Weather in San Luis Potosí in June

A good month. June is a solid month to be in San Luis Potosí. Highs average 28.7 °C, lows 14.9 °C, and rain falls on 14 days — nothing in the month is working against you.

June ranks 12 of 12 — near the bottom of San Luis Potosí's year. December is the month that works, and the swing between the two is 32 points, which is a different holiday rather than a slightly better one. Worth keeping in perspective: June is the weakest month of San Luis Potosí's year and it is still a perfectly good one. The downside here is small.

Rain on 14 days, 3 of them heavy. Enough to need a plan B, not enough to need a plan around it. Pack for 28.7 °C days and 14.9 °C nights; the spread matters more here than any single number.

What the averages hide

Averages flatten a month, and this one hides a few things: 10 days top 30 °C — hot spells arrive, but they break. Across the twenty years measured, the hottest June day reached 36.1 °C and the coldest night fell to 9.1 °C, and the wettest single day dropped 25 mm — roughly 30% of the month's rain in one day.

June is moderately variable: 25 mm in the driest year against 205 mm in the wettest, around an average of 83 mm. Roughly two Junes in three land near that average, and the third does something else entirely.

Wind is light at 11.8 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 63%.

How June sits in the year

The month is on the way down: 1.9 °C cooler than May, with July dropping another 1.7 °C. The first week and the last are not the same trip. Rain has already shifted: 7 days more than May had.

Daylight in June

June is at or near the longest days of San Luis Potosí's year: 13.5 hours of daylight, holding steady all month. Evenings are the real gain — dinner outdoors still happens in full light.

An inland climate

Despite being inland, the year stays fairly even: 24.5 °C between the year's warmest afternoons and coldest nights. At 1886 m, altitude is doing as much work here as latitude: thinner air means fierce sun by day and heat that leaves the moment it sets.

How busy it gets

Off season. The genuine off season: cheapest by a distance, with the caveat that some tours and restaurants close entirely.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

June in San Luis Potosí versus nearby

If San Luis Potosí is one option among several, the nearby comparison is worth making. Santiago de Querétaro is the weaker option in June — within a degree on temperature, 3 days more rain. Morelia is close enough to be a coin toss — within a degree on temperature, 7 days more rain.

So: June is a compromise. December is 32 points better and is what San Luis Potosí is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.

Every month in San Luis Potosí

See all twelve months in San Luis Potosí, or where else to go in June.