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Monthly climate in Yosemite Valley, California, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Yosemite Valley features a warm-summer Mediterranean climate (Csb).Temperatures typically range between -3 °C (27 °F) and 17 °C (63 °F) through the year, but rarely can drop to -21 °C (-5 °F) or can rise to as high as 29 °C (85 °F).The average annual precipitation amounts to about 1211 mm (47.7 inches) and receives 91 rainy days on the 1 mm (0.04 inches) threshold annually.Yosemite Valley enjoys an average of 3560 hours of sunshine throughout the year, and daylight varies from 9 hours 34 minutes to 14 hours 43 minutes per day.

Monthly average temperatures in Yosemite Valley, California, United States §

The warmest months in Yosemite Valley are June, July and August, with daily mean temperatures ranging from 13 to 17 °C (55 - 63 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -3 to -3 °C (27 - 27 °F) throughout the day. On average each year, Yosemite Valley experiences 19 days above 25 °C (77.0 °F) and 194 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Yosemite Valley, 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 11°C
(51°F)		 13°C
(56°F)		 13°C
(56°F)		 16°C
(60°F)		 24°C
(75°F)		 27°C
(81°F)		 29°C
(85°F)		 29°C
(84°F)		 28°C
(83°F)		 24°C
(75°F)		 18°C
(65°F)		 12°C
(55°F)
Mean maximum 9°C
(48°F)		 9°C
(49°F)		 10°C
(51°F)		 15°C
(59°F)		 19°C
(66°F)		 23°C
(74°F)		 27°C
(81°F)		 27°C
(81°F)		 26°C
(80°F)		 20°C
(69°F)		 16°C
(61°F)		 10°C
(50°F)
Average high 2°C
(36°F)		 3°C
(37°F)		 3°C
(38°F)		 8°C
(46°F)		 11°C
(53°F)		 19°C
(66°F)		 24°C
(75°F)		 23°C
(74°F)		 20°C
(68°F)		 14°C
(58°F)		 9°C
(48°F)		 2°C
(36°F)
Daily mean -3°C
(27°F)		 -3°C
(27°F)		 -2°C
(29°F)		 2°C
(36°F)		 6°C
(43°F)		 13°C
(55°F)		 17°C
(63°F)		 16°C
(62°F)		 13°C
(55°F)		 7°C
(44°F)		 2°C
(36°F)		 -3°C
(27°F)
Average low -7°C
(20°F)		 -8°C
(19°F)		 -6°C
(21°F)		 -4°C
(26°F)		 -0°C
(32°F)		 6°C
(42°F)		 10°C
(50°F)		 9°C
(49°F)		 6°C
(43°F)		 0°C
(32°F)		 -3°C
(26°F)		 -7°C
(20°F)
Mean minimum -16°C
(4°F)		 -18°C
(1°F)		 -14°C
(8°F)		 -12°C
(12°F)		 -8°C
(19°F)		 -2°C
(28°F)		 6°C
(43°F)		 5°C
(42°F)		 -1°C
(30°F)		 -6°C
(22°F)		 -13°C
(9°F)		 -15°C
(5°F)
Minimum -18°C
(0°F)		 -21°C
(-5°F)		 -17°C
(1°F)		 -18°C
(-0°F)		 -13°C
(9°F)		 -5°C
(24°F)		 3°C
(37°F)		 4°C
(39°F)		 -8°C
(18°F)		 -10°C
(15°F)		 -20°C
(-4°F)		 -17°C
(1°F)

Compare climate in Yosemite Valley with other places

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

Monthly average precipitation in Yosemite Valley, California, United States §

Yosemite Valley usually has the most precipitation in January, February and March, with an average of 11 rainy days and 221 mm (8.7 inches) of precipitation per month.The driest months in Yosemite Valley are June, August and September. On average, 18 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Yosemite Valley, 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) 227 (9.0) 226 (8.9) 209 (8.2) 102 (4.0) 68 (2.7) 20 (0.8) 24 (0.9) 17 (0.7) 17 (0.7) 43 (1.7) 98 (3.9) 160 (6.3)
Average precipitation days (≥ 1 mm) 9 11 13 8 11 5 6 5 4 3 6 10

Monthly sunshine hours in Yosemite Valley, California, United States §

The sunniest months in Yosemite Valley are May, June and July, when the sun shines an average of 12 hours 26 minutes a day.Least sunny months in Yosemite Valley: January, February and December receive an average of 6 hours 38 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Yosemite Valley, 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 169 224 272 317 365 387 391 363 322 292 241 209
Mean daily daylight hours 9h 52m 10h 48m 11h 59m 13h 12m 14h 13m 14h 43m 14h 26m 13h 32m 12h 22m 11h 9m 10h 6m 9h 34m

Solar UV radiation in Yosemite Valley, California, United States §

Yosemite Valley experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 12 - 12, which corresponds to the Extreme category of sun exposure.January, November 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 Yosemite Valley UV Index data.

Average daily maximum UV levels by month for Yosemite Valley, 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) 4 6 9 11 12 12 12 11 10 7 5 4