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Monthly climate in San Joaquin, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Joaquin features a cold semi-arid climate (BSk). Temperatures typically range between 14 °C (58 °F) and 22 °C (73 °F) through the year, but rarely can drop to 0 °C (32 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 767 mm (30.2 inches) and receives 135 rainy days on the 1 mm (0.04 inches) threshold annually. San Joaquin enjoys an average of 3420 hours of sunshine throughout the year, and daylight varies from 10 hours 52 minutes to 13 hours 22 minutes per day.

Monthly average temperatures in San Joaquin, Mexico

The warmest months in San Joaquin are April, May and June, with daily mean temperatures ranging from 21 to 22 °C (70 - 73 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 14 to 16 °C (58 - 61 °F) throughout the day. On average each year, San Joaquin experiences 206 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 San Joaquin. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum31°C
(87°F)		34°C
(94°F)		35°C
(95°F)		36°C
(97°F)		36°C
(96°F)		35°C
(96°F)		31°C
(88°F)		31°C
(88°F)		31°C
(88°F)		30°C
(86°F)		30°C
(87°F)		29°C
(85°F)
Mean maximum29°C
(84°F)		31°C
(88°F)		34°C
(93°F)		35°C
(95°F)		35°C
(95°F)		33°C
(91°F)		30°C
(86°F)		30°C
(87°F)		30°C
(86°F)		29°C
(84°F)		28°C
(83°F)		28°C
(83°F)
Average high22°C
(72°F)		25°C
(77°F)		27°C
(81°F)		29°C
(85°F)		30°C
(86°F)		27°C
(81°F)		27°C
(80°F)		27°C
(81°F)		25°C
(78°F)		24°C
(76°F)		23°C
(74°F)		23°C
(73°F)
Daily mean14°C
(58°F)		17°C
(62°F)		18°C
(66°F)		21°C
(70°F)		22°C
(73°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		20°C
(68°F)		18°C
(66°F)		16°C
(61°F)		14°C
(58°F)
Average low8°C
(47°F)		10°C
(50°F)		12°C
(54°F)		14°C
(58°F)		16°C
(62°F)		17°C
(62°F)		16°C
(62°F)		16°C
(62°F)		16°C
(61°F)		14°C
(58°F)		11°C
(52°F)		8°C
(47°F)
Mean minimum3°C
(37°F)		4°C
(39°F)		7°C
(46°F)		10°C
(50°F)		13°C
(55°F)		14°C
(58°F)		15°C
(58°F)		14°C
(58°F)		13°C
(55°F)		10°C
(50°F)		5°C
(41°F)		2°C
(36°F)
Minimum0°C
(32°F)		1°C
(35°F)		3°C
(37°F)		8°C
(47°F)		11°C
(52°F)		12°C
(54°F)		14°C
(57°F)		13°C
(56°F)		10°C
(50°F)		7°C
(44°F)		-0°C
(32°F)		-0°C
(32°F)

Compare climate in San Joaquin with other places

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

Monthly average precipitation in San Joaquin, Mexico

San Joaquin usually has the most precipitation in June, September and October, with an average of 18 rainy days and 129 mm (5.1 inches) of precipitation per month. The driest months in San Joaquin are January, February and December. On average, 12 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Joaquin. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)14 (0.6)13 (0.5)20 (0.8)32 (1.3)61 (2.4)130 (5.1)100 (3.9)99 (3.9)150 (5.9)106 (4.2)31 (1.2)10 (0.4)
Average precipitation days (≥ 1 mm)344713192018211673

Monthly sunshine hours in San Joaquin, Mexico

The sunniest months in San Joaquin are May, July and August, when the sun shines an average of 10 hours 21 minutes a day. Least sunny months in San Joaquin: January, February and November receive an average of 7 hours 59 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Joaquin. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours213253300307326306319316280269253272
Mean daily daylight hours11h 0m11h 27m12h 2m12h 37m13h 7m13h 22m13h 14m12h 47m12h 13m11h 37m11h 7m10h 52m

Solar UV radiation in San Joaquin, Mexico

San Joaquin experiences the highest level of ultraviolet (UV) radiation in April, May and July, when the maximum UV index can reach values of 14 - 14, 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 9. For more detailed information, check out our hourly San Joaquin UV Index data.

Average daily maximum UV levels by month for San Joaquin. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)811131414141413131297