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Monthly climate in Cohasset, California, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Cohasset features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 6 °C (43 °F) and 27 °C (81 °F) through the year, but rarely can drop to -8 °C (19 °F) or can rise to as high as 41 °C (106 °F). The average annual precipitation amounts to about 1091 mm (42.9 inches) and receives 75 rainy days on the 1 mm (0.04 inches) threshold annually. Cohasset enjoys an average of 3340 hours of sunshine throughout the year, and daylight varies from 9 hours 22 minutes to 14 hours 56 minutes per day.

Monthly average temperatures in Cohasset, California, United States §

The warmest months in Cohasset are June, July and August, with daily mean temperatures ranging from 23 to 27 °C (73 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 7 °C (43 - 46 °F) throughout the day. On average each year, Cohasset experiences 122 days above 25 °C (77.0 °F) and 23 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Cohasset, 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)		 26°C
(78°F)		 26°C
(79°F)		 30°C
(86°F)		 34°C
(94°F)		 40°C
(104°F)		 41°C
(106°F)		 40°C
(104°F)		 40°C
(105°F)		 35°C
(95°F)		 27°C
(81°F)		 22°C
(71°F)
Mean maximum 19°C
(66°F)		 21°C
(71°F)		 24°C
(75°F)		 28°C
(83°F)		 33°C
(91°F)		 36°C
(97°F)		 39°C
(103°F)		 38°C
(101°F)		 37°C
(99°F)		 30°C
(87°F)		 24°C
(76°F)		 18°C
(65°F)
Average high 12°C
(53°F)		 14°C
(57°F)		 15°C
(59°F)		 19°C
(67°F)		 24°C
(75°F)		 30°C
(86°F)		 34°C
(94°F)		 33°C
(92°F)		 29°C
(85°F)		 23°C
(74°F)		 17°C
(62°F)		 11°C
(53°F)
Daily mean 7°C
(44°F)		 7°C
(46°F)		 9°C
(48°F)		 13°C
(56°F)		 17°C
(63°F)		 23°C
(73°F)		 27°C
(81°F)		 26°C
(78°F)		 21°C
(71°F)		 15°C
(60°F)		 10°C
(50°F)		 6°C
(43°F)
Average low 3°C
(37°F)		 3°C
(37°F)		 4°C
(39°F)		 7°C
(45°F)		 11°C
(51°F)		 15°C
(60°F)		 18°C
(65°F)		 18°C
(64°F)		 14°C
(57°F)		 9°C
(48°F)		 5°C
(41°F)		 2°C
(36°F)
Mean minimum -4°C
(26°F)		 -4°C
(26°F)		 -3°C
(27°F)		 0°C
(33°F)		 4°C
(40°F)		 8°C
(47°F)		 14°C
(58°F)		 13°C
(56°F)		 7°C
(45°F)		 3°C
(38°F)		 -2°C
(29°F)		 -2°C
(29°F)
Minimum -6°C
(21°F)		 -8°C
(19°F)		 -7°C
(20°F)		 -1°C
(30°F)		 1°C
(34°F)		 5°C
(41°F)		 13°C
(56°F)		 12°C
(54°F)		 4°C
(39°F)		 2°C
(35°F)		 -5°C
(23°F)		 -5°C
(24°F)

Compare climate in Cohasset with other places

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

Monthly average precipitation in Cohasset, California, United States §

Cohasset usually has the most precipitation in January, February and March, with an average of 11 rainy days and 194 mm (7.6 inches) of precipitation per month. The driest months in Cohasset are June, July and August. On average, 7 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Cohasset, 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) 200 (7.9) 206 (8.1) 177 (7.0) 90 (3.6) 62 (2.4) 15 (0.6) 2 (0.1) 4 (0.2) 15 (0.6) 58 (2.3) 107 (4.2) 154 (6.1)
Average precipitation days (≥ 1 mm) 11 10 14 9 6 2 0 0 2 3 7 11

Monthly sunshine hours in Cohasset, California, United States §

The sunniest months in Cohasset are June, July and August, when the sun shines an average of 12 hours 29 minutes a day. Least sunny months in Cohasset: January, February and December receive an average of 5 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Cohasset, 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 129 196 241 288 353 388 399 360 316 280 209 175
Mean daily daylight hours 9h 41m 10h 42m 11h 58m 13h 17m 14h 23m 14h 56m 14h 38m 13h 39m 12h 23m 11h 5m 9h 57m 9h 22m

Solar UV radiation in Cohasset, California, United States §

Cohasset experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 11 - 11, 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 4. For more detailed information, check out our hourly Cohasset UV Index data.

Average daily maximum UV levels by month for Cohasset, 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 11 10 9 7 4 3

Detailed Monthly Weather Insights for Cohasset, California, United States

Discover in-depth weather details for every month in Cohasset. 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 Cohasset'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.