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Monthly climate in Klamath Falls, Oregon, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Klamath Falls features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 1 °C (33 °F) and 22 °C (72 °F) through the year, but rarely can drop to -20 °C (-3 °F) or can rise to as high as 39 °C (103 °F). The average annual precipitation amounts to about 552 mm (21.7 inches) and receives 90 rainy days on the 1 mm (0.04 inches) threshold annually. Klamath Falls enjoys an average of 3239 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 Klamath Falls, Oregon, United States §

The warmest months in Klamath Falls 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 1 to 1 °C (33 - 34 °F) throughout the day. On average each year, Klamath Falls experiences 82 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 Klamath Falls, 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 11°C
(52°F)		 16°C
(61°F)		 21°C
(70°F)		 27°C
(81°F)		 32°C
(90°F)		 39°C
(103°F)		 37°C
(99°F)		 37°C
(99°F)		 35°C
(96°F)		 30°C
(86°F)		 22°C
(71°F)		 13°C
(56°F)
Mean maximum 10°C
(50°F)		 13°C
(56°F)		 18°C
(65°F)		 24°C
(76°F)		 28°C
(83°F)		 32°C
(90°F)		 35°C
(95°F)		 35°C
(96°F)		 33°C
(91°F)		 25°C
(77°F)		 17°C
(64°F)		 10°C
(50°F)
Average high 5°C
(41°F)		 7°C
(44°F)		 10°C
(50°F)		 14°C
(58°F)		 19°C
(67°F)		 25°C
(76°F)		 30°C
(87°F)		 30°C
(86°F)		 24°C
(76°F)		 17°C
(62°F)		 9°C
(49°F)		 4°C
(40°F)
Daily mean 1°C
(34°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
(49°F)		 4°C
(40°F)		 1°C
(33°F)
Average low -3°C
(28°F)		 -3°C
(27°F)		 -1°C
(31°F)		 2°C
(35°F)		 5°C
(42°F)		 9°C
(49°F)		 13°C
(56°F)		 13°C
(56°F)		 9°C
(49°F)		 3°C
(39°F)		 0°C
(32°F)		 -2°C
(28°F)
Mean minimum -10°C
(15°F)		 -10°C
(14°F)		 -6°C
(21°F)		 -3°C
(27°F)		 -1°C
(31°F)		 2°C
(36°F)		 9°C
(48°F)		 8°C
(47°F)		 2°C
(37°F)		 -4°C
(26°F)		 -6°C
(22°F)		 -8°C
(18°F)
Minimum -20°C
(-3°F)		 -13°C
(8°F)		 -8°C
(18°F)		 -5°C
(24°F)		 -2°C
(29°F)		 1°C
(34°F)		 6°C
(43°F)		 7°C
(45°F)		 -1°C
(31°F)		 -6°C
(22°F)		 -9°C
(16°F)		 -11°C
(13°F)

Compare climate in Klamath Falls with other places

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

Monthly average precipitation in Klamath Falls, Oregon, United States §

Klamath Falls usually has the most precipitation in January, February and March, with an average of 12 rainy days and 78 mm (3.1 inches) of precipitation per month. The driest months in Klamath Falls are June, July and August. On average, 9 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Klamath Falls, 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) 79 (3.1) 83 (3.3) 71 (2.8) 54 (2.1) 46 (1.8) 17 (0.7) 6 (0.2) 6 (0.2) 25 (1.0) 39 (1.5) 60 (2.4) 66 (2.6)
Average precipitation days (≥ 1 mm) 12 12 14 10 8 4 1 1 4 5 8 11

Monthly sunshine hours in Klamath Falls, Oregon, United States §

The sunniest months in Klamath Falls are June, July and August, when the sun shines an average of 12 hours 27 minutes a day. Least sunny months in Klamath Falls: January, February and December receive an average of 5 hours 3 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Klamath Falls, 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 119 178 243 276 350 377 403 365 309 260 192 162
Mean daily daylight hours 9h 29m 10h 35m 11h 58m 13h 23m 14h 36m 15h 11m 14h 52m 13h 47m 12h 25m 11h 0m 9h 46m 9h 8m

Solar UV radiation in Klamath Falls, Oregon, United States §

Klamath Falls experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme category of sun exposure. January, February and December are in the 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 Klamath Falls UV Index data.

Average daily maximum UV levels by month for Klamath Falls, 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 7 9 11 11 11 10 9 6 4 3

Detailed Monthly Weather Insights for Klamath Falls, Oregon, United States

Discover in-depth weather details for every month in Klamath Falls. 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 Klamath Falls'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.