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Monthly climate in Hermosa Beach, California, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Hermosa Beach features a cold semi-arid climate (BSk).Temperatures typically range between 14 °C (57 °F) and 21 °C (69 °F) through the year, but rarely can drop to 7 °C (45 °F) or can rise to as high as 33 °C (91 °F).The average annual precipitation amounts to about 283 mm (11.2 inches) and receives 24 rainy days on the 1 mm (0.04 inches) threshold annually.Hermosa Beach enjoys an average of 3571 hours of sunshine throughout the year, and daylight varies from 9 hours 56 minutes to 14 hours 20 minutes per day.

Monthly average temperatures in Hermosa Beach, California, United States §

The warmest months in Hermosa Beach are July, August and September, with daily mean temperatures ranging from 20 to 21 °C (68 - 69 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 14 to 14 °C (57 - 58 °F) throughout the day. On average each year, Hermosa Beach experiences 9 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 Hermosa Beach, 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 25°C
(77°F)		 26°C
(78°F)		 22°C
(72°F)		 30°C
(86°F)		 24°C
(75°F)		 28°C
(82°F)		 29°C
(85°F)		 26°C
(80°F)		 29°C
(85°F)		 33°C
(91°F)		 29°C
(85°F)		 24°C
(75°F)
Mean maximum 22°C
(71°F)		 21°C
(70°F)		 20°C
(69°F)		 24°C
(76°F)		 21°C
(70°F)		 23°C
(73°F)		 25°C
(77°F)		 25°C
(77°F)		 26°C
(80°F)		 29°C
(85°F)		 26°C
(80°F)		 20°C
(69°F)
Average high 17°C
(62°F)		 16°C
(61°F)		 16°C
(62°F)		 17°C
(64°F)		 18°C
(64°F)		 19°C
(67°F)		 22°C
(71°F)		 22°C
(73°F)		 22°C
(72°F)		 22°C
(71°F)		 19°C
(67°F)		 17°C
(63°F)
Daily mean 14°C
(58°F)		 14°C
(57°F)		 14°C
(58°F)		 15°C
(60°F)		 16°C
(61°F)		 18°C
(64°F)		 20°C
(68°F)		 21°C
(69°F)		 20°C
(69°F)		 19°C
(67°F)		 17°C
(63°F)		 15°C
(58°F)
Average low 12°C
(54°F)		 12°C
(54°F)		 12°C
(55°F)		 14°C
(57°F)		 15°C
(59°F)		 16°C
(61°F)		 18°C
(65°F)		 19°C
(66°F)		 19°C
(66°F)		 17°C
(64°F)		 15°C
(59°F)		 12°C
(54°F)
Mean minimum 9°C
(48°F)		 8°C
(47°F)		 10°C
(50°F)		 12°C
(53°F)		 13°C
(55°F)		 15°C
(59°F)		 16°C
(62°F)		 17°C
(64°F)		 16°C
(62°F)		 15°C
(59°F)		 12°C
(53°F)		 9°C
(49°F)
Minimum 8°C
(47°F)		 7°C
(45°F)		 9°C
(48°F)		 11°C
(52°F)		 11°C
(53°F)		 14°C
(57°F)		 16°C
(60°F)		 16°C
(62°F)		 16°C
(61°F)		 13°C
(56°F)		 10°C
(50°F)		 9°C
(49°F)

Compare climate in Hermosa Beach with other places

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

Monthly average precipitation in Hermosa Beach, California, United States §

Hermosa Beach usually has the most precipitation in January, March and December, with an average of 4 rainy days and 62 mm (2.4 inches) of precipitation per month.The driest months in Hermosa Beach are June, August and September. On average, 1 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hermosa Beach, 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) 58 (2.3) 46 (1.8) 53 (2.1) 14 (0.6) 8 (0.3) 1 (0.1) 2 (0.1) 1 (0.0) 2 (0.1) 6 (0.3) 17 (0.7) 74 (2.9)
Average precipitation days (≥ 1 mm) 4 4 6 2 1 0 0 0 0 1 2 4

Monthly sunshine hours in Hermosa Beach, California, United States §

The sunniest months in Hermosa Beach are June, July and August, when the sun shines an average of 11 hours 57 minutes a day.Least sunny months in Hermosa Beach: January, February and December receive an average of 7 hours 9 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hermosa Beach, 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 191 233 290 318 346 362 378 359 315 292 256 227
Mean daily daylight hours 10h 11m 10h 58m 11h 59m 13h 2m 13h 55m 14h 20m 14h 6m 13h 19m 12h 19m 11h 17m 10h 23m 9h 56m

Solar UV radiation in Hermosa Beach, California, United States §

Hermosa Beach experiences the highest level of ultraviolet (UV) radiation in June, July and September, 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 5. For more detailed information, check out our hourly Hermosa Beach UV Index data.

Average daily maximum UV levels by month for Hermosa Beach, 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 6 8 9 10 11 11 10 10 7 5 4