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Monthly climate in Sea Ranch, California, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Sea Ranch features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 10 °C (50 °F) and 15 °C (59 °F) through the year, but rarely can drop to 3 °C (38 °F) or can rise to as high as 29 °C (85 °F). The average annual precipitation amounts to about 876 mm (34.5 inches) and receives 64 rainy days on the 1 mm (0.04 inches) threshold annually. Sea Ranch enjoys an average of 3173 hours of sunshine throughout the year, and daylight varies from 9 hours 29 minutes to 14 hours 49 minutes per day.

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

The warmest months in Sea Ranch are August, September and October, with daily mean temperatures ranging from 14 to 15 °C (57 - 59 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 10 to 10 °C (50 - 50 °F) throughout the day. On average each year, Sea Ranch experiences 0 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sea 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 16°C
(62°F)		 19°C
(67°F)		 17°C
(63°F)		 21°C
(69°F)		 18°C
(65°F)		 26°C
(80°F)		 20°C
(68°F)		 22°C
(71°F)		 29°C
(85°F)		 26°C
(78°F)		 18°C
(65°F)		 18°C
(65°F)
Mean maximum 15°C
(59°F)		 16°C
(61°F)		 15°C
(59°F)		 17°C
(63°F)		 17°C
(63°F)		 20°C
(68°F)		 19°C
(66°F)		 20°C
(68°F)		 24°C
(75°F)		 22°C
(72°F)		 17°C
(63°F)		 16°C
(61°F)
Average high 12°C
(53°F)		 12°C
(53°F)		 11°C
(53°F)		 12°C
(54°F)		 13°C
(56°F)		 15°C
(60°F)		 16°C
(60°F)		 16°C
(61°F)		 17°C
(63°F)		 16°C
(61°F)		 14°C
(57°F)		 12°C
(54°F)
Daily mean 10°C
(50°F)		 10°C
(50°F)		 10°C
(50°F)		 10°C
(51°F)		 11°C
(53°F)		 13°C
(56°F)		 14°C
(57°F)		 14°C
(58°F)		 15°C
(59°F)		 14°C
(57°F)		 12°C
(54°F)		 10°C
(51°F)
Average low 9°C
(48°F)		 8°C
(47°F)		 8°C
(47°F)		 9°C
(48°F)		 10°C
(50°F)		 11°C
(53°F)		 12°C
(53°F)		 13°C
(55°F)		 13°C
(56°F)		 12°C
(54°F)		 10°C
(51°F)		 9°C
(48°F)
Mean minimum 5°C
(42°F)		 5°C
(41°F)		 5°C
(42°F)		 6°C
(44°F)		 8°C
(46°F)		 9°C
(49°F)		 10°C
(51°F)		 11°C
(52°F)		 11°C
(52°F)		 9°C
(49°F)		 8°C
(46°F)		 6°C
(44°F)
Minimum 5°C
(41°F)		 3°C
(38°F)		 3°C
(38°F)		 5°C
(42°F)		 6°C
(44°F)		 9°C
(48°F)		 10°C
(50°F)		 10°C
(50°F)		 10°C
(51°F)		 9°C
(48°F)		 5°C
(41°F)		 5°C
(41°F)

Compare climate in Sea Ranch with other places

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

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

Sea Ranch usually has the most precipitation in January, February and December, with an average of 11 rainy days and 163 mm (6.4 inches) of precipitation per month. The driest months in Sea Ranch are June, July and August. On average, 3 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sea 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) 176 (6.9) 190 (7.5) 121 (4.8) 67 (2.6) 40 (1.6) 4 (0.1) 3 (0.1) 3 (0.1) 7 (0.3) 58 (2.3) 84 (3.3) 124 (4.9)
Average precipitation days (≥ 1 mm) 12 10 11 6 3 0 0 0 1 4 6 11

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

The sunniest months in Sea Ranch are May, June and July, when the sun shines an average of 11 hours 20 minutes a day. Least sunny months in Sea Ranch: January, February and December receive an average of 5 hours 36 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sea 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 132 204 260 287 333 358 350 309 288 267 206 172
Mean daily daylight hours 9h 47m 10h 45m 11h 59m 13h 14m 14h 17m 14h 49m 14h 31m 13h 35m 12h 22m 11h 7m 10h 2m 9h 29m

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

Sea Ranch experiences the highest level of ultraviolet (UV) radiation in May, June 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, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Sea Ranch UV Index data.

Average daily maximum UV levels by month for Sea 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) 3 5 7 8 11 11 10 10 8 6 4 3

Detailed Monthly Weather Insights for Sea Ranch, California, United States

Discover in-depth weather details for every month in Sea Ranch. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Sea Ranch's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.