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Monthly climate in Sunriver, Oregon, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Sunriver features a warm-summer Mediterranean climate (Csb). Temperatures typically range between -1 °C (31 °F) and 19 °C (67 °F) through the year, but rarely can drop to -24 °C (-11 °F) or can rise to as high as 40 °C (104 °F). The average annual precipitation amounts to about 707 mm (27.8 inches) and receives 113 rainy days on the 1 mm (0.04 inches) threshold annually. Sunriver enjoys an average of 3134 hours of sunshine throughout the year, and daylight varies from 8 hours 56 minutes to 15 hours 23 minutes per day.

Monthly average temperatures in Sunriver, Oregon, United States §

The warmest months in Sunriver are June, July and August, with daily mean temperatures ranging from 15 to 19 °C (58 - 67 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 0 °C (31 - 32 °F) throughout the day. On average each year, Sunriver experiences 63 days above 25 °C (77.0 °F) and 154 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sunriver, 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 12°C
(53°F)		 16°C
(61°F)		 18°C
(65°F)		 26°C
(79°F)		 30°C
(86°F)		 40°C
(104°F)		 35°C
(95°F)		 36°C
(98°F)		 36°C
(97°F)		 29°C
(84°F)		 21°C
(70°F)		 17°C
(63°F)
Mean maximum 9°C
(49°F)		 12°C
(54°F)		 15°C
(60°F)		 22°C
(72°F)		 27°C
(80°F)		 31°C
(89°F)		 34°C
(93°F)		 35°C
(95°F)		 32°C
(90°F)		 24°C
(75°F)		 17°C
(62°F)		 11°C
(52°F)
Average high 3°C
(38°F)		 4°C
(40°F)		 8°C
(46°F)		 12°C
(53°F)		 17°C
(63°F)		 22°C
(72°F)		 28°C
(83°F)		 28°C
(83°F)		 22°C
(72°F)		 14°C
(57°F)		 8°C
(46°F)		 3°C
(38°F)
Daily mean -0°C
(32°F)		 -1°C
(31°F)		 2°C
(36°F)		 5°C
(42°F)		 10°C
(50°F)		 15°C
(58°F)		 19°C
(67°F)		 19°C
(66°F)		 14°C
(57°F)		 7°C
(45°F)		 3°C
(37°F)		 -0°C
(31°F)
Average low -3°C
(26°F)		 -5°C
(24°F)		 -3°C
(27°F)		 -1°C
(31°F)		 3°C
(37°F)		 6°C
(44°F)		 9°C
(48°F)		 9°C
(48°F)		 5°C
(42°F)		 1°C
(33°F)		 -1°C
(30°F)		 -4°C
(26°F)
Mean minimum -14°C
(8°F)		 -15°C
(4°F)		 -11°C
(13°F)		 -7°C
(20°F)		 -4°C
(26°F)		 -0°C
(31°F)		 2°C
(36°F)		 2°C
(35°F)		 -2°C
(30°F)		 -8°C
(19°F)		 -10°C
(14°F)		 -12°C
(10°F)
Minimum -23°C
(-9°F)		 -24°C
(-11°F)		 -14°C
(6°F)		 -11°C
(12°F)		 -5°C
(24°F)		 -2°C
(29°F)		 -0°C
(32°F)		 0°C
(32°F)		 -3°C
(26°F)		 -10°C
(14°F)		 -17°C
(1°F)		 -17°C
(2°F)

Compare climate in Sunriver with other places

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

Monthly average precipitation in Sunriver, Oregon, United States §

Sunriver usually has the most precipitation in January, February and December, with an average of 14 rainy days and 100 mm (3.9 inches) of precipitation per month. The driest months in Sunriver 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 Sunriver, 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) 95 (3.7) 114 (4.5) 74 (2.9) 69 (2.7) 46 (1.8) 29 (1.2) 10 (0.4) 15 (0.6) 39 (1.5) 46 (1.8) 79 (3.1) 91 (3.6)
Average precipitation days (≥ 1 mm) 13 16 14 11 10 7 2 4 5 6 11 14

Monthly sunshine hours in Sunriver, Oregon, United States §

The sunniest months in Sunriver are June, July and August, when the sun shines an average of 12 hours 26 minutes a day. Least sunny months in Sunriver: January, February and December receive an average of 4 hours 35 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sunriver, 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 112 155 243 268 340 367 409 367 298 246 174 149
Mean daily daylight hours 9h 19m 10h 29m 11h 58m 13h 28m 14h 45m 15h 23m 15h 2m 13h 53m 12h 26m 10h 56m 9h 37m 8h 56m

Solar UV radiation in Sunriver, Oregon, United States §

Sunriver 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, November 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 Sunriver UV Index data.

Average daily maximum UV levels by month for Sunriver, 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 5 7 8 11 11 10 10 8 6 4 2

Detailed Monthly Weather Insights for Sunriver, Oregon, United States

Discover in-depth weather details for every month in Sunriver. 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 Sunriver'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.