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Monthly climate in Big Bear City, California, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Big Bear City features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 6 °C (43 °F) and 25 °C (77 °F) through the year, but rarely can drop to -10 °C (15 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 344 mm (13.5 inches) and receives 49 rainy days on the 1 mm (0.04 inches) threshold annually.Big Bear City enjoys an average of 3692 hours of sunshine throughout the year, and daylight varies from 9 hours 53 minutes to 14 hours 23 minutes per day.

Monthly average temperatures in Big Bear City, California, United States §

The warmest months in Big Bear City are June, July and August, with daily mean temperatures ranging from 22 to 25 °C (72 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 6 °C (43 - 44 °F) throughout the day. On average each year, Big Bear City experiences 116 days above 25 °C (77.0 °F) and 33 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Big Bear City, 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)		 21°C
(70°F)		 26°C
(79°F)		 29°C
(84°F)		 34°C
(93°F)		 37°C
(98°F)		 38°C
(101°F)		 36°C
(98°F)		 37°C
(99°F)		 31°C
(88°F)		 25°C
(77°F)		 20°C
(69°F)
Mean maximum 18°C
(65°F)		 19°C
(66°F)		 22°C
(73°F)		 27°C
(80°F)		 30°C
(86°F)		 33°C
(91°F)		 36°C
(97°F)		 35°C
(95°F)		 34°C
(94°F)		 27°C
(82°F)		 24°C
(75°F)		 19°C
(67°F)
Average high 11°C
(53°F)		 12°C
(54°F)		 14°C
(58°F)		 20°C
(68°F)		 23°C
(73°F)		 29°C
(85°F)		 32°C
(89°F)		 31°C
(89°F)		 28°C
(83°F)		 22°C
(72°F)		 17°C
(63°F)		 11°C
(53°F)
Daily mean 6°C
(43°F)		 6°C
(43°F)		 8°C
(47°F)		 13°C
(56°F)		 16°C
(61°F)		 22°C
(72°F)		 25°C
(77°F)		 25°C
(77°F)		 21°C
(71°F)		 15°C
(60°F)		 11°C
(52°F)		 6°C
(44°F)
Average low 2°C
(35°F)		 2°C
(35°F)		 3°C
(38°F)		 7°C
(45°F)		 9°C
(49°F)		 15°C
(59°F)		 18°C
(65°F)		 18°C
(65°F)		 15°C
(60°F)		 10°C
(50°F)		 6°C
(43°F)		 2°C
(36°F)
Mean minimum -5°C
(24°F)		 -5°C
(23°F)		 -5°C
(24°F)		 0°C
(33°F)		 2°C
(35°F)		 8°C
(46°F)		 14°C
(57°F)		 13°C
(55°F)		 9°C
(49°F)		 2°C
(36°F)		 -1°C
(31°F)		 -6°C
(22°F)
Minimum -9°C
(15°F)		 -10°C
(15°F)		 -7°C
(20°F)		 -1°C
(30°F)		 -0°C
(32°F)		 6°C
(43°F)		 11°C
(51°F)		 12°C
(54°F)		 6°C
(43°F)		 -0°C
(32°F)		 -6°C
(22°F)		 -9°C
(15°F)

Compare climate in Big Bear City with other places

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

Monthly average precipitation in Big Bear City, California, United States §

Big Bear City usually has the most precipitation in January, February and July, with an average of 6 rainy days and 46 mm (1.8 inches) of precipitation per month.The driest months in Big Bear City are June, September and October. On average, 10 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Big Bear City, 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) 44 (1.7) 48 (1.9) 44 (1.7) 23 (0.9) 20 (0.8) 7 (0.3) 47 (1.9) 28 (1.1) 13 (0.5) 10 (0.4) 16 (0.6) 44 (1.7)
Average precipitation days (≥ 1 mm) 5 6 7 2 3 1 8 6 2 2 2 5

Monthly sunshine hours in Big Bear City, California, United States §

The sunniest months in Big Bear City are May, June and July, when the sun shines an average of 12 hours 21 minutes a day.Least sunny months in Big Bear City: January, February and December receive an average of 7 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Big Bear City, 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 194 248 300 330 372 380 383 363 323 301 260 233
Mean daily daylight hours 10h 8m 10h 57m 11h 59m 13h 3m 13h 57m 14h 23m 14h 9m 13h 21m 12h 20m 11h 16m 10h 21m 9h 53m

Solar UV radiation in Big Bear City, California, United States §

Big Bear City experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 12 - 13, which corresponds to the Extreme category of sun exposure.January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Big Bear City UV Index data.

Average daily maximum UV levels by month for Big Bear City, 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 7 9 11 12 12 13 11 11 8 6 4