Monthly climate guide
San Luis Potosí weather in August
August in San Luis Potosí is typically warm, with average daytime highs around 26°C (78°F) and night-time lows near 13°C (55°F). The month usually brings about 76 mm of rain (some rain) and is a mix of sun and cloud. Daytime highs are about the same as July and about the same as September.
What stands out in August
- August falls in San Luis Potosí's wetter season, when heavy showers are common.
- It's wetter than a typical month in San Luis Potosí — roughly 92% more rain than average.
- Afternoons and nights feel like different seasons, roughly 13°C apart.
- San Luis Potosí is usually about 2°C cooler than Aguascalientes, 140 km away, in August.
Avg high
26°C
78°F
Avg low
13°C
55°F
Rainfall
76 mm
some rain
Humidity
70%
relative
Sky
47%
cloud · a mix of sun and cloud
San Luis Potosí weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 19°C / 67°F | 4°C / 40°F | 10 mm | 58% | 52% |
| February | 23°C / 73°F | 6°C / 43°F | 14 mm | 53% | 44% |
| March | 25°C / 77°F | 8°C / 46°F | 14 mm | 48% | 43% |
| April | 28°C / 83°F | 10°C / 51°F | 6 mm | 39% | 45% |
| May | 29°C / 84°F | 13°C / 55°F | 30 mm | 48% | 45% |
| June | 27°C / 80°F | 13°C / 56°F | 85 mm | 63% | 50% |
| July | 26°C / 78°F | 13°C / 55°F | 92 mm | 69% | 51% |
| August | 26°C / 78°F | 13°C / 55°F | 76 mm | 70% | 47% |
| September | 24°C / 76°F | 12°C / 54°F | 87 mm | 74% | 56% |
| October | 24°C / 74°F | 10°C / 50°F | 36 mm | 70% | 46% |
| November | 22°C / 71°F | 8°C / 46°F | 18 mm | 68% | 50% |
| December | 20°C / 69°F | 6°C / 42°F | 8 mm | 63% | 51% |
What to pack for August
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- An extra layer — evenings are noticeably cooler than afternoons
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is August a good time to visit San Luis Potosí?
Compare the months in the chart above to find your ideal window.
Best time to visit San Luis Potosí →Other Mexico cities in August
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San Luis Potosí weather in August. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/mexico/san-luis-potosi/august
<a href="https://weathercompare.eu/weather/mexico/san-luis-potosi/august">San Luis Potosí weather in August</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/mexico/san-luis-potosi" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="San Luis Potosí weather in August"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/mexico/san-luis-potosi/august">San Luis Potosí weather in August</a> – WeatherCompare</p>
San Luis Potosí in August: quick answers
Is August a good time to visit San Luis Potosí?
August is a reasonable time for San Luis Potosí: highs around 26°C and about 76 mm of rain, though not one of the three best months.
How warm is San Luis Potosí in August?
Average highs are about 26°C (78°F) and average lows about 13°C (55°F), based on 10 years of daily data.
Does it rain a lot in San Luis Potosí in August?
San Luis Potosí typically gets around 76 mm of rain in August — some rain.
Figures are long-term averages for the area around San Luis Potosí (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.