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Monthly climate in San Rafael, San Luis Potosí, Mexico

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification San Rafael features a hot semi-arid climate (BSh).Temperatures typically range between 15 °C (59 °F) and 25 °C (76 °F) through the year, but rarely can drop to -1 °C (31 °F) or can rise to as high as 40 °C (103 °F).The average annual precipitation amounts to about 891 mm (35.1 inches) and receives 151 rainy days on the 1 mm (0.04 inches) threshold annually.San Rafael enjoys an average of 3383 hours of sunshine throughout the year, and daylight varies from 10 hours 50 minutes to 13 hours 24 minutes per day.

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

The warmest months in San Rafael are May, June and August, with daily mean temperatures ranging from 24 to 25 °C (75 - 76 °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 - 63 °F) throughout the day. On average each year, San Rafael experiences 232 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 Rafael, 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 33°C
(92°F)		 36°C
(97°F)		 38°C
(101°F)		 39°C
(103°F)		 40°C
(103°F)		 39°C
(103°F)		 35°C
(95°F)		 36°C
(96°F)		 35°C
(96°F)		 33°C
(91°F)		 33°C
(91°F)		 31°C
(88°F)
Mean maximum 31°C
(88°F)		 33°C
(92°F)		 36°C
(98°F)		 38°C
(101°F)		 38°C
(101°F)		 36°C
(96°F)		 33°C
(92°F)		 33°C
(92°F)		 33°C
(92°F)		 32°C
(89°F)		 30°C
(87°F)		 30°C
(87°F)
Average high 22°C
(72°F)		 25°C
(78°F)		 28°C
(82°F)		 31°C
(88°F)		 32°C
(90°F)		 30°C
(86°F)		 29°C
(85°F)		 30°C
(86°F)		 28°C
(82°F)		 26°C
(79°F)		 24°C
(75°F)		 23°C
(74°F)
Daily mean 15°C
(59°F)		 17°C
(63°F)		 20°C
(68°F)		 23°C
(73°F)		 25°C
(76°F)		 24°C
(75°F)		 23°C
(74°F)		 24°C
(75°F)		 22°C
(73°F)		 20°C
(69°F)		 17°C
(64°F)		 15°C
(60°F)
Average low 10°C
(50°F)		 11°C
(53°F)		 13°C
(56°F)		 16°C
(61°F)		 19°C
(66°F)		 19°C
(67°F)		 19°C
(66°F)		 19°C
(66°F)		 18°C
(65°F)		 16°C
(61°F)		 12°C
(55°F)		 9°C
(49°F)
Mean minimum 4°C
(39°F)		 5°C
(41°F)		 9°C
(48°F)		 12°C
(53°F)		 15°C
(59°F)		 17°C
(63°F)		 17°C
(63°F)		 17°C
(63°F)		 15°C
(59°F)		 10°C
(50°F)		 6°C
(42°F)		 3°C
(37°F)
Minimum 2°C
(35°F)		 2°C
(36°F)		 4°C
(40°F)		 9°C
(48°F)		 13°C
(55°F)		 15°C
(59°F)		 16°C
(61°F)		 16°C
(61°F)		 12°C
(54°F)		 7°C
(44°F)		 2°C
(35°F)		 -1°C
(31°F)

Compare climate in San Rafael with other places

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

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

San Rafael usually has the most precipitation in June, September and October, with an average of 19 rainy days and 155 mm (6.1 inches) of precipitation per month.The driest months in San Rafael are January, February and December. On average, 19 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Rafael, 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) 20 (0.8) 21 (0.8) 25 (1.0) 24 (0.9) 56 (2.2) 132 (5.2) 122 (4.8) 103 (4.1) 178 (7.0) 154 (6.1) 41 (1.6) 15 (0.6)
Average precipitation days (≥ 1 mm) 5 7 7 6 14 19 22 22 22 16 7 4

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

The sunniest months in San Rafael are May, July and August, when the sun shines an average of 10 hours 25 minutes a day.Least sunny months in San Rafael: January, February and November receive an average of 7 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Rafael, 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 203 245 290 293 321 310 324 322 284 270 248 267
Mean daily daylight hours 10h 58m 11h 26m 12h 1m 12h 38m 13h 9m 13h 24m 13h 16m 12h 49m 12h 13m 11h 37m 11h 5m 10h 50m

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

San Rafael experiences the highest level of ultraviolet (UV) radiation in April, July and September, when the maximum UV index can reach values of 13 - 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 Rafael UV Index data.

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