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Monthly climate in Prineville, Oregon, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Prineville features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 0 °C (33 °F) and 22 °C (72 °F) through the year, but rarely can drop to -28 °C (-18 °F) or can rise to as high as 42 °C (107 °F). The average annual precipitation amounts to about 515 mm (20.3 inches) and receives 104 rainy days on the 1 mm (0.04 inches) threshold annually. Prineville enjoys an average of 3168 hours of sunshine throughout the year, and daylight varies from 8 hours 53 minutes to 15 hours 27 minutes per day.

Monthly average temperatures in Prineville, Oregon, United States §

The warmest months in Prineville are June, July and August, with daily mean temperatures ranging from 17 to 22 °C (63 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 1 °C (33 - 34 °F) throughout the day. On average each year, Prineville experiences 77 days above 25 °C (77.0 °F) and 119 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Prineville, 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 13°C
(56°F)		 16°C
(61°F)		 19°C
(67°F)		 28°C
(82°F)		 33°C
(91°F)		 42°C
(107°F)		 39°C
(102°F)		 39°C
(102°F)		 37°C
(99°F)		 30°C
(86°F)		 22°C
(71°F)		 17°C
(63°F)
Mean maximum 10°C
(49°F)		 13°C
(56°F)		 17°C
(63°F)		 24°C
(75°F)		 29°C
(84°F)		 33°C
(91°F)		 36°C
(97°F)		 37°C
(98°F)		 34°C
(93°F)		 24°C
(76°F)		 18°C
(64°F)		 12°C
(54°F)
Average high 4°C
(40°F)		 6°C
(42°F)		 10°C
(50°F)		 14°C
(57°F)		 19°C
(67°F)		 24°C
(76°F)		 30°C
(87°F)		 30°C
(86°F)		 24°C
(75°F)		 16°C
(60°F)		 9°C
(49°F)		 4°C
(40°F)
Daily mean 0°C
(33°F)		 1°C
(34°F)		 4°C
(39°F)		 7°C
(46°F)		 12°C
(54°F)		 17°C
(63°F)		 22°C
(72°F)		 21°C
(71°F)		 16°C
(61°F)		 9°C
(48°F)		 4°C
(40°F)		 1°C
(33°F)
Average low -3°C
(27°F)		 -3°C
(27°F)		 -1°C
(30°F)		 1°C
(35°F)		 5°C
(42°F)		 9°C
(49°F)		 13°C
(55°F)		 13°C
(55°F)		 8°C
(47°F)		 3°C
(37°F)		 -0°C
(32°F)		 -2°C
(28°F)
Mean minimum -15°C
(5°F)		 -12°C
(11°F)		 -7°C
(19°F)		 -4°C
(25°F)		 -2°C
(29°F)		 3°C
(37°F)		 7°C
(45°F)		 6°C
(43°F)		 2°C
(35°F)		 -5°C
(23°F)		 -7°C
(19°F)		 -12°C
(11°F)
Minimum -28°C
(-18°F)		 -16°C
(4°F)		 -13°C
(8°F)		 -5°C
(24°F)		 -3°C
(27°F)		 2°C
(35°F)		 4°C
(40°F)		 5°C
(41°F)		 0°C
(33°F)		 -7°C
(19°F)		 -15°C
(6°F)		 -18°C
(0°F)

Compare climate in Prineville with other places

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

Monthly average precipitation in Prineville, Oregon, United States §

Prineville usually has the most precipitation in January, February and December, with an average of 14 rainy days and 70 mm (2.8 inches) of precipitation per month. The driest months in Prineville 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 Prineville, 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) 64 (2.5) 81 (3.2) 54 (2.1) 58 (2.3) 38 (1.5) 19 (0.8) 2 (0.1) 8 (0.3) 25 (1.0) 42 (1.6) 59 (2.3) 65 (2.6)
Average precipitation days (≥ 1 mm) 12 16 12 12 9 6 0 1 4 7 11 14

Monthly sunshine hours in Prineville, Oregon, United States §

The sunniest months in Prineville are June, July and August, when the sun shines an average of 12 hours 24 minutes a day. Least sunny months in Prineville: January, February and December receive an average of 4 hours 46 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Prineville, 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 112 163 248 275 347 370 409 361 298 246 176 158
Mean daily daylight hours 9h 16m 10h 28m 11h 57m 13h 29m 14h 48m 15h 27m 15h 5m 13h 55m 12h 27m 10h 55m 9h 35m 8h 53m

Solar UV radiation in Prineville, Oregon, United States §

Prineville experiences the highest level of ultraviolet (UV) radiation in May, July and August, 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 Prineville UV Index data.

Average daily maximum UV levels by month for Prineville, 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 10 10 10 10 8 6 3 2

Detailed Monthly Weather Insights for Prineville, Oregon, United States

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