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Monthly climate in Selma, Oregon, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Selma features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 3 °C (38 °F) and 22 °C (71 °F) through the year, but rarely can drop to -9 °C (16 °F) or can rise to as high as 40 °C (105 °F).The average annual precipitation amounts to about 1092 mm (43.0 inches) and receives 98 rainy days on the 1 mm (0.04 inches) threshold annually.Selma enjoys an average of 3044 hours of sunshine throughout the year, and daylight varies from 9 hours 7 minutes to 15 hours 12 minutes per day.

Monthly average temperatures in Selma, Oregon, United States §

The warmest months in Selma are June, July and August, with daily mean temperatures ranging from 17 to 22 °C (63 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 4 °C (38 - 39 °F) throughout the day. On average each year, Selma experiences 80 days above 25 °C (77.0 °F) and 68 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Selma, 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)		 20°C
(68°F)		 21°C
(71°F)		 26°C
(80°F)		 31°C
(87°F)		 39°C
(103°F)		 36°C
(97°F)		 40°C
(105°F)		 37°C
(100°F)		 30°C
(86°F)		 23°C
(74°F)		 17°C
(63°F)
Mean maximum 14°C
(58°F)		 16°C
(62°F)		 20°C
(68°F)		 25°C
(77°F)		 28°C
(83°F)		 33°C
(92°F)		 35°C
(95°F)		 36°C
(98°F)		 33°C
(92°F)		 26°C
(79°F)		 20°C
(68°F)		 14°C
(57°F)
Average high 8°C
(48°F)		 9°C
(48°F)		 11°C
(53°F)		 15°C
(60°F)		 20°C
(68°F)		 24°C
(76°F)		 30°C
(86°F)		 30°C
(85°F)		 25°C
(77°F)		 18°C
(65°F)		 12°C
(54°F)		 7°C
(46°F)
Daily mean 4°C
(39°F)		 4°C
(39°F)		 6°C
(43°F)		 9°C
(49°F)		 13°C
(56°F)		 17°C
(63°F)		 22°C
(71°F)		 21°C
(71°F)		 17°C
(63°F)		 11°C
(53°F)		 7°C
(44°F)		 3°C
(38°F)
Average low 0°C
(33°F)		 -0°C
(32°F)		 1°C
(34°F)		 4°C
(39°F)		 7°C
(45°F)		 11°C
(51°F)		 14°C
(57°F)		 14°C
(57°F)		 10°C
(51°F)		 5°C
(42°F)		 2°C
(36°F)		 -0°C
(32°F)
Mean minimum -6°C
(22°F)		 -6°C
(21°F)		 -5°C
(24°F)		 -2°C
(30°F)		 1°C
(34°F)		 4°C
(39°F)		 9°C
(48°F)		 8°C
(47°F)		 4°C
(40°F)		 -1°C
(31°F)		 -5°C
(24°F)		 -6°C
(21°F)
Minimum -9°C
(16°F)		 -8°C
(19°F)		 -9°C
(16°F)		 -4°C
(26°F)		 -1°C
(31°F)		 3°C
(38°F)		 7°C
(45°F)		 7°C
(45°F)		 1°C
(34°F)		 -3°C
(28°F)		 -9°C
(16°F)		 -8°C
(17°F)

Compare climate in Selma with other places

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

Monthly average precipitation in Selma, Oregon, United States §

Selma usually has the most precipitation in January, February and December, with an average of 13 rainy days and 181 mm (7.1 inches) of precipitation per month.The driest months in Selma are June, July and August. On average, 10 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Selma, 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) 192 (7.6) 195 (7.7) 140 (5.5) 108 (4.3) 60 (2.4) 23 (0.9) 2 (0.1) 5 (0.2) 35 (1.4) 52 (2.0) 125 (4.9) 155 (6.1)
Average precipitation days (≥ 1 mm) 14 13 15 11 6 4 1 1 4 6 11 12

Monthly sunshine hours in Selma, Oregon, United States §

The sunniest months in Selma are June, July and August, when the sun shines an average of 12 hours 19 minutes a day.Least sunny months in Selma: January, February and December receive an average of 4 hours 15 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Selma, 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 100 156 211 258 330 367 401 364 297 254 169 131
Mean daily daylight hours 9h 28m 10h 34m 11h 58m 13h 24m 14h 36m 15h 12m 14h 52m 13h 47m 12h 25m 11h 0m 9h 45m 9h 7m

Solar UV radiation in Selma, Oregon, United States §

Selma experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme 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 4. For more detailed information, check out our hourly Selma UV Index data.

Average daily maximum UV levels by month for Selma, 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) 3 4 6 8 11 11 10 10 8 6 4 2