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Monthly climate in Three Rivers, California, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Three Rivers features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 8 °C (47 °F) and 27 °C (81 °F) through the year, but rarely can drop to -8 °C (18 °F) or can rise to as high as 41 °C (105 °F).The average annual precipitation amounts to about 794 mm (31.3 inches) and receives 56 rainy days on the 1 mm (0.04 inches) threshold annually.Three Rivers enjoys an average of 3605 hours of sunshine throughout the year, and daylight varies from 9 hours 42 minutes to 14 hours 35 minutes per day.

Monthly average temperatures in Three Rivers, California, United States §

The warmest months in Three Rivers are July, August and September, with daily mean temperatures ranging from 23 to 27 °C (73 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 8 to 8 °C (47 - 47 °F) throughout the day. On average each year, Three Rivers experiences 119 days above 25 °C (77.0 °F) and 15 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Three Rivers, 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 22°C
(71°F)		 23°C
(74°F)		 26°C
(79°F)		 29°C
(84°F)		 34°C
(93°F)		 39°C
(102°F)		 40°C
(105°F)		 41°C
(105°F)		 40°C
(104°F)		 33°C
(91°F)		 26°C
(80°F)		 22°C
(73°F)
Mean maximum 19°C
(67°F)		 20°C
(69°F)		 24°C
(75°F)		 27°C
(80°F)		 31°C
(88°F)		 34°C
(93°F)		 38°C
(101°F)		 38°C
(101°F)		 38°C
(100°F)		 30°C
(86°F)		 25°C
(77°F)		 19°C
(66°F)
Average high 13°C
(56°F)		 14°C
(57°F)		 15°C
(60°F)		 19°C
(67°F)		 23°C
(74°F)		 30°C
(85°F)		 34°C
(93°F)		 34°C
(93°F)		 30°C
(87°F)		 24°C
(75°F)		 18°C
(66°F)		 13°C
(56°F)
Daily mean 8°C
(47°F)		 8°C
(47°F)		 10°C
(50°F)		 14°C
(57°F)		 17°C
(63°F)		 23°C
(73°F)		 27°C
(81°F)		 26°C
(80°F)		 23°C
(73°F)		 17°C
(63°F)		 12°C
(54°F)		 8°C
(47°F)
Average low 4°C
(39°F)		 3°C
(38°F)		 5°C
(41°F)		 8°C
(46°F)		 11°C
(52°F)		 16°C
(60°F)		 19°C
(67°F)		 19°C
(66°F)		 16°C
(60°F)		 10°C
(50°F)		 6°C
(44°F)		 4°C
(39°F)
Mean minimum -3°C
(27°F)		 -4°C
(25°F)		 -3°C
(28°F)		 2°C
(36°F)		 6°C
(42°F)		 9°C
(48°F)		 16°C
(61°F)		 16°C
(60°F)		 10°C
(50°F)		 5°C
(41°F)		 -0°C
(32°F)		 -2°C
(29°F)
Minimum -5°C
(23°F)		 -8°C
(18°F)		 -5°C
(24°F)		 -1°C
(30°F)		 3°C
(38°F)		 8°C
(47°F)		 14°C
(57°F)		 15°C
(59°F)		 7°C
(44°F)		 2°C
(36°F)		 -6°C
(21°F)		 -4°C
(25°F)

Compare climate in Three Rivers with other places

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

Monthly average precipitation in Three Rivers, California, United States §

Three Rivers usually has the most precipitation in January, February and March, with an average of 10 rainy days and 165 mm (6.5 inches) of precipitation per month.The driest months in Three Rivers are June, July and August. On average, 1 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Three Rivers, 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) 144 (5.7) 154 (6.1) 196 (7.7) 78 (3.1) 45 (1.8) 2 (0.1) 1 (0.0) 1 (0.0) 4 (0.2) 17 (0.7) 52 (2.1) 100 (3.9)
Average precipitation days (≥ 1 mm) 8 10 14 6 4 0 0 0 0 1 4 9

Monthly sunshine hours in Three Rivers, California, United States §

The sunniest months in Three Rivers are May, June and July, when the sun shines an average of 12 hours 24 minutes a day.Least sunny months in Three Rivers: January, February and December receive an average of 6 hours 59 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Three Rivers, 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 176 234 288 322 369 383 388 361 315 292 246 224
Mean daily daylight hours 9h 58m 10h 51m 11h 59m 13h 8m 14h 7m 14h 35m 14h 19m 13h 27m 12h 21m 11h 12m 10h 12m 9h 42m

Solar UV radiation in Three Rivers, California, United States §

Three Rivers experiences the highest level of ultraviolet (UV) radiation in June, July 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 Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Three Rivers UV Index data.

Average daily maximum UV levels by month for Three Rivers, 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 5 8 9 10 11 11 10 9 7 5 3