Climate in Zacatecas

Average daytime and nighttime temperatures

All climatic diagrams on this site result from the collected data from 6 measuring stations in Zacatecas.
Weather stations at an altitude above 2610m have not been included.
All data correspond to the average monthly values of the last 20 years.

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Zacatecas is one of the coldest regions in Mexico with an average daily high temperature of only 25 degrees centigrade. Several months of the year it is warm to hot at temperatures continuously above 25 degrees centigrade, sometimes up to 30 degrees.
Overview: Climate in Mexico
Daylengths and sun positions in Mexico
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Hours of sunshine per daySunshine hours per day in Zacatecas
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 10 hours per day, April is the sunniest month in the state of Zacatecas. In September the sun shines the shortest.
Rainy days per monthRainy days per month in Zacatecas
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 14 rainy days, July offers the most number of rainy days, and in April the least.
Precipitation in mm/dayPrecipitation in Zacatecas
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 0.12 mm, the least rain falls in April. July, on the other hand, has the most rain.
Relative humidity in %Relative humidity in Zacatecas
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 humidity averaging 73%, September is the most uncomfortable. In April, on the other hand, it is easier to endure.
Absolute humidity in g/m³Absolute humidity in Zacatecas
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.
Humidex in °CHumidex in Zacatecas
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 Zacatecas

Most important cities in the state »Zacatecas«

Alone 3 cities with over 100,000 inhabitants are located here. The state has a west-east extension of about 230 km and over 360 km from north to south.

Guadalupe124,62322° 45' 11"N102° 31' 6"W
Zacatecas118,56222° 46' 6"N102° 34' 53"W
Fresnillo105,48823° 10' 53"N102° 52' 17"W
Jerez de García Salinas43,06422° 38' 55"N102° 59' 25"W
Víctor Rosales32,72122° 56' 56"N102° 42' 8"W
Río Grande29,84123° 49' 35"N103° 1' 49"W
Loreto19,77922° 16' 21"N101° 59' 20"W
Sombrerete18,80523° 38' 5"N103° 38' 33"W
Nochistlán15,61321° 21' 56"N102° 50' 48"W
Tlaltenango de Sánchez Román14,24021° 46' 56"N103° 18' 11"W
Juan Aldama14,16224° 17' 31"N103° 23' 34"W
Jalpa13,68621° 38' 4"N102° 58' 48"W
Miguel Auza12,68524° 17' 39"N103° 27' 3"W
Villanueva11,13822° 21' 24"N102° 53' 1"W
Valparaíso10,54522° 46' 14"N103° 34' 13"W
Trancoso10,45922° 44' 6"N102° 21' 59"W
San Pedro Piedra Gorda8,29722° 26' 54"N102° 20' 60"W
Tacoaleche6,82122° 49' 12"N102° 24' 17"W
Juchipila6,70021° 24' 31"N103° 6' 60"W
Tabasco6,62621° 51' 46"N102° 54' 40"W
Concepcion del Oro6,52324° 36' 48"N101° 25' 6"W
Luis Moya6,33522° 25' 57"N102° 14' 55"W
Cañitas de Felipe Pescador5,96523° 36' 13"N102° 43' 37"W
Morelos5,65022° 51' 44"N102° 36' 38"W
Villa García5,48922° 9' 45"N101° 57' 19"W
Nieves5,29623° 59' 46"N103° 1' 12"W
Villa González Ortega5,28722° 30' 44"N101° 54' 58"W

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