San Luis Potosí weather in January
January is a fair month to visit San Luis Potosí: highs of 19°C (65°F) and about 11 mm (0.4 in) of rain on average. Nights average 3°C (38°F) and cloud cover 51% (NASA POWER, 2001–2025 averages). It is the 4th driest month of the year and the coolest. Compared with December, it is about as warm and wetter; February brings highs of 21°C (70°F) and 17 mm (0.7 in) of rain.
Is January a good time to visit San Luis Potosí?
fair month Weather score 83/100.
January is a fair month in San Luis Potosí. The weather is usually best in Feb–May, Oct–Dec.
Does it rain a lot in San Luis Potosí in January?
No, it is usually dry: about 11 mm (0.4 in) falls in an average January. It is the 4th driest month of the year.
How warm is San Luis Potosí in January?
Days average 19°C (65°F) and nights 3°C (38°F).
San Luis Potosí weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 19°C (65°F) | 3°C (38°F) | 11 mm | 51% | fair |
| February | 21°C (70°F) | 5°C (41°F) | 17 mm | 44% | best |
| March | 24°C (76°F) | 7°C (44°F) | 11 mm | 43% | best |
| April | 28°C (82°F) | 10°C (50°F) | 6 mm | 43% | best |
| May | 28°C (83°F) | 12°C (54°F) | 28 mm | 44% | best |
| June | 26°C (79°F) | 13°C (55°F) | 83 mm | 51% | least pleasant |
| July | 25°C (76°F) | 12°C (53°F) | 109 mm | 53% | least pleasant |
| August | 25°C (76°F) | 12°C (53°F) | 89 mm | 49% | least pleasant |
| September | 23°C (73°F) | 11°C (52°F) | 94 mm | 58% | least pleasant |
| October | 22°C (72°F) | 9°C (48°F) | 33 mm | 47% | best |
| November | 20°C (68°F) | 6°C (42°F) | 13 mm | 45% | best |
| December | 19°C (66°F) | 4°C (39°F) | 7 mm | 48% | best |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months