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Monthly climate in Monterey, California, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Monterey features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 11 °C (52 °F) and 15 °C (59 °F) through the year, but rarely can drop to 6 °C (44 °F) or can rise to as high as 29 °C (84 °F). The average annual precipitation amounts to about 558 mm (22.0 inches) and receives 59 rainy days on the 1 mm (0.04 inches) threshold annually. Monterey enjoys an average of 3444 hours of sunshine throughout the year, and daylight varies from 9 hours 41 minutes to 14 hours 36 minutes per day.

Monthly average temperatures in Monterey, California, United States §

The warmest months in Monterey are August, September and October, with daily mean temperatures ranging from 14 to 15 °C (58 - 59 °F) throughout the day. The coldest temperatures usually occur in February, March and April, when daily mean temperatures range from 11 to 11 °C (52 - 53 °F) throughout the day. On average each year, Monterey 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 Monterey, 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 18°C
(64°F)		 18°C
(65°F)		 17°C
(63°F)		 19°C
(67°F)		 17°C
(63°F)		 25°C
(78°F)		 16°C
(61°F)		 21°C
(70°F)		 29°C
(84°F)		 25°C
(77°F)		 20°C
(68°F)		 21°C
(69°F)
Mean maximum 16°C
(61°F)		 16°C
(61°F)		 15°C
(60°F)		 16°C
(61°F)		 15°C
(58°F)		 16°C
(62°F)		 15°C
(59°F)		 19°C
(66°F)		 21°C
(70°F)		 23°C
(73°F)		 19°C
(66°F)		 18°C
(64°F)
Average high 13°C
(55°F)		 12°C
(54°F)		 12°C
(54°F)		 12°C
(54°F)		 12°C
(54°F)		 13°C
(56°F)		 14°C
(57°F)		 15°C
(59°F)		 16°C
(61°F)		 16°C
(61°F)		 15°C
(59°F)		 13°C
(56°F)
Daily mean 12°C
(54°F)		 11°C
(53°F)		 11°C
(52°F)		 11°C
(53°F)		 12°C
(53°F)		 13°C
(55°F)		 13°C
(56°F)		 14°C
(58°F)		 15°C
(59°F)		 15°C
(59°F)		 14°C
(57°F)		 12°C
(54°F)
Average low 11°C
(52°F)		 11°C
(51°F)		 10°C
(51°F)		 11°C
(51°F)		 11°C
(52°F)		 12°C
(54°F)		 12°C
(55°F)		 14°C
(57°F)		 14°C
(58°F)		 14°C
(57°F)		 13°C
(55°F)		 11°C
(53°F)
Mean minimum 9°C
(48°F)		 8°C
(46°F)		 8°C
(46°F)		 9°C
(48°F)		 10°C
(50°F)		 11°C
(51°F)		 12°C
(53°F)		 12°C
(54°F)		 13°C
(55°F)		 12°C
(54°F)		 11°C
(51°F)		 9°C
(49°F)
Minimum 7°C
(46°F)		 6°C
(44°F)		 7°C
(45°F)		 8°C
(47°F)		 9°C
(48°F)		 10°C
(50°F)		 11°C
(51°F)		 12°C
(54°F)		 12°C
(54°F)		 10°C
(51°F)		 8°C
(46°F)		 8°C
(47°F)

Compare climate in Monterey with other places

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

Monthly average precipitation in Monterey, California, United States §

Monterey usually has the most precipitation in January, February and December, with an average of 10 rainy days and 108 mm (4.2 inches) of precipitation per month. The driest months in Monterey are June, July and September. On average, 4 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Monterey, 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) 112 (4.4) 106 (4.2) 93 (3.7) 35 (1.4) 26 (1.0) 5 (0.2) 4 (0.2) 5 (0.2) 4 (0.2) 21 (0.8) 42 (1.7) 105 (4.1)
Average precipitation days (≥ 1 mm) 10 10 12 6 4 0 0 0 0 2 5 10

Monthly sunshine hours in Monterey, California, United States §

The sunniest months in Monterey are May, June and July, when the sun shines an average of 11 hours 57 minutes a day. Least sunny months in Monterey: January, February and December receive an average of 6 hours 32 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Monterey, 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 163 221 268 301 354 368 377 347 309 287 235 210
Mean daily daylight hours 9h 58m 10h 51m 11h 59m 13h 9m 14h 7m 14h 36m 14h 20m 13h 28m 12h 21m 11h 12m 10h 11m 9h 41m

Solar UV radiation in Monterey, California, United States §

Monterey experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 11 - 11, 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 Monterey UV Index data.

Average daily maximum UV levels by month for Monterey, 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 11 11 11 9 7 5 3

Detailed Monthly Weather Insights for Monterey, California, United States

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