Climate averages 1991–2020

San Luis Potosí weather
in April.

A warm, fairly dry month: the 2nd warmest and the 6th driest of the year. Meets the pleasant-weather rule

Long-term climate patterns, not a forecast for a particular trip.

Average high 27.9°C Daytime mean, April
Average low 12.5°C Night-time mean, April
Rainfall 22 mm 5 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in San Luis Potosí · average highYear overview

April is a warm month in San Luis Potosí: daytime highs average 27.9°C and nights cool to about 12.5°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 22 mm of rain on roughly 5 days, which makes April a fairly dry month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 39 min on an average April day.

The nearest other city in this atlas is Soledad de Graciano Sánchez (5 km away). In April its highs average 27.9°C, about as warm as San Luis Potosí, with 22 mm of rain.

Among the 153 cities listed in Mexico, San Luis Potosí ranks joint 95th of 153 for the warmest April highs and joint 81st of 153 for the driest April (rainfall, lowest first). The mean April high of those 153 cities is 28.7°C; San Luis Potosí is 0.8°C cooler than that mean.

From April to May, average highs rise by 0.4°C to 28.3°C, and monthly rainfall rises from 22 mm to 50 mm.

The annual picture

April in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 05101520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1000

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

San Luis Potosí climate table

1991–2020
Monthly climate averages for San Luis Potosí, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 20.3°C6.4°C6.4°C153.010.911 h
February 22.9°C7.9°C7.9°C142.511.411 h
March 25.5°C9.9°C9.9°C153.412.012 h
April, selected 27.9°C12.5°C12.5°C224.512.613 h
May 28.3°C14.7°C14.7°C509.213.213 h
June 26.3°C15.5°C15.5°C7311.313.513 h
July 24.8°C15.0°C15.0°C8310.513.313 h
August 25.2°C15.1°C15.1°C629.812.913 h
September 23.2°C14.5°C14.5°C8212.412.312 h
October 22.7°C12.2°C12.2°C427.111.712 h
November 21.5°C9.2°C9.2°C173.211.111 h
December 20.9°C7.3°C7.3°C101.810.811 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

April in nearby cities

Distance from San Luis Potosí

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for San Luis Potosí) is explained once on the San Luis Potosí year overview and on the Sources, method and limits page.

Soledad de Graciano Sánchez lies in the same rainfall cell, so its rainfall figures are identical to these; temperatures differ because they come from smaller 0.1° cells.