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.
Jump to: month-by-month table · nearby alternatives · embed this data
- 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

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
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 96 | 20° / 68°F | 4° / 39°F | 12 mm | 7 |
| February | 95 | 23° / 73°F | 6° / 43°F | 17 mm | 9 |
| March | 95 | 26° / 79°F | 8° / 46°F | 16 mm | 11 |
| April | 95 | 29° / 84°F | 11° / 52°F | 13 mm | 12 |
| May | 90 | 30° / 86°F | 13° / 55°F | 43 mm | 12 |
| June | 84 | 27° / 81°F | 14° / 57°F | 77 mm | 12 |
| July | 81 | 26° / 79°F | 13° / 55°F | 93 mm | 11 |
| August | 85 | 26° / 79°F | 13° / 55°F | 70 mm | 11 |
| September | 80 | 24° / 75°F | 13° / 55°F | 96 mm | 10 |
| October | 91 | 23° / 73°F | 10° / 50°F | 40 mm | 9 |
| November | 95 | 21° / 70°F | 7° / 45°F | 17 mm | 7 |
| December | 97 | 20° / 68°F | 5° / 41°F | 7 mm | 6 |
See San Luis Potosí on the interactive sunshine globe →
Nearby places for sunshine
- Guanajuato Mexico · 152 km · best in Apr · 3,389 h sun/yr
- Aguascalientes Mexico · 156 km · best in Apr · 3,499 h sun/yr
- Zacatecas Mexico · 193 km · best in Apr · 3,512 h sun/yr
- Querétaro Mexico · 198 km · best in Dec · 3,313 h sun/yr
- Morelia Mexico · 268 km · best in Jan · 3,088 h sun/yr
- Guadalajara Mexico · 313 km · best in Apr · 3,329 h sun/yr
Nearest destinations
- Ciudad Victoria Mexico · 258 km · 2,687 h sun/yr · best in Dec
Head-to-head
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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