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Monthly climate in Mexicali, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Mexicali features a hot desert climate (BWh). Temperatures typically range between 14 °C (58 °F) and 36 °C (98 °F) through the year, but rarely can drop to 1 °C (34 °F) or can rise to as high as 50 °C (123 °F). The average annual precipitation amounts to about 81 mm (3.2 inches) and receives 9 rainy days on the 1 mm (0.04 inches) threshold annually. Mexicali enjoys an average of 3716 hours of sunshine throughout the year, and daylight varies from 10 hours 0 minutes to 14 hours 15 minutes per day.

Monthly average temperatures in Mexicali, Mexico

The warmest months in Mexicali are June, July and August, with daily mean temperatures ranging from 33 to 36 °C (91 - 98 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 14 to 16 °C (58 - 62 °F) throughout the day. On average each year, Mexicali experiences 248 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mexicali. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum29°C
(85°F)		32°C
(90°F)		37°C
(100°F)		43°C
(110°F)		44°C
(111°F)		50°C
(122°F)		49°C
(121°F)		49°C
(120°F)		50°C
(123°F)		44°C
(111°F)		35°C
(96°F)		29°C
(84°F)
Mean maximum27°C
(82°F)		30°C
(86°F)		35°C
(95°F)		40°C
(104°F)		42°C
(108°F)		46°C
(114°F)		48°C
(119°F)		48°C
(118°F)		46°C
(115°F)		39°C
(103°F)		34°C
(93°F)		27°C
(81°F)
Average high22°C
(73°F)		24°C
(76°F)		28°C
(82°F)		33°C
(92°F)		36°C
(97°F)		42°C
(107°F)		44°C
(111°F)		44°C
(111°F)		40°C
(104°F)		34°C
(93°F)		28°C
(82°F)		21°C
(71°F)
Daily mean15°C
(59°F)		16°C
(62°F)		20°C
(68°F)		24°C
(76°F)		27°C
(82°F)		33°C
(91°F)		36°C
(98°F)		36°C
(98°F)		32°C
(90°F)		25°C
(78°F)		19°C
(67°F)		14°C
(58°F)
Average low9°C
(48°F)		9°C
(49°F)		12°C
(54°F)		16°C
(60°F)		19°C
(66°F)		24°C
(75°F)		29°C
(84°F)		29°C
(84°F)		24°C
(76°F)		17°C
(62°F)		12°C
(54°F)		8°C
(47°F)
Mean minimum3°C
(38°F)		3°C
(38°F)		7°C
(44°F)		11°C
(52°F)		13°C
(55°F)		18°C
(65°F)		23°C
(73°F)		24°C
(75°F)		18°C
(65°F)		11°C
(51°F)		8°C
(46°F)		4°C
(39°F)
Minimum2°C
(36°F)		1°C
(34°F)		4°C
(40°F)		9°C
(49°F)		12°C
(53°F)		16°C
(62°F)		20°C
(69°F)		21°C
(70°F)		15°C
(60°F)		8°C
(46°F)		5°C
(42°F)		3°C
(37°F)

Compare climate in Mexicali with other places

Compare temperature, precipitation, sunshine, UV index in Mexicali, Mexico with other places around the world.

Monthly average precipitation in Mexicali, Mexico

Mexicali usually has the most precipitation in January, February and March, with an average of 1 rainy days and 12 mm (0.5 inches) of precipitation per month. The driest months in Mexicali are May, June and October. On average, 2 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mexicali. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)10 (0.4)15 (0.6)10 (0.4)4 (0.2)1 (0.1)0 (0.0)8 (0.3)6 (0.3)9 (0.4)3 (0.1)4 (0.2)10 (0.4)
Average precipitation days (≥ 1 mm)211000211001

Monthly sunshine hours in Mexicali, Mexico

The sunniest months in Mexicali are May, June and July, when the sun shines an average of 12 hours 16 minutes a day. Least sunny months in Mexicali: January, February and December receive an average of 7 hours 40 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mexicali. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours202251306331374376378360323303262244
Mean daily daylight hours10h 15m11h 1m12h 0m13h 0m13h 51m14h 15m14h 2m13h 17m12h 19m11h 18m10h 27m10h 0m

Solar UV radiation in Mexicali, Mexico

Mexicali 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 Mexicali UV Index data.

Average daily maximum UV levels by month for Mexicali. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)469101112121110754