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Monthly climate in Yoncalla, Oregon, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Yoncalla features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 4 °C (40 °F) and 20 °C (69 °F) through the year, but rarely can drop to -8 °C (17 °F) or can rise to as high as 42 °C (108 °F). The average annual precipitation amounts to about 1202 mm (47.3 inches) and receives 127 rainy days on the 1 mm (0.04 inches) threshold annually. Yoncalla enjoys an average of 2896 hours of sunshine throughout the year, and daylight varies from 9 hours 0 minutes to 15 hours 20 minutes per day.

Monthly average temperatures in Yoncalla, Oregon, United States §

The warmest months in Yoncalla 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 4 to 5 °C (40 - 42 °F) throughout the day. On average each year, Yoncalla experiences 71 days above 25 °C (77.0 °F) and 44 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Yoncalla, 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
(64°F)		 20°C
(69°F)		 23°C
(74°F)		 28°C
(82°F)		 31°C
(88°F)		 42°C
(108°F)		 37°C
(99°F)		 42°C
(107°F)		 38°C
(101°F)		 29°C
(84°F)		 21°C
(71°F)		 19°C
(66°F)
Mean maximum 15°C
(59°F)		 16°C
(62°F)		 20°C
(68°F)		 25°C
(78°F)		 28°C
(83°F)		 33°C
(92°F)		 35°C
(95°F)		 38°C
(101°F)		 33°C
(93°F)		 25°C
(77°F)		 19°C
(66°F)		 15°C
(59°F)
Average high 10°C
(50°F)		 10°C
(49°F)		 13°C
(55°F)		 16°C
(61°F)		 19°C
(67°F)		 23°C
(74°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
(41°F)		 7°C
(45°F)		 10°C
(50°F)		 13°C
(56°F)		 17°C
(63°F)		 20°C
(68°F)		 20°C
(69°F)		 17°C
(63°F)		 11°C
(53°F)		 8°C
(46°F)		 4°C
(40°F)
Average low 2°C
(36°F)		 1°C
(35°F)		 3°C
(37°F)		 5°C
(41°F)		 8°C
(46°F)		 11°C
(52°F)		 12°C
(55°F)		 13°C
(56°F)		 11°C
(52°F)		 6°C
(43°F)		 3°C
(39°F)		 1°C
(35°F)
Mean minimum -4°C
(25°F)		 -4°C
(25°F)		 -3°C
(27°F)		 -1°C
(31°F)		 3°C
(37°F)		 6°C
(42°F)		 9°C
(49°F)		 9°C
(48°F)		 5°C
(41°F)		 -0°C
(32°F)		 -3°C
(27°F)		 -4°C
(25°F)
Minimum -8°C
(17°F)		 -7°C
(20°F)		 -7°C
(20°F)		 -3°C
(27°F)		 2°C
(35°F)		 4°C
(39°F)		 8°C
(46°F)		 7°C
(46°F)		 3°C
(37°F)		 -3°C
(28°F)		 -4°C
(25°F)		 -6°C
(21°F)

Compare climate in Yoncalla with other places

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

Monthly average precipitation in Yoncalla, Oregon, United States §

Yoncalla usually has the most precipitation in January, February and December, with an average of 17 rainy days and 175 mm (6.9 inches) of precipitation per month. The driest months in Yoncalla 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 Yoncalla, 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) 158 (6.2) 199 (7.8) 141 (5.6) 131 (5.2) 65 (2.5) 40 (1.6) 2 (0.1) 6 (0.2) 70 (2.8) 87 (3.4) 135 (5.3) 169 (6.7)
Average precipitation days (≥ 1 mm) 16 17 16 14 10 6 0 1 6 10 13 18

Monthly sunshine hours in Yoncalla, Oregon, United States §

The sunniest months in Yoncalla are June, July and August, when the sun shines an average of 11 hours 59 minutes a day. Least sunny months in Yoncalla: 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 Yoncalla, 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 22m 10h 31m 11h 58m 13h 27m 14h 42m 15h 20m 14h 59m 13h 51m 12h 26m 10h 57m 9h 39m 9h 0m

Solar UV radiation in Yoncalla, Oregon, United States §

Yoncalla 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 Yoncalla UV Index data.

Average daily maximum UV levels by month for Yoncalla, 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 Yoncalla, Oregon, United States

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