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Monthly climate in San Miguel, California, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification San Miguel features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 10 °C (49 °F) and 22 °C (72 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 40 °C (104 °F).The average annual precipitation amounts to about 344 mm (13.6 inches) and receives 34 rainy days on the 1 mm (0.04 inches) threshold annually.San Miguel enjoys an average of 3567 hours of sunshine throughout the year, and daylight varies from 9 hours 46 minutes to 14 hours 30 minutes per day.

Monthly average temperatures in San Miguel, California, United States §

The warmest months in San Miguel are July, August and September, with daily mean temperatures ranging from 21 to 22 °C (70 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 10 °C (49 - 51 °F) throughout the day. On average each year, San Miguel experiences 122 days above 25 °C (77.0 °F) and 4 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in San Miguel, 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 23°C
(74°F)		 26°C
(79°F)		 27°C
(82°F)		 33°C
(91°F)		 33°C
(92°F)		 37°C
(99°F)		 39°C
(102°F)		 39°C
(103°F)		 40°C
(104°F)		 35°C
(95°F)		 27°C
(81°F)		 25°C
(78°F)
Mean maximum 21°C
(69°F)		 22°C
(72°F)		 25°C
(77°F)		 29°C
(85°F)		 31°C
(88°F)		 34°C
(94°F)		 36°C
(98°F)		 35°C
(96°F)		 36°C
(98°F)		 31°C
(88°F)		 26°C
(79°F)		 21°C
(70°F)
Average high 16°C
(60°F)		 17°C
(62°F)		 18°C
(64°F)		 22°C
(71°F)		 24°C
(76°F)		 28°C
(82°F)		 29°C
(85°F)		 29°C
(85°F)		 28°C
(83°F)		 25°C
(77°F)		 20°C
(68°F)		 16°C
(61°F)
Daily mean 10°C
(50°F)		 10°C
(51°F)		 12°C
(53°F)		 15°C
(59°F)		 17°C
(63°F)		 21°C
(69°F)		 22°C
(72°F)		 22°C
(72°F)		 21°C
(70°F)		 17°C
(64°F)		 13°C
(56°F)		 10°C
(49°F)
Average low 5°C
(42°F)		 5°C
(40°F)		 6°C
(44°F)		 9°C
(48°F)		 11°C
(52°F)		 14°C
(58°F)		 16°C
(61°F)		 16°C
(62°F)		 15°C
(59°F)		 11°C
(52°F)		 7°C
(45°F)		 5°C
(41°F)
Mean minimum -1°C
(31°F)		 -1°C
(30°F)		 1°C
(34°F)		 4°C
(39°F)		 7°C
(45°F)		 10°C
(50°F)		 13°C
(56°F)		 13°C
(56°F)		 10°C
(50°F)		 6°C
(43°F)		 2°C
(36°F)		 -1°C
(31°F)
Minimum -2°C
(29°F)		 -3°C
(27°F)		 -0°C
(32°F)		 3°C
(37°F)		 5°C
(41°F)		 8°C
(47°F)		 12°C
(53°F)		 13°C
(55°F)		 8°C
(46°F)		 5°C
(41°F)		 -0°C
(32°F)		 -2°C
(29°F)

Compare climate in San Miguel with other places

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

Monthly average precipitation in San Miguel, California, United States §

San Miguel usually has the most precipitation in January, February and March, with an average of 7 rainy days and 74 mm (2.9 inches) of precipitation per month.The driest months in San Miguel are June, July and August. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Miguel, 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) 89 (3.5) 63 (2.5) 72 (2.8) 19 (0.7) 10 (0.4) 0 (0.0) 0 (0.0) 0 (0.0) 1 (0.0) 7 (0.3) 25 (1.0) 59 (2.3)
Average precipitation days (≥ 1 mm) 6 7 8 3 2 0 0 0 0 0 2 6

Monthly sunshine hours in San Miguel, California, United States §

The sunniest months in San Miguel are May, June and July, when the sun shines an average of 12 hours 18 minutes a day.Least sunny months in San Miguel: January, February and December receive an average of 6 hours 50 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Miguel, 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 174 226 281 314 369 376 386 359 317 294 244 220
Mean daily daylight hours 10h 2m 10h 54m 11h 59m 13h 7m 14h 3m 14h 30m 14h 15m 13h 25m 12h 20m 11h 13m 10h 15m 9h 46m

Solar UV radiation in San Miguel, California, United States §

San Miguel experiences the highest level of ultraviolet (UV) radiation in June, July 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 San Miguel UV Index data.

Average daily maximum UV levels by month for San Miguel, 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 12 11 9 7 5 3