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Monthly climate in San Ignacio, San Luis Potosí, Mexico

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification San Ignacio features a hot semi-arid climate (BSh). Temperatures typically range between 14 °C (58 °F) and 24 °C (75 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 364 mm (14.3 inches) and receives 69 rainy days on the 1 mm (0.04 inches) threshold annually. San Ignacio enjoys an average of 3567 hours of sunshine throughout the year, and daylight varies from 10 hours 42 minutes to 13 hours 32 minutes per day.

Monthly average temperatures in San Ignacio, San Luis Potosí, Mexico §

The warmest months in San Ignacio are May, June and August, with daily mean temperatures ranging from 23 to 24 °C (74 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 14 to 17 °C (58 - 62 °F) throughout the day. On average each year, San Ignacio experiences 239 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 Ignacio, San Luis Potosí, 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 29°C
(85°F)		 33°C
(93°F)		 35°C
(96°F)		 36°C
(96°F)		 38°C
(101°F)		 36°C
(97°F)		 35°C
(96°F)		 33°C
(92°F)		 34°C
(93°F)		 34°C
(93°F)		 31°C
(89°F)		 30°C
(87°F)
Mean maximum 28°C
(83°F)		 31°C
(88°F)		 33°C
(92°F)		 35°C
(95°F)		 36°C
(96°F)		 35°C
(94°F)		 34°C
(94°F)		 33°C
(91°F)		 32°C
(90°F)		 32°C
(90°F)		 30°C
(86°F)		 28°C
(83°F)
Average high 22°C
(71°F)		 25°C
(77°F)		 28°C
(82°F)		 30°C
(86°F)		 31°C
(88°F)		 30°C
(87°F)		 30°C
(86°F)		 30°C
(87°F)		 28°C
(83°F)		 27°C
(81°F)		 24°C
(76°F)		 22°C
(72°F)
Daily mean 14°C
(58°F)		 17°C
(62°F)		 19°C
(67°F)		 22°C
(71°F)		 24°C
(75°F)		 23°C
(74°F)		 23°C
(74°F)		 23°C
(74°F)		 22°C
(72°F)		 20°C
(69°F)		 17°C
(63°F)		 15°C
(59°F)
Average low 8°C
(47°F)		 10°C
(51°F)		 12°C
(55°F)		 15°C
(59°F)		 18°C
(64°F)		 18°C
(65°F)		 18°C
(64°F)		 18°C
(65°F)		 17°C
(63°F)		 15°C
(60°F)		 11°C
(53°F)		 8°C
(47°F)
Mean minimum 2°C
(37°F)		 4°C
(39°F)		 7°C
(45°F)		 10°C
(50°F)		 14°C
(57°F)		 16°C
(61°F)		 16°C
(62°F)		 16°C
(61°F)		 14°C
(58°F)		 10°C
(50°F)		 5°C
(41°F)		 1°C
(33°F)
Minimum 2°C
(35°F)		 1°C
(34°F)		 2°C
(35°F)		 8°C
(46°F)		 11°C
(51°F)		 14°C
(58°F)		 16°C
(60°F)		 15°C
(59°F)		 13°C
(56°F)		 7°C
(44°F)		 -1°C
(31°F)		 -3°C
(27°F)

Compare climate in San Ignacio with other places

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

Monthly average precipitation in San Ignacio, San Luis Potosí, Mexico §

San Ignacio usually has the most precipitation in June, July and September, with an average of 10 rainy days and 58 mm (2.3 inches) of precipitation per month. The driest months in San Ignacio are January, February and December. On average, 10 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Ignacio, San Luis Potosí, 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) 8 (0.3) 10 (0.4) 14 (0.5) 14 (0.5) 42 (1.7) 53 (2.1) 48 (1.9) 36 (1.4) 72 (2.8) 44 (1.7) 12 (0.5) 11 (0.4)
Average precipitation days (≥ 1 mm) 2 2 2 3 8 12 8 8 11 9 2 2

Monthly sunshine hours in San Ignacio, San Luis Potosí, Mexico §

The sunniest months in San Ignacio are May, July and August, when the sun shines an average of 10 hours 55 minutes a day. Least sunny months in San Ignacio: January, February and November receive an average of 8 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Ignacio, San Luis Potosí, 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 211 259 300 316 341 334 338 336 295 293 267 273
Mean daily daylight hours 10h 52m 11h 22m 12h 1m 12h 42m 13h 15m 13h 32m 13h 23m 12h 53m 12h 14m 11h 34m 10h 59m 10h 42m

Solar UV radiation in San Ignacio, San Luis Potosí, Mexico §

San Ignacio experiences the highest level of ultraviolet (UV) radiation in April, May and August, 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 Ignacio UV Index data.

Average daily maximum UV levels by month for San Ignacio, San Luis Potosí, 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) 8 10 13 14 14 13 14 14 13 12 9 7

Detailed Monthly Weather Insights for San Ignacio, San Luis Potosí, Mexico

Discover in-depth weather details for every month in San Ignacio. 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 San Ignacio'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.