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Monthly climate in Reforma, San Luis Potosí, Mexico

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Reforma features a cold semi-arid climate (BSk). Temperatures typically range between 12 °C (54 °F) and 22 °C (71 °F) through the year, but rarely can drop to -7 °C (20 °F) or can rise to as high as 34 °C (94 °F). The average annual precipitation amounts to about 437 mm (17.2 inches) and receives 64 rainy days on the 1 mm (0.04 inches) threshold annually. Reforma enjoys an average of 3609 hours of sunshine throughout the year, and daylight varies from 10 hours 45 minutes to 13 hours 29 minutes per day.

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

The warmest months in Reforma are May, June and August, with daily mean temperatures ranging from 20 to 22 °C (68 - 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, Reforma experiences 164 days above 25 °C (77.0 °F) and 2 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Reforma, 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)		 31°C
(88°F)		 33°C
(91°F)		 33°C
(91°F)		 34°C
(94°F)		 34°C
(93°F)		 31°C
(87°F)		 30°C
(87°F)		 29°C
(84°F)		 28°C
(83°F)		 28°C
(82°F)		 26°C
(79°F)
Mean maximum 25°C
(77°F)		 28°C
(82°F)		 30°C
(86°F)		 31°C
(88°F)		 33°C
(91°F)		 31°C
(89°F)		 30°C
(86°F)		 30°C
(86°F)		 28°C
(83°F)		 27°C
(82°F)		 26°C
(80°F)		 25°C
(77°F)
Average high 20°C
(68°F)		 23°C
(73°F)		 26°C
(79°F)		 28°C
(82°F)		 29°C
(85°F)		 27°C
(81°F)		 26°C
(79°F)		 26°C
(80°F)		 24°C
(76°F)		 24°C
(75°F)		 22°C
(73°F)		 21°C
(69°F)
Daily mean 12°C
(54°F)		 15°C
(59°F)		 18°C
(64°F)		 20°C
(68°F)		 22°C
(71°F)		 21°C
(69°F)		 20°C
(68°F)		 20°C
(68°F)		 18°C
(66°F)		 17°C
(64°F)		 15°C
(59°F)		 13°C
(55°F)
Average low 6°C
(43°F)		 8°C
(46°F)		 10°C
(50°F)		 12°C
(54°F)		 14°C
(58°F)		 15°C
(59°F)		 14°C
(58°F)		 14°C
(58°F)		 14°C
(57°F)		 12°C
(54°F)		 9°C
(48°F)		 6°C
(43°F)
Mean minimum 0°C
(33°F)		 2°C
(35°F)		 5°C
(41°F)		 7°C
(45°F)		 10°C
(51°F)		 13°C
(55°F)		 12°C
(55°F)		 13°C
(55°F)		 11°C
(52°F)		 8°C
(46°F)		 3°C
(38°F)		 -2°C
(29°F)
Minimum -1°C
(30°F)		 0°C
(33°F)		 1°C
(34°F)		 6°C
(42°F)		 8°C
(46°F)		 10°C
(51°F)		 12°C
(54°F)		 11°C
(53°F)		 9°C
(48°F)		 4°C
(40°F)		 -2°C
(30°F)		 -7°C
(20°F)

Compare climate in Reforma with other places

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

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

Reforma usually has the most precipitation in June, July and September, with an average of 11 rainy days and 84 mm (3.3 inches) of precipitation per month. The driest months in Reforma are February, March and April. On average, 8 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Reforma, 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) 12 (0.5) 8 (0.3) 10 (0.4) 6 (0.3) 32 (1.2) 79 (3.1) 77 (3.0) 55 (2.2) 96 (3.8) 39 (1.5) 12 (0.5) 11 (0.4)
Average precipitation days (≥ 1 mm) 2 2 2 2 6 10 11 7 13 7 1 1

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

The sunniest months in Reforma are May, July and August, when the sun shines an average of 10 hours 53 minutes a day. Least sunny months in Reforma: January, February and November receive an average of 8 hours 29 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Reforma, 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 224 265 311 324 346 332 333 334 296 286 274 279
Mean daily daylight hours 10h 54m 11h 23m 12h 1m 12h 40m 13h 13m 13h 29m 13h 20m 12h 51m 12h 14m 11h 35m 11h 2m 10h 45m

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

Reforma experiences the highest level of ultraviolet (UV) radiation in April, May and September, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure. January, November and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 10. For more detailed information, check out our hourly Reforma UV Index data.

Average daily maximum UV levels by month for Reforma, 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 14 15 15 14 14 14 14 12 10 8

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

Discover in-depth weather details for every month in Reforma. 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 Reforma'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.