 10°C
(51°F)		 12°C
(54°F)		 12°C
(54°F)		 10°C
(51°F)		 6°C
(43°F)		 4°C
(39°F)		 -1°C
(30°F)

Compare climate in Long Beach with other places

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

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

Long Beach usually has the most precipitation in January, November and December, with an average of 19 rainy days and 246 mm (9.7 inches) of precipitation per month.The driest months in Long Beach are June, July and August. On average, 33 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Long 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) 242 (9.5) 193 (7.6) 161 (6.3) 132 (5.2) 66 (2.6) 58 (2.3) 19 (0.8) 20 (0.8) 84 (3.3) 156 (6.1) 249 (9.8) 248 (9.8)
Average precipitation days (≥ 1 mm) 18 19 17 16 11 8 4 5 10 14 18 21

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

The sunniest months in Long Beach are June, July and August, when the sun shines an average of 11 hours 1 minutes a day.Least sunny months in Long Beach: January, February and December receive an average of 3 hours 38 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Long 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 91 132 210 231 290 326 358 329 262 204 134 106
Mean daily daylight hours 9h 5m 10h 21m 11h 57m 13h 35m 14h 59m 15h 41m 15h 18m 14h 3m 12h 28m 10h 50m 9h 24m 8h 40m

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

Long 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 Long Beach UV Index data.

Average daily maximum UV levels by month for Long 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