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Monthly climate in Spring Valley Lake, California, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Spring Valley Lake features a hot-summer Mediterranean climate (Csa).Temperatures typically range between 8 °C (47 °F) and 28 °C (83 °F) through the year, but rarely can drop to -6 °C (22 °F) or can rise to as high as 42 °C (108 °F).The average annual precipitation amounts to about 216 mm (8.5 inches) and receives 28 rainy days on the 1 mm (0.04 inches) threshold annually.Spring Valley Lake enjoys an average of 3658 hours of sunshine throughout the year, and daylight varies from 9 hours 52 minutes to 14 hours 24 minutes per day.

Monthly average temperatures in Spring Valley Lake, California, United States §

The warmest months in Spring Valley Lake are June, July and August, with daily mean temperatures ranging from 25 to 28 °C (77 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 8 to 10 °C (47 - 49 °F) throughout the day. On average each year, Spring Valley Lake experiences 152 days above 25 °C (77.0 °F) and 8 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Spring Valley Lake, 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
(76°F)		 30°C
(87°F)		 33°C
(92°F)		 37°C
(99°F)		 42°C
(108°F)		 42°C
(107°F)		 41°C
(106°F)		 42°C
(107°F)		 36°C
(96°F)		 27°C
(82°F)		 23°C
(73°F)
Mean maximum 20°C
(69°F)		 22°C
(72°F)		 27°C
(80°F)		 31°C
(88°F)		 34°C
(93°F)		 37°C
(99°F)		 40°C
(105°F)		 40°C
(103°F)		 39°C
(103°F)		 32°C
(89°F)		 27°C
(80°F)		 21°C
(71°F)
Average high 14°C
(58°F)		 15°C
(60°F)		 18°C
(64°F)		 23°C
(74°F)		 26°C
(80°F)		 33°C
(91°F)		 36°C
(97°F)		 36°C
(96°F)		 32°C
(90°F)		 25°C
(78°F)		 20°C
(68°F)		 14°C
(58°F)
Daily mean 9°C
(48°F)		 10°C
(49°F)		 12°C
(53°F)		 16°C
(61°F)		 19°C
(67°F)		 25°C
(77°F)		 28°C
(83°F)		 28°C
(82°F)		 25°C
(76°F)		 18°C
(65°F)		 13°C
(56°F)		 8°C
(47°F)
Average low 4°C
(40°F)		 4°C
(40°F)		 6°C
(44°F)		 10°C
(50°F)		 12°C
(54°F)		 17°C
(63°F)		 21°C
(69°F)		 20°C
(69°F)		 17°C
(63°F)		 12°C
(53°F)		 7°C
(46°F)		 4°C
(39°F)
Mean minimum -1°C
(30°F)		 -2°C
(28°F)		 0°C
(33°F)		 4°C
(40°F)		 5°C
(42°F)		 11°C
(52°F)		 16°C
(62°F)		 15°C
(60°F)		 11°C
(53°F)		 5°C
(42°F)		 2°C
(35°F)		 -1°C
(30°F)
Minimum -2°C
(29°F)		 -6°C
(22°F)		 -2°C
(29°F)		 3°C
(38°F)		 3°C
(38°F)		 10°C
(50°F)		 15°C
(59°F)		 14°C
(58°F)		 9°C
(48°F)		 2°C
(36°F)		 -1°C
(30°F)		 -4°C
(24°F)

Compare climate in Spring Valley Lake with other places

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

Monthly average precipitation in Spring Valley Lake, California, United States §

Spring Valley Lake usually has the most precipitation in February, March and December, with an average of 5 rainy days and 41 mm (1.6 inches) of precipitation per month.The driest months in Spring Valley Lake are June, September and October. On average, 3 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Spring Valley Lake, 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) 35 (1.4) 40 (1.6) 40 (1.6) 17 (0.7) 7 (0.3) 2 (0.1) 6 (0.2) 6 (0.2) 2 (0.1) 5 (0.2) 13 (0.5) 44 (1.7)
Average precipitation days (≥ 1 mm) 5 5 7 1 2 0 1 2 0 0 1 4

Monthly sunshine hours in Spring Valley Lake, California, United States §

The sunniest months in Spring Valley Lake are May, June and July, when the sun shines an average of 12 hours 17 minutes a day.Least sunny months in Spring Valley Lake: January, February and December receive an average of 7 hours 16 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Spring Valley Lake, 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 190 243 294 327 369 379 382 362 321 299 257 227
Mean daily daylight hours 10h 7m 10h 56m 11h 59m 13h 4m 13h 58m 14h 24m 14h 10m 13h 22m 12h 20m 11h 16m 10h 20m 9h 52m

Solar UV radiation in Spring Valley Lake, California, United States §

Spring Valley Lake experiences the highest level of ultraviolet (UV) radiation in April, June and July, when the maximum UV index can reach values of 11 - 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 Spring Valley Lake UV Index data.

Average daily maximum UV levels by month for Spring Valley Lake, 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 11 12 12 11 10 8 5 4