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Monthly climate in Coloma, California, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Coloma features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 9 °C (48 °F) and 26 °C (80 °F) through the year, but rarely can drop to -4 °C (26 °F) or can rise to as high as 42 °C (109 °F). The average annual precipitation amounts to about 1055 mm (41.5 inches) and receives 68 rainy days on the 1 mm (0.04 inches) threshold annually. Coloma enjoys an average of 3389 hours of sunshine throughout the year, and daylight varies from 9 hours 29 minutes to 14 hours 48 minutes per day.

Monthly average temperatures in Coloma, California, United States §

The warmest months in Coloma are June, July and August, with daily mean temperatures ranging from 24 to 26 °C (75 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 9 to 10 °C (48 - 50 °F) throughout the day. On average each year, Coloma experiences 139 days above 25 °C (77.0 °F) and 6 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Coloma, 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)		 25°C
(77°F)		 27°C
(82°F)		 31°C
(88°F)		 36°C
(97°F)		 41°C
(107°F)		 42°C
(107°F)		 42°C
(108°F)		 42°C
(109°F)		 37°C
(99°F)		 28°C
(82°F)		 23°C
(73°F)
Mean maximum 19°C
(67°F)		 22°C
(72°F)		 26°C
(79°F)		 29°C
(85°F)		 34°C
(94°F)		 38°C
(100°F)		 40°C
(104°F)		 40°C
(104°F)		 39°C
(103°F)		 32°C
(89°F)		 25°C
(77°F)		 20°C
(68°F)
Average high 14°C
(57°F)		 16°C
(61°F)		 17°C
(64°F)		 21°C
(71°F)		 26°C
(78°F)		 31°C
(89°F)		 35°C
(95°F)		 34°C
(93°F)		 31°C
(88°F)		 26°C
(78°F)		 18°C
(66°F)		 14°C
(57°F)
Daily mean 9°C
(48°F)		 10°C
(50°F)		 12°C
(53°F)		 15°C
(59°F)		 19°C
(66°F)		 24°C
(75°F)		 26°C
(80°F)		 26°C
(79°F)		 23°C
(74°F)		 18°C
(64°F)		 12°C
(54°F)		 9°C
(48°F)
Average low 5°C
(41°F)		 5°C
(41°F)		 6°C
(44°F)		 9°C
(49°F)		 12°C
(54°F)		 16°C
(61°F)		 18°C
(65°F)		 18°C
(65°F)		 16°C
(60°F)		 11°C
(51°F)		 7°C
(44°F)		 4°C
(40°F)
Mean minimum -1°C
(31°F)		 -2°C
(29°F)		 0°C
(33°F)		 3°C
(38°F)		 7°C
(45°F)		 11°C
(51°F)		 14°C
(58°F)		 14°C
(57°F)		 10°C
(50°F)		 5°C
(41°F)		 1°C
(34°F)		 0°C
(32°F)
Minimum -1°C
(30°F)		 -4°C
(26°F)		 -1°C
(30°F)		 1°C
(34°F)		 5°C
(40°F)		 9°C
(49°F)		 13°C
(55°F)		 13°C
(55°F)		 7°C
(45°F)		 4°C
(39°F)		 -1°C
(31°F)		 -1°C
(31°F)

Compare climate in Coloma with other places

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

Monthly average precipitation in Coloma, California, United States §

Coloma usually has the most precipitation in January, February and March, with an average of 11 rainy days and 193 mm (7.6 inches) of precipitation per month. The driest months in Coloma 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 Coloma, 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) 193 (7.6) 189 (7.4) 199 (7.8) 93 (3.7) 48 (1.9) 5 (0.2) 0 (0.0) 0 (0.0) 12 (0.5) 56 (2.2) 106 (4.2) 153 (6.0)
Average precipitation days (≥ 1 mm) 11 10 13 7 4 1 0 0 2 3 7 10

Monthly sunshine hours in Coloma, California, United States §

The sunniest months in Coloma are June, July and August, when the sun shines an average of 12 hours 21 minutes a day. Least sunny months in Coloma: January, February and December receive an average of 5 hours 53 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Coloma, 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 143 203 248 295 357 383 395 359 312 282 218 188
Mean daily daylight hours 9h 47m 10h 45m 11h 59m 13h 14m 14h 17m 14h 48m 14h 31m 13h 35m 12h 22m 11h 7m 10h 2m 9h 29m

Solar UV radiation in Coloma, California, United States §

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

Average daily maximum UV levels by month for Coloma, 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 10 11 11 10 9 6 4 3

Detailed Monthly Weather Insights for Coloma, California, United States

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