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Monthly climate in Mission, Oregon, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Mission features a hot-summer Mediterranean climate (Csa).Temperatures typically range between 2 °C (36 °F) and 25 °C (77 °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 505 mm (19.9 inches) and receives 98 rainy days on the 1 mm (0.04 inches) threshold annually.Mission enjoys an average of 3122 hours of sunshine throughout the year, and daylight varies from 8 hours 43 minutes to 15 hours 37 minutes per day.

Monthly average temperatures in Mission, Oregon, United States §

The warmest months in Mission are June, July and August, with daily mean temperatures ranging from 20 to 25 °C (68 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 2 °C (36 - 36 °F) throughout the day. On average each year, Mission experiences 86 days above 25 °C (77.0 °F) and 74 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mission, Oregon, 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 16°C
(61°F)		 18°C
(65°F)		 21°C
(70°F)		 28°C
(83°F)		 32°C
(90°F)		 45°C
(113°F)		 41°C
(106°F)		 40°C
(105°F)		 37°C
(99°F)		 29°C
(85°F)		 23°C
(73°F)		 20°C
(68°F)
Mean maximum 12°C
(54°F)		 16°C
(60°F)		 19°C
(67°F)		 24°C
(75°F)		 30°C
(86°F)		 34°C
(94°F)		 39°C
(102°F)		 38°C
(101°F)		 34°C
(93°F)		 25°C
(77°F)		 20°C
(67°F)		 16°C
(61°F)
Average high 5°C
(42°F)		 6°C
(44°F)		 12°C
(53°F)		 16°C
(61°F)		 22°C
(71°F)		 27°C
(80°F)		 32°C
(90°F)		 31°C
(88°F)		 25°C
(77°F)		 17°C
(62°F)		 10°C
(51°F)		 5°C
(42°F)
Daily mean 2°C
(36°F)		 2°C
(36°F)		 6°C
(44°F)		 10°C
(51°F)		 15°C
(60°F)		 20°C
(68°F)		 25°C
(77°F)		 24°C
(75°F)		 18°C
(65°F)		 11°C
(52°F)		 6°C
(42°F)		 2°C
(36°F)
Average low -1°C
(30°F)		 -2°C
(29°F)		 1°C
(35°F)		 4°C
(40°F)		 9°C
(48°F)		 13°C
(55°F)		 16°C
(61°F)		 16°C
(61°F)		 11°C
(52°F)		 5°C
(41°F)		 2°C
(35°F)		 -1°C
(30°F)
Mean minimum -10°C
(15°F)		 -11°C
(12°F)		 -6°C
(22°F)		 -2°C
(29°F)		 3°C
(37°F)		 7°C
(44°F)		 10°C
(51°F)		 9°C
(48°F)		 5°C
(40°F)		 -3°C
(27°F)		 -6°C
(22°F)		 -10°C
(14°F)
Minimum -18°C
(0°F)		 -14°C
(6°F)		 -13°C
(9°F)		 -5°C
(23°F)		 0°C
(33°F)		 6°C
(43°F)		 9°C
(49°F)		 7°C
(44°F)		 3°C
(38°F)		 -9°C
(16°F)		 -7°C
(19°F)		 -16°C
(4°F)

Compare climate in Mission with other places

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

Monthly average precipitation in Mission, Oregon, United States §

Mission usually has the most precipitation in February, November and December, with an average of 14 rainy days and 71 mm (2.8 inches) of precipitation per month.The driest months in Mission are June, July and August. On average, 8 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mission, Oregon, 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) 59 (2.3) 88 (3.5) 61 (2.4) 49 (1.9) 34 (1.3) 16 (0.6) 0 (0.0) 8 (0.3) 19 (0.7) 45 (1.8) 63 (2.5) 63 (2.5)
Average precipitation days (≥ 1 mm) 12 16 12 10 6 4 0 1 3 8 12 14

Monthly sunshine hours in Mission, Oregon, United States §

The sunniest months in Mission are June, July and August, when the sun shines an average of 12 hours 19 minutes a day.Least sunny months in Mission: January, February and December receive an average of 4 hours 34 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mission, Oregon, 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 113 153 241 280 339 366 410 356 294 241 174 148
Mean daily daylight hours 9h 8m 10h 23m 11h 57m 13h 34m 14h 56m 15h 37m 15h 14m 14h 1m 12h 28m 10h 52m 9h 27m 8h 43m

Solar UV radiation in Mission, Oregon, United States §

Mission experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure.January, November 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 Mission UV Index data.

Average daily maximum UV levels by month for Mission, Oregon, 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 4 6 7 9 10 10 9 7 5 3 2