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Climate in San Luis Potosí
(Mexico)

Average daytime and nighttime temperatures


All climatic diagrams on this site result from the collected data from 8 measuring stations in San Luis Potosí.
Weather stations at an altitude above 1920m have not been included.
All data correspond to the average monthly values of the last 20 years.


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Hours of sunshine per daySunshine hours per day in San Luis Potosí
The number of hours of sunshine refers to the time when the sun is actually visible. That is, without any obstruction of visibility by clouds, fog or mountains. With 9 hours per day, August is the sunniest month in the state of San Luis Potosí. In January the sun shines the shortest.
Rainy days per monthRainy days per month in San Luis Potosí
A rainy day is a day on which at least an amount of 0.1 mm precipitation (=0.1 liter) per square meter falls. This can be rain, snow, hail or even dew. So it does not have to rain the whole day. With 11 rainy days, September offers the most number of rainy days, and in December the least.
Precipitation in mm/dayPrecipitation in San Luis Potosí
The amount of precipitation is measured in millimeters per square meter. Thus, at 2 mm/day, 2 liters of water fall on one square meter within 24 hours. With only 0.66 mm, the least rain falls in December. September, on the other hand, has the most rain.
Relative humidity in %Relative humidity in San Luis Potosí
Warm air can absorb more moisture than cold air. The relative humidity indicates how much moisture of the physically possible is actually contained in the air. At high humidity, the person feels uncomfortable and perceives this as oppressive. In general, a relative humidity of 40-60% gives as pleasant. With only 37% humidity on average, it is quite dry in April. The highest value of 65% is experienced here in September.
Absolute humidity in g/m³Absolute humidity in San Luis Potosí
In warm months, there is also a higher absolute humidity almost everywhere. At a temperature of 25°C, air can absorb up to 23 grams of water per cubic meter. At 20°C, it is only 17.3 grams. A relative humidity of 40% at 25°C thus corresponds to an absolute humidity of 9.2 grams of water. From a proportion of approx. 13.5 grams, humans perceive the air as muggy. This limit is reached in 5 months in San Luis Potosí, although these are average values, and a month is rarely completely or not at all considered humid.
Humidex in °CHumidex in San Luis Potosí
The "Humidex" (humidity index) is an index of well-being in warmer areas, calculated from the air temperature, relative humidity and dew point. The index corresponds approximately to the temperature felt. At high temperatures, the body transports heat away by sweating. At high humidity the ambient air can only absorb a small amount of sweat and thus one feels uncomfortable. An index of 20-29 is considered comfortable. Up to 39, people perceive the air as slightly uncomfortable, and above 40, as very uncomfortable. Values above 45 are dangerous in the long run and often lead to heat stroke.
Map of San Luis Potosí

Most important cities in the state »San Luis Potosí«

The state has a west-east extension of about 370 km and over 270 km from north to south.

CityPopulationGeo-Position
San Luis Potosí677,70422° 8' 59"N100° 58' 45"W
Soledad de Graciano Sánchez255,01522° 10' 59"N100° 56' 27"W
Soledad Díez Gutiérrez194,00622° 11' 16"N100° 56' 31"W
Ciudad Valles109,50421° 58' 60"N99° 1' 0"W
Matehuala67,71723° 38' 54"N100° 38' 36"W
Río Verde48,85421° 55' 49"N99° 59' 30"W
Ciudad Fernández29,67121° 56' 25"N100° 0' 42"W
Tamazunchale21,53221° 15' 36"N98° 47' 22"W
Cardenas15,33122° 0' 5"N99° 38' 33"W
Tamuin14,74822° 0' 20"N98° 46' 47"W
Salinas de Hidalgo13,97322° 37' 41"N101° 42' 51"W
Cerritos13,45322° 25' 42"N100° 17' 5"W
Santa María del Río12,09721° 47' 46"N100° 44' 17"W
Charcas11,36523° 7' 41"N101° 6' 51"W
Tanquián de Escobedo9,20121° 36' 21"N98° 39' 46"W
Villa de Reyes8,78721° 48' 11"N100° 56' 3"W
Ciudad del Maiz8,45622° 24' 7"N99° 36' 17"W
Zaragoza8,29622° 2' 8"N100° 43' 52"W
San Ciro de Acosta6,77121° 39' 7"N99° 49' 9"W
Ponciano Arriaga6,66522° 15' 44"N98° 35' 23"W
Villa Terrazas6,52221° 26' 21"N98° 52' 30"W
San Vicente Tancuayalab6,44421° 43' 6"N98° 35' 16"W
Los Zacatones5,91322° 57' 41"N102° 3' 20"W
Xilitla5,90621° 23' 13"N98° 59' 24"W
Dulce Grande5,42623° 0' 6"N102° 10' 27"W
Tierranueva5,36121° 40' 5"N100° 34' 22"W
Rayón5,29821° 50' 36"N99° 38' 35"W
La Pila5,14922° 2' 4"N100° 52' 0"W


Data basis: German Weather Service, individual values averaged and supplemented by own elements. Data on cities and inhabitants: geonames.org, United Nations Statistics Division and own research.
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