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Monthly climate in Barstow Heights, California, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Barstow Heights features a cold semi-arid climate (BSk).Temperatures typically range between 9 °C (48 °F) and 30 °C (87 °F) through the year, but rarely can drop to -3 °C (28 °F) or can rise to as high as 44 °C (111 °F).The average annual precipitation amounts to about 122 mm (4.8 inches) and receives 19 rainy days on the 1 mm (0.04 inches) threshold annually.Barstow Heights enjoys an average of 3677 hours of sunshine throughout the year, and daylight varies from 9 hours 50 minutes to 14 hours 26 minutes per day.

Monthly average temperatures in Barstow Heights, California, United States §

The warmest months in Barstow Heights are June, July and August, with daily mean temperatures ranging from 27 to 30 °C (81 - 87 °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 - 51 °F) throughout the day. On average each year, Barstow Heights experiences 158 days above 25 °C (77.0 °F) and 9 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Barstow Heights, 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 23°C
(74°F)		 26°C
(78°F)		 31°C
(88°F)		 35°C
(94°F)		 39°C
(103°F)		 43°C
(109°F)		 44°C
(111°F)		 42°C
(109°F)		 42°C
(108°F)		 36°C
(97°F)		 28°C
(83°F)		 22°C
(72°F)
Mean maximum 20°C
(69°F)		 23°C
(74°F)		 28°C
(82°F)		 32°C
(90°F)		 35°C
(96°F)		 38°C
(101°F)		 42°C
(107°F)		 41°C
(105°F)		 40°C
(104°F)		 32°C
(90°F)		 27°C
(80°F)		 21°C
(70°F)
Average high 15°C
(59°F)		 16°C
(61°F)		 19°C
(67°F)		 24°C
(76°F)		 28°C
(82°F)		 34°C
(94°F)		 38°C
(100°F)		 37°C
(99°F)		 33°C
(91°F)		 26°C
(79°F)		 20°C
(69°F)		 14°C
(57°F)
Daily mean 9°C
(49°F)		 10°C
(51°F)		 13°C
(56°F)		 18°C
(64°F)		 21°C
(70°F)		 27°C
(81°F)		 30°C
(87°F)		 30°C
(86°F)		 26°C
(79°F)		 19°C
(66°F)		 14°C
(57°F)		 9°C
(48°F)
Average low 4°C
(40°F)		 5°C
(41°F)		 7°C
(45°F)		 11°C
(52°F)		 14°C
(58°F)		 19°C
(67°F)		 23°C
(74°F)		 22°C
(72°F)		 18°C
(65°F)		 12°C
(54°F)		 7°C
(45°F)		 4°C
(39°F)
Mean minimum -1°C
(30°F)		 -1°C
(30°F)		 1°C
(34°F)		 5°C
(41°F)		 7°C
(44°F)		 13°C
(55°F)		 18°C
(65°F)		 17°C
(62°F)		 12°C
(53°F)		 5°C
(41°F)		 2°C
(35°F)		 -1°C
(30°F)
Minimum -2°C
(29°F)		 -3°C
(28°F)		 -1°C
(31°F)		 3°C
(38°F)		 4°C
(40°F)		 11°C
(51°F)		 17°C
(63°F)		 15°C
(59°F)		 8°C
(47°F)		 2°C
(37°F)		 -1°C
(31°F)		 -3°C
(28°F)

Compare climate in Barstow Heights with other places

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

Monthly average precipitation in Barstow Heights, California, United States §

Barstow Heights usually has the most precipitation in January, March and December, with an average of 3 rainy days and 21 mm (0.8 inches) of precipitation per month.The driest months in Barstow Heights are May, June and September. On average, 2 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Barstow Heights, 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) 21 (0.8) 18 (0.7) 18 (0.7) 12 (0.5) 4 (0.2) 1 (0.1) 6 (0.2) 5 (0.2) 2 (0.1) 4 (0.2) 7 (0.3) 23 (0.9)
Average precipitation days (≥ 1 mm) 4 3 4 1 1 0 1 1 1 0 1 2

Monthly sunshine hours in Barstow Heights, California, United States §

The sunniest months in Barstow Heights are May, June and July, when the sun shines an average of 12 hours 20 minutes a day.Least sunny months in Barstow Heights: January, February and December receive an average of 7 hours 19 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Barstow Heights, 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 190 245 298 329 372 380 383 363 322 300 259 230
Mean daily daylight hours 10h 6m 10h 56m 11h 59m 13h 5m 14h 0m 14h 26m 14h 12m 13h 23m 12h 20m 11h 15m 10h 18m 9h 50m

Solar UV radiation in Barstow Heights, California, United States §

Barstow Heights 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 Barstow Heights UV Index data.

Average daily maximum UV levels by month for Barstow Heights, 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 8 5 4