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Monthly climate in Drain, Oregon, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Drain features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 5 °C (41 °F) and 20 °C (69 °F) through the year, but rarely can drop to -9 °C (16 °F) or can rise to as high as 43 °C (109 °F). The average annual precipitation amounts to about 1226 mm (48.3 inches) and receives 130 rainy days on the 1 mm (0.04 inches) threshold annually. Drain enjoys an average of 2896 hours of sunshine throughout the year, and daylight varies from 8 hours 58 minutes to 15 hours 22 minutes per day.

Monthly average temperatures in Drain, Oregon, United States §

The warmest months in Drain are July, August and September, with daily mean temperatures ranging from 17 to 20 °C (63 - 69 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 5 °C (41 - 42 °F) throughout the day. On average each year, Drain experiences 70 days above 25 °C (77.0 °F) and 39 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Drain, 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 18°C
(65°F)		 20°C
(68°F)		 24°C
(75°F)		 28°C
(83°F)		 31°C
(88°F)		 43°C
(109°F)		 37°C
(99°F)		 41°C
(107°F)		 37°C
(100°F)		 28°C
(83°F)		 21°C
(71°F)		 18°C
(65°F)
Mean maximum 15°C
(59°F)		 16°C
(62°F)		 20°C
(69°F)		 25°C
(78°F)		 28°C
(83°F)		 33°C
(92°F)		 35°C
(95°F)		 38°C
(101°F)		 33°C
(92°F)		 24°C
(76°F)		 19°C
(66°F)		 15°C
(59°F)
Average high 10°C
(50°F)		 10°C
(50°F)		 13°C
(55°F)		 16°C
(61°F)		 20°C
(67°F)		 23°C
(75°F)		 28°C
(83°F)		 29°C
(84°F)		 24°C
(76°F)		 18°C
(64°F)		 13°C
(55°F)		 9°C
(48°F)
Daily mean 5°C
(42°F)		 5°C
(42°F)		 7°C
(46°F)		 10°C
(51°F)		 13°C
(57°F)		 17°C
(63°F)		 20°C
(68°F)		 20°C
(69°F)		 17°C
(63°F)		 12°C
(53°F)		 8°C
(46°F)		 5°C
(41°F)
Average low 2°C
(37°F)		 2°C
(35°F)		 3°C
(37°F)		 5°C
(42°F)		 8°C
(47°F)		 11°C
(52°F)		 13°C
(55°F)		 13°C
(56°F)		 11°C
(52°F)		 6°C
(44°F)		 4°C
(39°F)		 2°C
(36°F)
Mean minimum -4°C
(26°F)		 -3°C
(26°F)		 -3°C
(28°F)		 -0°C
(32°F)		 3°C
(37°F)		 6°C
(43°F)		 10°C
(49°F)		 9°C
(49°F)		 6°C
(42°F)		 0°C
(32°F)		 -3°C
(27°F)		 -4°C
(25°F)
Minimum -9°C
(16°F)		 -5°C
(23°F)		 -7°C
(20°F)		 -2°C
(29°F)		 2°C
(36°F)		 5°C
(42°F)		 8°C
(46°F)		 8°C
(46°F)		 3°C
(38°F)		 -2°C
(28°F)		 -4°C
(24°F)		 -7°C
(20°F)

Compare climate in Drain with other places

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

Monthly average precipitation in Drain, Oregon, United States §

Drain usually has the most precipitation in January, February and December, with an average of 16 rainy days and 176 mm (6.9 inches) of precipitation per month. The driest months in Drain are June, July and August. On average, 18 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Drain, 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) 156 (6.1) 196 (7.7) 145 (5.7) 132 (5.2) 65 (2.6) 46 (1.8) 2 (0.1) 6 (0.2) 73 (2.9) 89 (3.5) 139 (5.5) 176 (6.9)
Average precipitation days (≥ 1 mm) 16 17 17 14 10 6 0 1 7 11 14 17

Monthly sunshine hours in Drain, Oregon, United States §

The sunniest months in Drain are June, July and August, when the sun shines an average of 11 hours 59 minutes a day. Least sunny months in Drain: January, February and December receive an average of 3 hours 57 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Drain, 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 100 132 208 240 307 344 397 361 288 230 157 127
Mean daily daylight hours 9h 20m 10h 30m 11h 58m 13h 28m 14h 44m 15h 22m 15h 1m 13h 52m 12h 26m 10h 57m 9h 38m 8h 58m

Solar UV radiation in Drain, Oregon, United States §

Drain experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 10 - 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 Drain UV Index data.

Average daily maximum UV levels by month for Drain, 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 10 10 10 9 8 5 3 2

Detailed Monthly Weather Insights for Drain, Oregon, United States

Discover in-depth weather details for every month in Drain. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Drain's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.