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Monthly climate in Twentynine Palms, California, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Twentynine Palms features a cold desert climate (BWk). Temperatures typically range between 10 °C (51 °F) and 33 °C (92 °F) through the year, but rarely can drop to -2 °C (29 °F) or can rise to as high as 46 °C (115 °F). The average annual precipitation amounts to about 111 mm (4.4 inches) and receives 15 rainy days on the 1 mm (0.04 inches) threshold annually. Twentynine Palms enjoys an average of 3707 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 Twentynine Palms, California, United States §

The warmest months in Twentynine Palms are June, July and August, with daily mean temperatures ranging from 30 to 33 °C (87 - 92 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 12 °C (51 - 54 °F) throughout the day. On average each year, Twentynine Palms experiences 185 days above 25 °C (77.0 °F) and 2 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Twentynine Palms, 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 24°C
(75°F)		 26°C
(79°F)		 32°C
(90°F)		 37°C
(98°F)		 40°C
(105°F)		 45°C
(114°F)		 46°C
(115°F)		 44°C
(112°F)		 45°C
(113°F)		 38°C
(100°F)		 30°C
(87°F)		 24°C
(76°F)
Mean maximum 22°C
(71°F)		 25°C
(77°F)		 29°C
(85°F)		 34°C
(94°F)		 37°C
(99°F)		 41°C
(105°F)		 44°C
(112°F)		 43°C
(109°F)		 42°C
(107°F)		 34°C
(93°F)		 28°C
(83°F)		 22°C
(73°F)
Average high 17°C
(62°F)		 18°C
(65°F)		 22°C
(71°F)		 27°C
(82°F)		 31°C
(88°F)		 37°C
(99°F)		 39°C
(103°F)		 39°C
(103°F)		 35°C
(95°F)		 28°C
(82°F)		 22°C
(72°F)		 16°C
(61°F)
Daily mean 11°C
(52°F)		 12°C
(54°F)		 15°C
(60°F)		 21°C
(70°F)		 24°C
(76°F)		 30°C
(87°F)		 33°C
(92°F)		 33°C
(91°F)		 29°C
(84°F)		 21°C
(70°F)		 15°C
(60°F)		 10°C
(51°F)
Average low 6°C
(43°F)		 6°C
(44°F)		 9°C
(49°F)		 14°C
(57°F)		 17°C
(63°F)		 23°C
(73°F)		 26°C
(80°F)		 25°C
(78°F)		 21°C
(70°F)		 14°C
(57°F)		 9°C
(49°F)		 5°C
(42°F)
Mean minimum 1°C
(34°F)		 -0°C
(32°F)		 3°C
(38°F)		 8°C
(47°F)		 10°C
(50°F)		 16°C
(62°F)		 22°C
(71°F)		 20°C
(69°F)		 15°C
(59°F)		 7°C
(45°F)		 3°C
(38°F)		 1°C
(33°F)
Minimum -1°C
(30°F)		 -2°C
(29°F)		 1°C
(35°F)		 6°C
(44°F)		 8°C
(47°F)		 15°C
(59°F)		 20°C
(68°F)		 19°C
(67°F)		 11°C
(53°F)		 3°C
(37°F)		 1°C
(34°F)		 -1°C
(30°F)

Compare climate in Twentynine Palms with other places

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

Monthly average precipitation in Twentynine Palms, California, United States §

Twentynine Palms usually has the most precipitation in January, February and December, with an average of 2 rainy days and 17 mm (0.7 inches) of precipitation per month. The driest months in Twentynine Palms 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 Twentynine Palms, 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) 15 (0.6) 17 (0.7) 14 (0.6) 8 (0.3) 2 (0.1) 1 (0.0) 13 (0.5) 7 (0.3) 3 (0.1) 5 (0.2) 5 (0.2) 19 (0.7)
Average precipitation days (≥ 1 mm) 2 2 2 1 1 0 2 2 1 0 0 2

Monthly sunshine hours in Twentynine Palms, California, United States §

The sunniest months in Twentynine Palms are May, June and July, when the sun shines an average of 12 hours 20 minutes a day. Least sunny months in Twentynine Palms: January, February and December receive an average of 7 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Twentynine Palms, 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 196 250 305 331 375 379 380 361 324 301 262 237
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 Twentynine Palms, California, United States §

Twentynine Palms 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 Twentynine Palms UV Index data.

Average daily maximum UV levels by month for Twentynine Palms, 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

Detailed Monthly Weather Insights for Twentynine Palms, California, United States

Discover in-depth weather details for every month in Twentynine Palms. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Twentynine Palms's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.