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Monthly climate in Adelanto, California, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Adelanto features a cold semi-arid climate (BSk).Temperatures typically range between 8 °C (47 °F) and 27 °C (82 °F) through the year, but rarely can drop to -6 °C (22 °F) or can rise to as high as 41 °C (106 °F).The average annual precipitation amounts to about 267 mm (10.5 inches) and receives 36 rainy days on the 1 mm (0.04 inches) threshold annually.Adelanto enjoys an average of 3598 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 Adelanto, California, United States §

The warmest months in Adelanto are June, July and August, with daily mean temperatures ranging from 24 to 27 °C (76 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 8 to 9 °C (47 - 49 °F) throughout the day. On average each year, Adelanto experiences 142 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 Adelanto, 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
(71°F)		 24°C
(75°F)		 29°C
(85°F)		 32°C
(90°F)		 36°C
(97°F)		 41°C
(105°F)		 41°C
(106°F)		 40°C
(104°F)		 41°C
(106°F)		 35°C
(95°F)		 26°C
(80°F)		 22°C
(72°F)
Mean maximum 19°C
(67°F)		 21°C
(71°F)		 26°C
(79°F)		 30°C
(87°F)		 33°C
(92°F)		 36°C
(97°F)		 39°C
(103°F)		 39°C
(102°F)		 38°C
(101°F)		 31°C
(88°F)		 26°C
(79°F)		 21°C
(70°F)
Average high 14°C
(57°F)		 15°C
(59°F)		 17°C
(63°F)		 22°C
(72°F)		 25°C
(78°F)		 32°C
(89°F)		 35°C
(95°F)		 35°C
(94°F)		 31°C
(88°F)		 25°C
(77°F)		 19°C
(67°F)		 13°C
(56°F)
Daily mean 8°C
(47°F)		 9°C
(49°F)		 11°C
(52°F)		 16°C
(60°F)		 18°C
(65°F)		 24°C
(76°F)		 27°C
(82°F)		 27°C
(81°F)		 24°C
(75°F)		 18°C
(65°F)		 13°C
(56°F)		 8°C
(47°F)
Average low 4°C
(40°F)		 4°C
(40°F)		 6°C
(43°F)		 10°C
(50°F)		 12°C
(54°F)		 17°C
(63°F)		 20°C
(69°F)		 20°C
(69°F)		 17°C
(63°F)		 12°C
(54°F)		 8°C
(46°F)		 4°C
(39°F)
Mean minimum -1°C
(30°F)		 -2°C
(28°F)		 0°C
(32°F)		 4°C
(40°F)		 5°C
(42°F)		 11°C
(51°F)		 16°C
(61°F)		 15°C
(60°F)		 11°C
(52°F)		 5°C
(42°F)		 2°C
(35°F)		 -1°C
(30°F)
Minimum -3°C
(26°F)		 -6°C
(22°F)		 -1°C
(30°F)		 3°C
(37°F)		 3°C
(38°F)		 9°C
(49°F)		 14°C
(57°F)		 14°C
(58°F)		 9°C
(48°F)		 2°C
(36°F)		 -2°C
(29°F)		 -5°C
(23°F)

Compare climate in Adelanto with other places

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

Monthly average precipitation in Adelanto, California, United States §

Adelanto usually has the most precipitation in February, March and December, with an average of 6 rainy days and 50 mm (2.0 inches) of precipitation per month.The driest months in Adelanto are June, September and October. On average, 4 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Adelanto, 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) 46 (1.8) 51 (2.0) 19 (0.7) 10 (0.4) 3 (0.1) 8 (0.3) 9 (0.4) 3 (0.1) 5 (0.2) 16 (0.6) 53 (2.1)
Average precipitation days (≥ 1 mm) 5 5 9 2 3 1 2 2 1 0 1 5

Monthly sunshine hours in Adelanto, California, United States §

The sunniest months in Adelanto are June, July and August, when the sun shines an average of 12 hours 11 minutes a day.Least sunny months in Adelanto: January, February and December receive an average of 7 hours 2 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Adelanto, 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 185 233 280 323 360 377 382 362 319 296 255 222
Mean daily daylight hours 10h 7m 10h 56m 11h 59m 13h 4m 13h 58m 14h 25m 14h 10m 13h 22m 12h 20m 11h 15m 10h 19m 9h 51m

Solar UV radiation in Adelanto, California, United States §

Adelanto 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 Adelanto UV Index data.

Average daily maximum UV levels by month for Adelanto, 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