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Monthly climate in San Antonio, Nuevo León, Mexico

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification San Antonio features a hot semi-arid climate (BSh).Temperatures typically range between 15 °C (59 °F) and 30 °C (87 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 42 °C (109 °F).The average annual precipitation amounts to about 556 mm (21.9 inches) and receives 74 rainy days on the 1 mm (0.04 inches) threshold annually.San Antonio enjoys an average of 3462 hours of sunshine throughout the year, and daylight varies from 10 hours 33 minutes to 13 hours 41 minutes per day.

Monthly average temperatures in San Antonio, Nuevo León, Mexico §

The warmest months in San Antonio are June, July and August, with daily mean temperatures ranging from 29 to 30 °C (84 - 87 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 15 to 17 °C (59 - 64 °F) throughout the day. On average each year, San Antonio experiences 252 days above 25 °C (77.0 °F) and 1 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 Antonio, Nuevo León, Mexico.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 34°C
(93°F)		 37°C
(99°F)		 38°C
(100°F)		 41°C
(107°F)		 42°C
(109°F)		 42°C
(107°F)		 40°C
(104°F)		 40°C
(104°F)		 39°C
(102°F)		 37°C
(100°F)		 34°C
(94°F)		 35°C
(95°F)
Mean maximum 31°C
(88°F)		 34°C
(94°F)		 36°C
(98°F)		 39°C
(102°F)		 39°C
(102°F)		 39°C
(103°F)		 39°C
(103°F)		 39°C
(102°F)		 38°C
(100°F)		 36°C
(96°F)		 32°C
(90°F)		 31°C
(89°F)
Average high 21°C
(71°F)		 24°C
(76°F)		 28°C
(83°F)		 31°C
(88°F)		 33°C
(92°F)		 35°C
(95°F)		 35°C
(96°F)		 36°C
(98°F)		 32°C
(91°F)		 29°C
(85°F)		 25°C
(77°F)		 23°C
(74°F)
Daily mean 15°C
(59°F)		 17°C
(64°F)		 22°C
(71°F)		 24°C
(76°F)		 27°C
(81°F)		 29°C
(84°F)		 29°C
(85°F)		 30°C
(87°F)		 27°C
(81°F)		 24°C
(75°F)		 19°C
(67°F)		 17°C
(62°F)
Average low 10°C
(50°F)		 12°C
(54°F)		 16°C
(61°F)		 19°C
(66°F)		 22°C
(72°F)		 24°C
(75°F)		 24°C
(76°F)		 25°C
(77°F)		 23°C
(73°F)		 19°C
(66°F)		 14°C
(58°F)		 11°C
(53°F)
Mean minimum 2°C
(37°F)		 4°C
(40°F)		 9°C
(48°F)		 11°C
(53°F)		 17°C
(63°F)		 21°C
(71°F)		 22°C
(72°F)		 23°C
(73°F)		 19°C
(66°F)		 10°C
(49°F)		 6°C
(43°F)		 4°C
(39°F)
Minimum -1°C
(30°F)		 -3°C
(27°F)		 4°C
(40°F)		 7°C
(46°F)		 15°C
(59°F)		 20°C
(68°F)		 21°C
(70°F)		 22°C
(72°F)		 17°C
(63°F)		 7°C
(44°F)		 2°C
(35°F)		 2°C
(36°F)

Compare climate in San Antonio with other places

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

Monthly average precipitation in San Antonio, Nuevo León, Mexico §

San Antonio usually has the most precipitation in June, July and September, with an average of 8 rainy days and 93 mm (3.6 inches) of precipitation per month.The driest months in San Antonio are February, August and December. On average, 16 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Antonio, Nuevo León, Mexico.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) 24 (1.0) 13 (0.5) 24 (0.9) 40 (1.6) 68 (2.7) 86 (3.4) 82 (3.2) 15 (0.6) 110 (4.3) 49 (1.9) 24 (0.9) 21 (0.8)
Average precipitation days (≥ 1 mm) 4 3 6 7 10 8 6 3 11 8 5 3

Monthly sunshine hours in San Antonio, Nuevo León, Mexico §

The sunniest months in San Antonio are June, July and August, when the sun shines an average of 11 hours 7 minutes a day.Least sunny months in San Antonio: January, February and November receive an average of 7 hours 47 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Antonio, Nuevo León, Mexico.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 200 245 285 290 328 339 338 345 282 288 254 263
Mean daily daylight hours 10h 43m 11h 17m 12h 1m 12h 46m 13h 23m 13h 41m 13h 32m 12h 58m 12h 15m 11h 30m 10h 52m 10h 33m

Solar UV radiation in San Antonio, Nuevo León, Mexico §

San Antonio experiences the highest level of ultraviolet (UV) radiation in April, May and August, when the maximum UV index can reach values of 12 - 12, which corresponds to the Extreme category of sun exposure.January, November and December are in the High exposure category. In these months, the maximum values of the UV index do not exceed 7. For more detailed information, check out our hourly San Antonio UV Index data.

Average daily maximum UV levels by month for San Antonio, Nuevo León, Mexico.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) 7 9 10 12 12 12 12 12 11 10 7 6