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Monthly climate in Challenge-Brownsville, California, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Challenge-Brownsville features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 7 °C (45 °F) and 26 °C (80 °F) through the year, but rarely can drop to -5 °C (23 °F) or can rise to as high as 42 °C (108 °F). The average annual precipitation amounts to about 1468 mm (57.8 inches) and receives 73 rainy days on the 1 mm (0.04 inches) threshold annually. Challenge-Brownsville enjoys an average of 3345 hours of sunshine throughout the year, and daylight varies from 9 hours 25 minutes to 14 hours 53 minutes per day.

Monthly average temperatures in Challenge-Brownsville, California, United States §

The warmest months in Challenge-Brownsville are June, July and August, with daily mean temperatures ranging from 23 to 26 °C (74 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 8 °C (45 - 47 °F) throughout the day. On average each year, Challenge-Brownsville experiences 126 days above 25 °C (77.0 °F) and 12 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Challenge-Brownsville, 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
(73°F)		 27°C
(81°F)		 28°C
(82°F)		 31°C
(88°F)		 35°C
(95°F)		 42°C
(108°F)		 41°C
(106°F)		 40°C
(105°F)		 41°C
(107°F)		 35°C
(95°F)		 27°C
(81°F)		 23°C
(73°F)
Mean maximum 19°C
(67°F)		 23°C
(73°F)		 25°C
(77°F)		 29°C
(84°F)		 33°C
(92°F)		 37°C
(99°F)		 39°C
(103°F)		 38°C
(101°F)		 38°C
(100°F)		 31°C
(88°F)		 25°C
(77°F)		 19°C
(67°F)
Average high 12°C
(55°F)		 15°C
(58°F)		 16°C
(60°F)		 20°C
(68°F)		 24°C
(75°F)		 30°C
(86°F)		 34°C
(93°F)		 33°C
(92°F)		 29°C
(85°F)		 24°C
(75°F)		 17°C
(63°F)		 12°C
(55°F)
Daily mean 8°C
(46°F)		 8°C
(47°F)		 10°C
(50°F)		 14°C
(57°F)		 17°C
(64°F)		 23°C
(74°F)		 26°C
(80°F)		 25°C
(78°F)		 22°C
(71°F)		 16°C
(61°F)		 11°C
(52°F)		 7°C
(45°F)
Average low 4°C
(39°F)		 4°C
(39°F)		 5°C
(41°F)		 8°C
(46°F)		 11°C
(52°F)		 15°C
(60°F)		 18°C
(64°F)		 17°C
(63°F)		 14°C
(58°F)		 9°C
(49°F)		 6°C
(43°F)		 3°C
(38°F)
Mean minimum -2°C
(30°F)		 -3°C
(27°F)		 -1°C
(30°F)		 1°C
(35°F)		 5°C
(41°F)		 9°C
(49°F)		 14°C
(58°F)		 13°C
(56°F)		 8°C
(47°F)		 3°C
(39°F)		 0°C
(33°F)		 -1°C
(31°F)
Minimum -4°C
(25°F)		 -5°C
(23°F)		 -3°C
(26°F)		 -2°C
(29°F)		 2°C
(36°F)		 6°C
(43°F)		 13°C
(55°F)		 11°C
(53°F)		 5°C
(42°F)		 2°C
(37°F)		 -1°C
(31°F)		 -1°C
(30°F)

Compare climate in Challenge-Brownsville with other places

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

Monthly average precipitation in Challenge-Brownsville, California, United States §

Challenge-Brownsville usually has the most precipitation in January, February and March, with an average of 12 rainy days and 267 mm (10.5 inches) of precipitation per month. The driest months in Challenge-Brownsville are June, July and August. On average, 4 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Challenge-Brownsville, 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) 269 (10.6) 289 (11.4) 242 (9.5) 124 (4.9) 64 (2.5) 10 (0.4) 1 (0.0) 1 (0.0) 18 (0.7) 80 (3.1) 153 (6.0) 218 (8.6)
Average precipitation days (≥ 1 mm) 12 10 14 8 5 1 0 0 2 3 7 11

Monthly sunshine hours in Challenge-Brownsville, California, United States §

The sunniest months in Challenge-Brownsville are June, July and August, when the sun shines an average of 12 hours 29 minutes a day. Least sunny months in Challenge-Brownsville: January, February and December receive an average of 5 hours 34 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Challenge-Brownsville, 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 132 195 242 289 350 387 399 362 316 280 208 179
Mean daily daylight hours 9h 44m 10h 43m 11h 58m 13h 16m 14h 21m 14h 53m 14h 35m 13h 37m 12h 23m 11h 6m 9h 59m 9h 25m

Solar UV radiation in Challenge-Brownsville, California, United States §

Challenge-Brownsville experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 11 - 11, 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 4. For more detailed information, check out our hourly Challenge-Brownsville UV Index data.

Average daily maximum UV levels by month for Challenge-Brownsville, 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) 3 5 8 9 11 11 11 10 9 7 4 3

Detailed Monthly Weather Insights for Challenge-Brownsville, California, United States

Discover in-depth weather details for every month in Challenge-Brownsville. 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 Challenge-Brownsville'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.