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Monthly climate in Mountain Ranch, California, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Mountain Ranch features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 7 °C (45 °F) and 25 °C (78 °F) through the year, but rarely can drop to -10 °C (14 °F) or can rise to as high as 40 °C (104 °F).The average annual precipitation amounts to about 1141 mm (44.9 inches) and receives 63 rainy days on the 1 mm (0.04 inches) threshold annually.Mountain Ranch enjoys an average of 3469 hours of sunshine throughout the year, and daylight varies from 9 hours 32 minutes to 14 hours 45 minutes per day.

Monthly average temperatures in Mountain Ranch, California, United States §

The warmest months in Mountain Ranch are June, July and August, with daily mean temperatures ranging from 22 to 25 °C (71 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 8 °C (45 - 46 °F) throughout the day. On average each year, Mountain Ranch experiences 115 days above 25 °C (77.0 °F) and 21 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mountain Ranch, 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
(72°F)		 24°C
(75°F)		 26°C
(79°F)		 29°C
(85°F)		 33°C
(91°F)		 39°C
(102°F)		 40°C
(104°F)		 40°C
(104°F)		 40°C
(104°F)		 34°C
(93°F)		 27°C
(80°F)		 23°C
(73°F)
Mean maximum 19°C
(66°F)		 21°C
(69°F)		 24°C
(75°F)		 27°C
(80°F)		 30°C
(87°F)		 34°C
(94°F)		 37°C
(99°F)		 38°C
(100°F)		 37°C
(99°F)		 30°C
(86°F)		 24°C
(76°F)		 20°C
(68°F)
Average high 13°C
(55°F)		 14°C
(57°F)		 15°C
(59°F)		 19°C
(67°F)		 23°C
(73°F)		 29°C
(84°F)		 33°C
(92°F)		 33°C
(91°F)		 29°C
(85°F)		 24°C
(75°F)		 18°C
(64°F)		 13°C
(55°F)
Daily mean 7°C
(46°F)		 8°C
(46°F)		 9°C
(49°F)		 13°C
(55°F)		 16°C
(61°F)		 22°C
(71°F)		 25°C
(78°F)		 25°C
(77°F)		 22°C
(71°F)		 16°C
(61°F)		 11°C
(52°F)		 7°C
(45°F)
Average low 3°C
(38°F)		 3°C
(37°F)		 4°C
(40°F)		 7°C
(44°F)		 10°C
(49°F)		 14°C
(57°F)		 17°C
(63°F)		 17°C
(62°F)		 14°C
(57°F)		 9°C
(48°F)		 5°C
(42°F)		 3°C
(38°F)
Mean minimum -3°C
(27°F)		 -5°C
(24°F)		 -2°C
(29°F)		 0°C
(32°F)		 4°C
(39°F)		 8°C
(46°F)		 13°C
(56°F)		 12°C
(54°F)		 8°C
(47°F)		 3°C
(37°F)		 0°C
(32°F)		 -2°C
(28°F)
Minimum -6°C
(22°F)		 -10°C
(14°F)		 -4°C
(25°F)		 -2°C
(28°F)		 1°C
(33°F)		 6°C
(43°F)		 11°C
(52°F)		 11°C
(52°F)		 7°C
(44°F)		 1°C
(34°F)		 -2°C
(28°F)		 -3°C
(27°F)

Compare climate in Mountain Ranch with other places

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

Monthly average precipitation in Mountain Ranch, California, United States §

Mountain Ranch usually has the most precipitation in January, February and March, with an average of 10 rainy days and 216 mm (8.5 inches) of precipitation per month.The driest months in Mountain Ranch are June, July and August. On average, 2 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mountain Ranch, 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) 208 (8.2) 209 (8.2) 231 (9.1) 98 (3.9) 59 (2.3) 4 (0.2) 0 (0.0) 1 (0.0) 7 (0.3) 51 (2.0) 105 (4.1) 166 (6.5)
Average precipitation days (≥ 1 mm) 9 10 13 7 5 1 0 0 1 2 6 9

Monthly sunshine hours in Mountain Ranch, California, United States §

The sunniest months in Mountain Ranch are June, July and August, when the sun shines an average of 12 hours 31 minutes a day.Least sunny months in Mountain Ranch: January, February and December receive an average of 6 hours 8 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mountain Ranch, 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 154 209 254 302 360 389 398 365 321 289 229 195
Mean daily daylight hours 9h 50m 10h 47m 11h 59m 13h 13m 14h 15m 14h 45m 14h 28m 13h 33m 12h 22m 11h 9m 10h 5m 9h 32m

Solar UV radiation in Mountain Ranch, California, United States §

Mountain Ranch experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 11 - 12, 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 5. For more detailed information, check out our hourly Mountain Ranch UV Index data.

Average daily maximum UV levels by month for Mountain Ranch, 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 5 8 9 11 12 11 11 9 7 5 3