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Monthly climate in San Isidro, San Luis Potosí, Mexico

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification San Isidro features a cold semi-arid climate (BSk).Temperatures typically range between 12 °C (54 °F) and 21 °C (71 °F) through the year, but rarely can drop to -6 °C (21 °F) or can rise to as high as 34 °C (94 °F).The average annual precipitation amounts to about 414 mm (16.3 inches) and receives 63 rainy days on the 1 mm (0.04 inches) threshold annually.San Isidro enjoys an average of 3638 hours of sunshine throughout the year, and daylight varies from 10 hours 40 minutes to 13 hours 34 minutes per day.

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

The warmest months in San Isidro are May, June and August, with daily mean temperatures ranging from 21 to 21 °C (70 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 12 to 15 °C (54 - 59 °F) throughout the day. On average each year, San Isidro experiences 186 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 Isidro, 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 26°C
(79°F)		 32°C
(91°F)		 33°C
(91°F)		 33°C
(91°F)		 34°C
(94°F)		 33°C
(92°F)		 33°C
(91°F)		 30°C
(87°F)		 31°C
(87°F)		 29°C
(85°F)		 28°C
(83°F)		 27°C
(81°F)
Mean maximum 25°C
(78°F)		 29°C
(84°F)		 30°C
(87°F)		 32°C
(89°F)		 33°C
(91°F)		 32°C
(90°F)		 31°C
(87°F)		 30°C
(86°F)		 30°C
(86°F)		 29°C
(84°F)		 27°C
(80°F)		 25°C
(78°F)
Average high 19°C
(67°F)		 23°C
(73°F)		 26°C
(78°F)		 28°C
(82°F)		 29°C
(84°F)		 28°C
(83°F)		 27°C
(81°F)		 27°C
(82°F)		 25°C
(78°F)		 25°C
(77°F)		 22°C
(73°F)		 20°C
(69°F)
Daily mean 12°C
(54°F)		 15°C
(59°F)		 17°C
(64°F)		 20°C
(67°F)		 21°C
(71°F)		 21°C
(71°F)		 21°C
(69°F)		 21°C
(70°F)		 20°C
(67°F)		 18°C
(65°F)		 15°C
(59°F)		 12°C
(55°F)
Average low 6°C
(43°F)		 8°C
(47°F)		 10°C
(51°F)		 12°C
(54°F)		 15°C
(59°F)		 15°C
(60°F)		 15°C
(59°F)		 15°C
(60°F)		 15°C
(59°F)		 13°C
(55°F)		 9°C
(49°F)		 6°C
(44°F)
Mean minimum 0°C
(33°F)		 2°C
(36°F)		 5°C
(42°F)		 8°C
(46°F)		 11°C
(53°F)		 14°C
(57°F)		 13°C
(55°F)		 13°C
(56°F)		 12°C
(53°F)		 8°C
(47°F)		 4°C
(39°F)		 -2°C
(29°F)
Minimum -1°C
(31°F)		 0°C
(32°F)		 0°C
(33°F)		 5°C
(41°F)		 9°C
(48°F)		 12°C
(54°F)		 12°C
(54°F)		 12°C
(53°F)		 11°C
(52°F)		 5°C
(41°F)		 -2°C
(29°F)		 -6°C
(21°F)

Compare climate in San Isidro with other places

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

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

San Isidro usually has the most precipitation in June, July and September, with an average of 9 rainy days and 69 mm (2.7 inches) of precipitation per month.The driest months in San Isidro are January, February and November. On average, 11 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Isidro, 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) 11 (0.4) 9 (0.4) 15 (0.6) 24 (0.9) 46 (1.8) 48 (1.9) 84 (3.3) 33 (1.3) 75 (3.0) 44 (1.7) 12 (0.5) 14 (0.5)
Average precipitation days (≥ 1 mm) 2 2 3 4 7 8 10 6 11 7 2 1

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

The sunniest months in San Isidro are May, July and August, when the sun shines an average of 11 hours 5 minutes a day.Least sunny months in San Isidro: January, February and November receive an average of 8 hours 26 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Isidro, 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 220 265 307 323 347 341 343 341 298 299 273 277
Mean daily daylight hours 10h 50m 11h 21m 12h 1m 12h 43m 13h 17m 13h 34m 13h 25m 12h 54m 12h 14m 11h 33m 10h 58m 10h 40m

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

San Isidro 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 Isidro UV Index data.

Average daily maximum UV levels by month for San Isidro, 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 11 13 14 14 14 14 14 13 12 9 7