Sunshine Map

San Luis Potosí weather by month & the best time to visit

🇲🇽 Mexico · highland city · semi-arid climate

The best time to visit San Luis Potosí is December — its sunniest month (Sunshine Score 97/100), with January and February close behind. San Luis Potosí averages about 3,165 hours of sunshine a year. Daytime highs around 20°C / 68°F and roughly 7 mm of rain in December.

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Sun hours / year
3,165
Sunniest month
December
Peak score
97/100
Rain / year
501 mm
Midday UV at peak
12 (extreme)
Population
992k
Elevation
1,838 m
San Luis Potosí, Mexico
San Luis Potosí — photo via Wikimedia Commons

When is the best time to visit San Luis Potosí?

For sunshine, the best time to visit San Luis Potosí is December, then January and February. The dullest month is September (80/100, 96 mm of rain). The full month-by-month picture is in the table below.

How sunny is San Luis Potosí?

San Luis Potosí is one of the sunniest places on Earth: about 3,165 hours of sunshine a year. December (97/100) is noticeably better than September (80). It ranks #28 of 62 destinations in Mexico for annual sunshine, above the national median of 3,138 hours. Rain has a clear season: the wettest stretch, around August, carries about 52% of the annual 501 mm.

Sunshine Score by month

January: 96February: 95March: 95April: 95May: 90June: 84July: 81August: 85September: 80October: 91November: 95December: 9797JFMAMJJASOND
MonthScoreDay highNight lowRainUV
January96 20° / 68°F4° / 39°F 12 mm7
February95 23° / 73°F6° / 43°F 17 mm9
March95 26° / 79°F8° / 46°F 16 mm11
April95 29° / 84°F11° / 52°F 13 mm12
May90 30° / 86°F13° / 55°F 43 mm12
June84 27° / 81°F14° / 57°F 77 mm12
July81 26° / 79°F13° / 55°F 93 mm11
August85 26° / 79°F13° / 55°F 70 mm11
September80 24° / 75°F13° / 55°F 96 mm10
October91 23° / 73°F10° / 50°F 40 mm9
November95 21° / 70°F7° / 45°F 17 mm7
December97 20° / 68°F5° / 41°F 7 mm6

See San Luis Potosí on the interactive sunshine globe →

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How San Luis Potosí compares month by month: San Luis Potosí vs Aguascalientes · San Luis Potosí vs Zacatecas · San Luis Potosí vs Ciudad Madero · San Luis Potosí vs Guanajuato · all comparisons

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