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Monthly climate in Lancaster, California, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Lancaster features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 9 °C (48 °F) and 28 °C (82 °F) through the year, but rarely can drop to -5 °C (24 °F) or can rise to as high as 42 °C (108 °F).The average annual precipitation amounts to about 198 mm (7.8 inches) and receives 22 rainy days on the 1 mm (0.04 inches) threshold annually.Lancaster enjoys an average of 3612 hours of sunshine throughout the year, and daylight varies from 9 hours 51 minutes to 14 hours 25 minutes per day.

Monthly average temperatures in Lancaster, California, United States §

The warmest months in Lancaster are June, July and August, with daily mean temperatures ranging from 24 to 28 °C (76 - 82 °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, Lancaster experiences 147 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 Lancaster, 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 22°C
(72°F)		 25°C
(77°F)		 29°C
(84°F)		 32°C
(91°F)		 36°C
(98°F)		 41°C
(107°F)		 42°C
(108°F)		 41°C
(106°F)		 42°C
(107°F)		 36°C
(96°F)		 28°C
(82°F)		 22°C
(73°F)
Mean maximum 20°C
(69°F)		 22°C
(72°F)		 26°C
(79°F)		 31°C
(88°F)		 33°C
(92°F)		 36°C
(98°F)		 40°C
(104°F)		 39°C
(103°F)		 39°C
(102°F)		 31°C
(89°F)		 27°C
(80°F)		 21°C
(70°F)
Average high 15°C
(59°F)		 16°C
(61°F)		 18°C
(65°F)		 23°C
(74°F)		 26°C
(79°F)		 32°C
(89°F)		 35°C
(95°F)		 35°C
(95°F)		 31°C
(89°F)		 25°C
(78°F)		 20°C
(68°F)		 14°C
(58°F)
Daily mean 9°C
(49°F)		 10°C
(50°F)		 12°C
(54°F)		 16°C
(62°F)		 19°C
(67°F)		 24°C
(76°F)		 28°C
(82°F)		 27°C
(81°F)		 24°C
(76°F)		 18°C
(65°F)		 14°C
(57°F)		 9°C
(48°F)
Average low 5°C
(41°F)		 5°C
(41°F)		 7°C
(44°F)		 10°C
(51°F)		 13°C
(55°F)		 17°C
(63°F)		 21°C
(70°F)		 20°C
(69°F)		 17°C
(63°F)		 12°C
(54°F)		 8°C
(47°F)		 4°C
(40°F)
Mean minimum -1°C
(31°F)		 -1°C
(30°F)		 1°C
(33°F)		 5°C
(41°F)		 7°C
(45°F)		 11°C
(53°F)		 17°C
(62°F)		 16°C
(61°F)		 11°C
(52°F)		 6°C
(43°F)		 2°C
(36°F)		 -1°C
(30°F)
Minimum -1°C
(30°F)		 -3°C
(27°F)		 -0°C
(32°F)		 3°C
(38°F)		 6°C
(43°F)		 10°C
(50°F)		 14°C
(58°F)		 16°C
(61°F)		 8°C
(46°F)		 3°C
(37°F)		 -2°C
(28°F)		 -5°C
(24°F)

Compare climate in Lancaster with other places

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

Monthly average precipitation in Lancaster, California, United States §

Lancaster usually has the most precipitation in January, March and December, with an average of 4 rainy days and 40 mm (1.6 inches) of precipitation per month.The driest months in Lancaster are June, August and September. On average, 2 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Lancaster, 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) 41 (1.6) 31 (1.2) 38 (1.5) 17 (0.7) 7 (0.3) 1 (0.0) 2 (0.1) 1 (0.1) 2 (0.1) 3 (0.1) 12 (0.5) 42 (1.7)
Average precipitation days (≥ 1 mm) 4 4 6 1 1 0 0 0 1 0 1 4

Monthly sunshine hours in Lancaster, California, United States §

The sunniest months in Lancaster are May, June and July, when the sun shines an average of 12 hours 13 minutes a day.Least sunny months in Lancaster: January, February and December receive an average of 7 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Lancaster, 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 185 233 286 326 366 374 382 361 317 295 256 225
Mean daily daylight hours 10h 6m 10h 56m 11h 59m 13h 4m 13h 59m 14h 25m 14h 11m 13h 22m 12h 20m 11h 15m 10h 19m 9h 51m

Solar UV radiation in Lancaster, California, United States §

Lancaster experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 11 - 12, 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 5. For more detailed information, check out our hourly Lancaster UV Index data.

Average daily maximum UV levels by month for Lancaster, 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 9 10 11 12 12 11 10 7 5 4