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Monthly climate in Joshua Tree, California, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Joshua Tree features a cold desert climate (BWk).Temperatures typically range between 10 °C (49 °F) and 32 °C (89 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 45 °C (113 °F).The average annual precipitation amounts to about 115 mm (4.5 inches) and receives 14 rainy days on the 1 mm (0.04 inches) threshold annually.Joshua Tree enjoys an average of 3696 hours of sunshine throughout the year, and daylight varies from 9 hours 54 minutes to 14 hours 22 minutes per day.

Monthly average temperatures in Joshua Tree, California, United States §

The warmest months in Joshua Tree are June, July and August, with daily mean temperatures ranging from 29 to 32 °C (84 - 89 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 11 °C (49 - 52 °F) throughout the day. On average each year, Joshua Tree experiences 171 days above 25 °C (77.0 °F) and 4 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Joshua Tree, 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)		 25°C
(77°F)		 31°C
(88°F)		 35°C
(96°F)		 39°C
(103°F)		 44°C
(111°F)		 45°C
(113°F)		 43°C
(109°F)		 43°C
(110°F)		 36°C
(98°F)		 29°C
(84°F)		 23°C
(74°F)
Mean maximum 21°C
(70°F)		 24°C
(75°F)		 28°C
(83°F)		 33°C
(91°F)		 36°C
(97°F)		 39°C
(103°F)		 43°C
(109°F)		 41°C
(107°F)		 40°C
(105°F)		 32°C
(90°F)		 27°C
(81°F)		 22°C
(72°F)
Average high 16°C
(61°F)		 17°C
(63°F)		 21°C
(69°F)		 26°C
(79°F)		 29°C
(85°F)		 36°C
(97°F)		 38°C
(101°F)		 38°C
(100°F)		 34°C
(93°F)		 27°C
(80°F)		 21°C
(70°F)		 15°C
(59°F)
Daily mean 10°C
(50°F)		 11°C
(52°F)		 14°C
(58°F)		 19°C
(67°F)		 23°C
(73°F)		 29°C
(84°F)		 32°C
(89°F)		 31°C
(88°F)		 27°C
(81°F)		 20°C
(68°F)		 15°C
(59°F)		 10°C
(49°F)
Average low 5°C
(41°F)		 5°C
(42°F)		 8°C
(47°F)		 12°C
(55°F)		 15°C
(60°F)		 21°C
(70°F)		 25°C
(77°F)		 24°C
(75°F)		 19°C
(67°F)		 13°C
(55°F)		 8°C
(47°F)		 5°C
(41°F)
Mean minimum -0°C
(32°F)		 -1°C
(31°F)		 2°C
(36°F)		 6°C
(44°F)		 8°C
(47°F)		 15°C
(59°F)		 20°C
(68°F)		 18°C
(66°F)		 13°C
(56°F)		 6°C
(43°F)		 2°C
(36°F)		 -0°C
(32°F)
Minimum -2°C
(29°F)		 -3°C
(27°F)		 0°C
(33°F)		 5°C
(41°F)		 6°C
(44°F)		 13°C
(56°F)		 18°C
(65°F)		 18°C
(64°F)		 10°C
(51°F)		 2°C
(36°F)		 -1°C
(31°F)		 -1°C
(31°F)

Compare climate in Joshua Tree with other places

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

Monthly average precipitation in Joshua Tree, California, United States §

Joshua Tree usually has the most precipitation in January, February and December, with an average of 2 rainy days and 21 mm (0.8 inches) of precipitation per month.The driest months in Joshua Tree 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 Joshua Tree, 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) 19 (0.7) 21 (0.8) 17 (0.7) 10 (0.4) 2 (0.1) 0 (0.0) 8 (0.3) 3 (0.1) 2 (0.1) 5 (0.2) 6 (0.2) 22 (0.9)
Average precipitation days (≥ 1 mm) 3 2 3 1 1 0 1 1 0 0 0 2

Monthly sunshine hours in Joshua Tree, California, United States §

The sunniest months in Joshua Tree are May, June and July, when the sun shines an average of 12 hours 20 minutes a day.Least sunny months in Joshua Tree: January, February and December receive an average of 7 hours 28 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Joshua Tree, 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 195 250 301 330 372 379 382 361 324 301 261 234
Mean daily daylight hours 10h 9m 10h 57m 11h 59m 13h 3m 13h 56m 14h 22m 14h 8m 13h 21m 12h 20m 11h 16m 10h 21m 9h 54m

Solar UV radiation in Joshua Tree, California, United States §

Joshua Tree 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 exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Joshua Tree UV Index data.

Average daily maximum UV levels by month for Joshua Tree, 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 11 12 12 13 11 10 8 5 4