nomadseason

Monthly climate in Mendocino, California, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Mendocino features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 10 °C (50 °F) and 18 °C (64 °F) through the year, but rarely can drop to 0 °C (32 °F) or can rise to as high as 36 °C (96 °F).The average annual precipitation amounts to about 718 mm (28.2 inches) and receives 67 rainy days on the 1 mm (0.04 inches) threshold annually.Mendocino enjoys an average of 3302 hours of sunshine throughout the year, and daylight varies from 9 hours 26 minutes to 14 hours 52 minutes per day.

Monthly average temperatures in Mendocino, California, United States §

The warmest months in Mendocino are July, August and September, with daily mean temperatures ranging from 17 to 18 °C (63 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 10 °C (50 - 50 °F) throughout the day. On average each year, Mendocino experiences 15 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 Mendocino, 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 21°C
(69°F)		 24°C
(76°F)		 23°C
(74°F)		 23°C
(74°F)		 26°C
(79°F)		 31°C
(88°F)		 29°C
(84°F)		 31°C
(88°F)		 36°C
(96°F)		 32°C
(90°F)		 22°C
(72°F)		 20°C
(68°F)
Mean maximum 17°C
(63°F)		 19°C
(67°F)		 21°C
(70°F)		 22°C
(71°F)		 24°C
(75°F)		 27°C
(81°F)		 26°C
(80°F)		 28°C
(83°F)		 31°C
(88°F)		 28°C
(82°F)		 21°C
(70°F)		 18°C
(65°F)
Average high 13°C
(56°F)		 14°C
(57°F)		 14°C
(58°F)		 16°C
(61°F)		 18°C
(64°F)		 21°C
(70°F)		 22°C
(72°F)		 23°C
(73°F)		 23°C
(73°F)		 21°C
(70°F)		 16°C
(61°F)		 13°C
(56°F)
Daily mean 10°C
(50°F)		 10°C
(50°F)		 10°C
(51°F)		 12°C
(54°F)		 14°C
(57°F)		 16°C
(62°F)		 17°C
(63°F)		 18°C
(64°F)		 18°C
(64°F)		 15°C
(60°F)		 12°C
(53°F)		 10°C
(50°F)
Average low 7°C
(45°F)		 6°C
(44°F)		 7°C
(44°F)		 8°C
(47°F)		 10°C
(50°F)		 12°C
(54°F)		 13°C
(55°F)		 14°C
(57°F)		 13°C
(56°F)		 11°C
(52°F)		 8°C
(47°F)		 7°C
(44°F)
Mean minimum 2°C
(36°F)		 2°C
(35°F)		 3°C
(37°F)		 5°C
(41°F)		 7°C
(45°F)		 9°C
(49°F)		 11°C
(52°F)		 12°C
(53°F)		 10°C
(50°F)		 7°C
(45°F)		 2°C
(37°F)		 3°C
(37°F)
Minimum 1°C
(34°F)		 -0°C
(32°F)		 2°C
(35°F)		 4°C
(39°F)		 6°C
(42°F)		 9°C
(48°F)		 11°C
(52°F)		 11°C
(51°F)		 8°C
(47°F)		 6°C
(43°F)		 1°C
(35°F)		 2°C
(35°F)

Compare climate in Mendocino with other places

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

Monthly average precipitation in Mendocino, California, United States §

Mendocino usually has the most precipitation in January, February and March, with an average of 11 rainy days and 131 mm (5.2 inches) of precipitation per month.The driest months in Mendocino 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 Mendocino, 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) 147 (5.8) 137 (5.4) 108 (4.2) 60 (2.4) 43 (1.7) 2 (0.1) 2 (0.1) 1 (0.0) 6 (0.2) 43 (1.7) 72 (2.8) 97 (3.8)
Average precipitation days (≥ 1 mm) 11 11 13 7 4 0 0 0 1 3 6 11

Monthly sunshine hours in Mendocino, California, United States §

The sunniest months in Mendocino are May, June and July, when the sun shines an average of 12 hours 4 minutes a day.Least sunny months in Mendocino: January, February and December receive an average of 5 hours 37 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mendocino, 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 132 204 260 290 348 376 386 343 301 275 208 174
Mean daily daylight hours 9h 44m 10h 43m 11h 58m 13h 15m 14h 20m 14h 52m 14h 34m 13h 37m 12h 23m 11h 6m 9h 59m 9h 26m

Solar UV radiation in Mendocino, California, United States §

Mendocino 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 Mendocino UV Index data.

Average daily maximum UV levels by month for Mendocino, 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 8 6 4 3