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Monthly climate in Eugene, Oregon, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Eugene features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 5 °C (41 °F) and 21 °C (69 °F) through the year, but rarely can drop to -12 °C (11 °F) or can rise to as high as 44 °C (111 °F).The average annual precipitation amounts to about 1229 mm (48.4 inches) and receives 127 rainy days on the 1 mm (0.04 inches) threshold annually.Eugene enjoys an average of 2833 hours of sunshine throughout the year, and daylight varies from 8 hours 55 minutes to 15 hours 25 minutes per day.

Monthly average temperatures in Eugene, Oregon, United States §

The warmest months in Eugene are July, August and September, with daily mean temperatures ranging from 17 to 21 °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, Eugene experiences 70 days above 25 °C (77.0 °F) and 45 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Eugene, 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)		 19°C
(67°F)		 23°C
(74°F)		 28°C
(83°F)		 29°C
(85°F)		 44°C
(111°F)		 37°C
(99°F)		 40°C
(104°F)		 37°C
(98°F)		 28°C
(82°F)		 21°C
(70°F)		 18°C
(65°F)
Mean maximum 15°C
(59°F)		 16°C
(61°F)		 20°C
(68°F)		 25°C
(77°F)		 28°C
(83°F)		 33°C
(91°F)		 35°C
(95°F)		 37°C
(100°F)		 33°C
(92°F)		 24°C
(76°F)		 18°C
(65°F)		 15°C
(60°F)
Average high 9°C
(49°F)		 9°C
(49°F)		 12°C
(55°F)		 16°C
(60°F)		 19°C
(67°F)		 24°C
(75°F)		 29°C
(84°F)		 29°C
(84°F)		 24°C
(76°F)		 18°C
(64°F)		 12°C
(55°F)		 9°C
(48°F)
Daily mean 5°C
(42°F)		 5°C
(41°F)		 7°C
(45°F)		 10°C
(50°F)		 13°C
(57°F)		 17°C
(63°F)		 20°C
(69°F)		 21°C
(69°F)		 17°C
(63°F)		 11°C
(53°F)		 8°C
(46°F)		 5°C
(41°F)
Average low 2°C
(36°F)		 1°C
(35°F)		 3°C
(37°F)		 5°C
(41°F)		 8°C
(47°F)		 11°C
(52°F)		 13°C
(55°F)		 13°C
(55°F)		 11°C
(51°F)		 6°C
(43°F)		 4°C
(39°F)		 2°C
(36°F)
Mean minimum -5°C
(24°F)		 -4°C
(25°F)		 -3°C
(27°F)		 -1°C
(31°F)		 2°C
(37°F)		 6°C
(43°F)		 9°C
(49°F)		 8°C
(47°F)		 5°C
(41°F)		 -1°C
(31°F)		 -4°C
(26°F)		 -4°C
(25°F)
Minimum -12°C
(11°F)		 -6°C
(21°F)		 -7°C
(20°F)		 -2°C
(29°F)		 1°C
(34°F)		 5°C
(42°F)		 7°C
(45°F)		 7°C
(44°F)		 4°C
(39°F)		 -4°C
(25°F)		 -6°C
(22°F)		 -6°C
(21°F)

Compare climate in Eugene with other places

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

Monthly average precipitation in Eugene, Oregon, United States §

Eugene usually has the most precipitation in January, February and December, with an average of 17 rainy days and 176 mm (6.9 inches) of precipitation per month.The driest months in Eugene are June, July and August. On average, 16 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Eugene, 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) 152 (6.0) 197 (7.7) 139 (5.5) 134 (5.3) 62 (2.5) 41 (1.6) 2 (0.1) 5 (0.2) 76 (3.0) 99 (3.9) 141 (5.6) 180 (7.1)
Average precipitation days (≥ 1 mm) 15 18 16 14 9 6 0 1 6 10 14 18

Monthly sunshine hours in Eugene, Oregon, United States §

The sunniest months in Eugene are June, July and August, when the sun shines an average of 11 hours 51 minutes a day.Least sunny months in Eugene: January, February and December receive an average of 3 hours 48 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Eugene, 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 97 126 201 236 302 337 394 359 280 225 149 122
Mean daily daylight hours 9h 18m 10h 29m 11h 58m 13h 29m 14h 46m 15h 25m 15h 3m 13h 54m 12h 26m 10h 56m 9h 36m 8h 55m

Solar UV radiation in Eugene, Oregon, United States §

Eugene 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 Eugene UV Index data.

Average daily maximum UV levels by month for Eugene, 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