Weatheo

San Luis Potosí Weather by Month

Average temperatures, rainfall and humidity for San Luis Potosí, Mexico, month by month, built from OpenWeather’s historical records. Use it to see what a typical San Luis Potosí month looks like before you travel — then check the live San Luis Potosí forecast for the days ahead.

Warmest month

May

30°C average high

Coolest month

January

5°C average low

Wettest month

June

49 mm of rain

Driest month

February

7 mm of rain

Average temperature and rainfall in San Luis Potosí by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January21°C5°C-6°C / 29°C
11 mm
57%9 km/h
February25°C7°C-4°C / 35°C
7 mm
48%9 km/h
March27°C9°C-3°C / 34°C
28 mm
46%11 km/h
April29°C11°C1°C / 38°C
15 mm
45%11 km/h
May30°C14°C2°C / 36°C
40 mm
52%10 km/h
June27°C14°C8°C / 36°C
49 mm
62%11 km/h
July26°C14°C6°C / 39°C
29 mm
64%11 km/h
August26°C14°C6°C / 33°C
24 mm
63%11 km/h
September25°C14°C5°C / 31°C
42 mm
70%9 km/h
October24°C11°C1°C / 31°C
33 mm
68%9 km/h
November23°C8°C-4°C / 31°C
19 mm
66%8 km/h
December21°C6°C-8°C / 28°C
19 mm
61%8 km/h

Best time to visit San Luis Potosí

The most comfortable time to visit San Luis Potosí is generally February and October to November, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around June, totalling about 314 mm a year.

Travellers who prefer heat should aim for May, when highs average 30°C. June is the month to avoid if rain would spoil your plans — it averages 49 mm, roughly 7× the rainfall of the driest month (February).

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the San Luis Potosí forecast for what is happening now.

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