Monthly climate in Klamath, California, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Klamath features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 7 °C (44 °F) and 17 °C (62 °F) through the year, but rarely can drop to -7 °C (20 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 1599 mm (63.0 inches) and receives 98 rainy days on the 1 mm (0.04 inches) threshold annually. Klamath enjoys an average of 3135 hours of sunshine throughout the year, and daylight varies from 9 hours 12 minutes to 15 hours 7 minutes per day.

Monthly average temperatures in Klamath, California, United States §

The warmest months in Klamath are July, August and September, with daily mean temperatures ranging from 15 to 17 °C (60 - 62 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 7 °C (44 - 45 °F) throughout the day. On average each year, Klamath experiences 5 days above 25 °C (77.0 °F) and 5 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, California, 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 17°C
(63°F)
21°C
(70°F)
18°C
(64°F)
21°C
(70°F)
23°C
(73°F)
28°C
(82°F)
27°C
(81°F)
28°C
(83°F)
31°C
(88°F)
25°C
(77°F)
19°C
(66°F)
18°C
(65°F)
Mean maximum 15°C
(59°F)
16°C
(61°F)
17°C
(62°F)
19°C
(66°F)
20°C
(69°F)
24°C
(75°F)
24°C
(76°F)
26°C
(78°F)
27°C
(81°F)
23°C
(74°F)
18°C
(64°F)
15°C
(60°F)
Average high 10°C
(51°F)
10°C
(50°F)
11°C
(51°F)
13°C
(55°F)
15°C
(58°F)
17°C
(64°F)
20°C
(68°F)
20°C
(69°F)
19°C
(67°F)
16°C
(62°F)
13°C
(55°F)
10°C
(50°F)
Daily mean 7°C
(45°F)
7°C
(44°F)
7°C
(46°F)
9°C
(49°F)
11°C
(53°F)
14°C
(58°F)
16°C
(61°F)
17°C
(62°F)
15°C
(60°F)
12°C
(54°F)
9°C
(49°F)
7°C
(45°F)
Average low 5°C
(41°F)
4°C
(39°F)
5°C
(40°F)
6°C
(43°F)
8°C
(47°F)
11°C
(52°F)
12°C
(54°F)
13°C
(55°F)
12°C
(53°F)
9°C
(48°F)
6°C
(44°F)
5°C
(40°F)
Mean minimum -1°C
(31°F)
-1°C
(31°F)
1°C
(33°F)
3°C
(37°F)
4°C
(40°F)
6°C
(44°F)
9°C
(49°F)
10°C
(51°F)
8°C
(46°F)
5°C
(41°F)
1°C
(35°F)
0°C
(33°F)
Minimum -7°C
(20°F)
-4°C
(24°F)
-2°C
(29°F)
0°C
(33°F)
2°C
(37°F)
5°C
(42°F)
9°C
(48°F)
10°C
(50°F)
6°C
(43°F)
4°C
(39°F)
-4°C
(25°F)
-2°C
(28°F)

Compare climate in Klamath with other places

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

Monthly average precipitation in Klamath, California, United States §

Klamath usually has the most precipitation in January, February and December, with an average of 14 rainy days and 262 mm (10.3 inches) of precipitation per month. The driest months in Klamath are June, July and August. On average, 13 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Klamath, California, 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) 296 (11.7) 267 (10.5) 218 (8.6) 151 (5.9) 69 (2.7) 32 (1.3) 3 (0.1) 5 (0.2) 52 (2.0) 85 (3.4) 198 (7.8) 223 (8.8)
Average precipitation days (≥ 1 mm) 15 14 16 10 6 3 0 0 4 6 10 14

Monthly sunshine hours in Klamath, California, United States §

The sunniest months in Klamath are June, July and August, when the sun shines an average of 12 hours 20 minutes a day. Least sunny months in Klamath: January, February and December receive an average of 4 hours 40 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Klamath, California, 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 107 172 225 263 335 371 400 363 299 263 189 145
Mean daily daylight hours 9h 32m 10h 37m 11h 58m 13h 21m 14h 32m 15h 7m 14h 47m 13h 44m 12h 24m 11h 1m 9h 49m 9h 12m

Solar UV radiation in Klamath, California, United States §

Klamath 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 Klamath UV Index data.

Average daily maximum UV levels by month for Klamath, California, 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 8 10 11 10 10 8 6 4 2

Detailed Monthly Weather Insights for Klamath, California, United States

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