nomadseason

Monthly climate in Cave Junction, Oregon, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Cave Junction features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 3 °C (38 °F) and 21 °C (71 °F) through the year, but rarely can drop to -12 °C (10 °F) or can rise to as high as 40 °C (104 °F). The average annual precipitation amounts to about 1393 mm (54.9 inches) and receives 102 rainy days on the 1 mm (0.04 inches) threshold annually. Cave Junction enjoys an average of 3044 hours of sunshine throughout the year, and daylight varies from 9 hours 8 minutes to 15 hours 11 minutes per day.

Monthly average temperatures in Cave Junction, Oregon, United States §

The warmest months in Cave Junction are July, August and September, with daily mean temperatures ranging from 17 to 21 °C (63 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 4 °C (38 - 39 °F) throughout the day. On average each year, Cave Junction experiences 79 days above 25 °C (77.0 °F) and 71 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Cave Junction, 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 16°C
(62°F)		 20°C
(69°F)		 22°C
(71°F)		 26°C
(79°F)		 31°C
(88°F)		 37°C
(99°F)		 36°C
(97°F)		 40°C
(104°F)		 38°C
(101°F)		 30°C
(87°F)		 23°C
(73°F)		 18°C
(65°F)
Mean maximum 14°C
(58°F)		 17°C
(62°F)		 20°C
(68°F)		 24°C
(76°F)		 29°C
(84°F)		 32°C
(91°F)		 35°C
(95°F)		 36°C
(96°F)		 34°C
(94°F)		 26°C
(79°F)		 20°C
(68°F)		 14°C
(58°F)
Average high 8°C
(48°F)		 9°C
(48°F)		 11°C
(52°F)		 15°C
(59°F)		 19°C
(67°F)		 24°C
(75°F)		 30°C
(85°F)		 29°C
(85°F)		 25°C
(76°F)		 18°C
(65°F)		 12°C
(54°F)		 8°C
(46°F)
Daily mean 4°C
(39°F)		 4°C
(39°F)		 5°C
(42°F)		 9°C
(48°F)		 13°C
(55°F)		 17°C
(63°F)		 21°C
(71°F)		 21°C
(70°F)		 17°C
(63°F)		 11°C
(53°F)		 7°C
(45°F)		 3°C
(38°F)
Average low 0°C
(33°F)		 -1°C
(31°F)		 1°C
(34°F)		 3°C
(38°F)		 7°C
(44°F)		 10°C
(51°F)		 13°C
(57°F)		 14°C
(57°F)		 10°C
(51°F)		 5°C
(42°F)		 2°C
(37°F)		 -0°C
(32°F)
Mean minimum -7°C
(20°F)		 -8°C
(19°F)		 -6°C
(22°F)		 -2°C
(29°F)		 0°C
(33°F)		 3°C
(38°F)		 9°C
(49°F)		 9°C
(48°F)		 4°C
(39°F)		 -0°C
(32°F)		 -5°C
(24°F)		 -6°C
(21°F)
Minimum -10°C
(14°F)		 -10°C
(14°F)		 -12°C
(10°F)		 -4°C
(25°F)		 -2°C
(28°F)		 2°C
(36°F)		 7°C
(45°F)		 8°C
(46°F)		 1°C
(35°F)		 -2°C
(29°F)		 -11°C
(13°F)		 -10°C
(14°F)

Compare climate in Cave Junction with other places

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

Monthly average precipitation in Cave Junction, Oregon, United States §

Cave Junction usually has the most precipitation in January, February and December, with an average of 14 rainy days and 230 mm (9.1 inches) of precipitation per month. The driest months in Cave Junction are June, July and August. On average, 12 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Cave Junction, 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) 246 (9.7) 246 (9.7) 179 (7.1) 136 (5.4) 66 (2.6) 30 (1.2) 2 (0.1) 5 (0.2) 45 (1.8) 71 (2.8) 168 (6.6) 198 (7.8)
Average precipitation days (≥ 1 mm) 15 14 16 11 7 4 0 0 5 6 11 13

Monthly sunshine hours in Cave Junction, Oregon, United States §

The sunniest months in Cave Junction are June, July and August, when the sun shines an average of 12 hours 19 minutes a day. Least sunny months in Cave Junction: January, February and December receive an average of 4 hours 15 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Cave Junction, 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 100 156 211 258 330 367 401 364 297 254 169 131
Mean daily daylight hours 9h 29m 10h 35m 11h 58m 13h 23m 14h 35m 15h 11m 14h 51m 13h 47m 12h 25m 11h 0m 9h 46m 9h 8m

Solar UV radiation in Cave Junction, Oregon, United States §

Cave Junction 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, February 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 Cave Junction UV Index data.

Average daily maximum UV levels by month for Cave Junction, 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 11 11 10 10 8 6 4 2

Detailed Monthly Weather Insights for Cave Junction, Oregon, United States

Discover in-depth weather details for every month in Cave Junction. 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 Cave Junction'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.