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Monthly climate in La Mesa, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification La Mesa features a hot semi-arid climate (BSh). Temperatures typically range between 11 °C (51 °F) and 29 °C (84 °F) through the year, but rarely can drop to -6 °C (21 °F) or can rise to as high as 40 °C (104 °F). The average annual precipitation amounts to about 257 mm (10.1 inches) and receives 37 rainy days on the 1 mm (0.04 inches) threshold annually. La Mesa enjoys an average of 3633 hours of sunshine throughout the year, and daylight varies from 10 hours 19 minutes to 13 hours 56 minutes per day.

Monthly average temperatures in La Mesa, Mexico

The warmest months in La Mesa are June, July and August, with daily mean temperatures ranging from 27 to 29 °C (80 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 11 to 14 °C (51 - 57 °F) throughout the day. On average each year, La Mesa experiences 220 days above 25 °C (77.0 °F) and 13 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in La Mesa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum29°C
(84°F)		31°C
(88°F)		35°C
(96°F)		35°C
(95°F)		39°C
(102°F)		40°C
(104°F)		39°C
(102°F)		38°C
(100°F)		35°C
(95°F)		34°C
(93°F)		31°C
(88°F)		28°C
(82°F)
Mean maximum26°C
(80°F)		29°C
(84°F)		32°C
(90°F)		34°C
(94°F)		37°C
(99°F)		38°C
(101°F)		37°C
(99°F)		36°C
(97°F)		34°C
(93°F)		32°C
(91°F)		29°C
(85°F)		26°C
(79°F)
Average high19°C
(67°F)		22°C
(72°F)		26°C
(79°F)		30°C
(86°F)		33°C
(92°F)		35°C
(96°F)		33°C
(91°F)		32°C
(91°F)		30°C
(85°F)		27°C
(82°F)		24°C
(75°F)		19°C
(66°F)
Daily mean11°C
(51°F)		14°C
(57°F)		18°C
(64°F)		22°C
(72°F)		26°C
(79°F)		29°C
(84°F)		27°C
(81°F)		27°C
(80°F)		24°C
(75°F)		20°C
(69°F)		16°C
(60°F)		11°C
(52°F)
Average low3°C
(38°F)		6°C
(43°F)		10°C
(50°F)		14°C
(57°F)		17°C
(63°F)		21°C
(71°F)		21°C
(71°F)		21°C
(70°F)		18°C
(65°F)		13°C
(56°F)		8°C
(47°F)		4°C
(39°F)
Mean minimum-4°C
(26°F)		-1°C
(30°F)		3°C
(37°F)		7°C
(46°F)		12°C
(54°F)		17°C
(63°F)		19°C
(66°F)		18°C
(65°F)		14°C
(58°F)		4°C
(39°F)		1°C
(34°F)		-3°C
(26°F)
Minimum-4°C
(24°F)		-5°C
(23°F)		0°C
(33°F)		5°C
(41°F)		8°C
(46°F)		15°C
(59°F)		19°C
(66°F)		15°C
(60°F)		13°C
(55°F)		-1°C
(30°F)		-5°C
(23°F)		-6°C
(21°F)

Compare climate in La Mesa with other places

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

Monthly average precipitation in La Mesa, Mexico

La Mesa usually has the most precipitation in July, August and September, with an average of 8 rainy days and 52 mm (2.1 inches) of precipitation per month. The driest months in La Mesa are March, April and May. On average, 4 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in La Mesa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)6 (0.2)6 (0.2)3 (0.1)3 (0.1)6 (0.2)24 (0.9)50 (2.0)41 (1.6)64 (2.5)24 (1.0)14 (0.5)15 (0.6)
Average precipitation days (≥ 1 mm)110112879421

Monthly sunshine hours in La Mesa, Mexico

The sunniest months in La Mesa are May, June and July, when the sun shines an average of 11 hours 41 minutes a day. Least sunny months in La Mesa: January, February and November receive an average of 8 hours 13 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in La Mesa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours219257297324364354355340297293263264
Mean daily daylight hours10h 31m11h 10m12h 0m12h 52m13h 35m13h 56m13h 44m13h 6m12h 17m11h 25m10h 41m10h 19m

Solar UV radiation in La Mesa, Mexico

La Mesa experiences the highest level of ultraviolet (UV) radiation in April, May and August, when the maximum UV index can reach values of 13 - 13, which corresponds to the Extreme category of sun exposure. January, November and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly La Mesa UV Index data.

Average daily maximum UV levels by month for La Mesa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)69111313131313121086