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Monthly climate in Auburn, Washington, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Auburn features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 4 °C (40 °F) and 19 °C (66 °F) through the year, but rarely can drop to -10 °C (14 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1450 mm (57.1 inches) and receives 160 rainy days on the 1 mm (0.04 inches) threshold annually.Auburn enjoys an average of 2617 hours of sunshine throughout the year, and daylight varies from 8 hours 32 minutes to 15 hours 50 minutes per day.

Monthly average temperatures in Auburn, Washington, United States §

The warmest months in Auburn 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 4 to 5 °C (40 - 41 °F) throughout the day. On average each year, Auburn experiences 23 days above 25 °C (77.0 °F) and 15 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Auburn, 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
(57°F)		 14°C
(57°F)		 20°C
(68°F)		 23°C
(75°F)		 26°C
(80°F)		 37°C
(99°F)		 32°C
(90°F)		 32°C
(90°F)		 29°C
(84°F)		 23°C
(73°F)		 17°C
(62°F)		 14°C
(57°F)
Mean maximum 12°C
(54°F)		 12°C
(53°F)		 16°C
(61°F)		 20°C
(69°F)		 24°C
(76°F)		 28°C
(83°F)		 30°C
(85°F)		 30°C
(87°F)		 27°C
(80°F)		 19°C
(67°F)		 15°C
(60°F)		 12°C
(54°F)
Average high 7°C
(46°F)		 7°C
(44°F)		 10°C
(50°F)		 13°C
(55°F)		 17°C
(62°F)		 20°C
(68°F)		 23°C
(74°F)		 24°C
(75°F)		 20°C
(68°F)		 14°C
(58°F)		 10°C
(50°F)		 7°C
(45°F)
Daily mean 5°C
(41°F)		 4°C
(40°F)		 6°C
(44°F)		 9°C
(48°F)		 13°C
(55°F)		 16°C
(60°F)		 18°C
(65°F)		 19°C
(66°F)		 16°C
(61°F)		 10°C
(51°F)		 7°C
(46°F)		 5°C
(41°F)
Average low 3°C
(38°F)		 2°C
(36°F)		 3°C
(39°F)		 6°C
(42°F)		 9°C
(48°F)		 12°C
(53°F)		 14°C
(57°F)		 14°C
(58°F)		 12°C
(54°F)		 7°C
(46°F)		 5°C
(41°F)		 3°C
(38°F)
Mean minimum -3°C
(27°F)		 -5°C
(23°F)		 -1°C
(30°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)		 2°C
(35°F)		 -0°C
(32°F)		 -3°C
(26°F)
Minimum -8°C
(17°F)		 -10°C
(14°F)		 -3°C
(27°F)		 1°C
(33°F)		 4°C
(39°F)		 7°C
(44°F)		 10°C
(50°F)		 10°C
(50°F)		 7°C
(45°F)		 -2°C
(29°F)		 -1°C
(30°F)		 -9°C
(16°F)

Compare climate in Auburn with other places

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

Monthly average precipitation in Auburn, Washington, United States §

Auburn usually has the most precipitation in February, November and December, with an average of 18 rainy days and 198 mm (7.8 inches) of precipitation per month.The driest months in Auburn are June, July and August. On average, 31 mm (1.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Auburn, 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) 187 (7.4) 193 (7.6) 138 (5.4) 120 (4.7) 69 (2.7) 64 (2.5) 13 (0.5) 16 (0.6) 97 (3.8) 153 (6.0) 193 (7.6) 208 (8.2)
Average precipitation days (≥ 1 mm) 17 19 18 15 12 9 3 4 11 15 18 19

Monthly sunshine hours in Auburn, Washington, United States §

The sunniest months in Auburn are June, July and August, when the sun shines an average of 11 hours 10 minutes a day.Least sunny months in Auburn: January, November and December receive an average of 3 hours 6 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Auburn, 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 80 117 198 229 304 316 372 339 258 193 113 92
Mean daily daylight hours 8h 58m 10h 18m 11h 57m 13h 39m 15h 6m 15h 50m 15h 25m 14h 7m 12h 29m 10h 48m 9h 18m 8h 32m

Solar UV radiation in Auburn, Washington, United States §

Auburn 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, 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 Auburn UV Index data.

Average daily maximum UV levels by month for Auburn, 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 3 2