Climate in Central-North Mexico

Average daytime and nighttime temperatures

All climatic diagrams on this site result from the collected data from 17 measuring weather stations in Central-North.
Weather stations at an altitude above 2210m have not been included.
All data correspond to the average monthly values of the last 20 years.

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Central-North is one of the coldest regions in Mexico with an average daily high temperature of only 29 degrees centigrade. It is yearlong warm or hot.
Overview: Climate in Mexico
Daylengths and sun positions in Mexico
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Hours of sunshine per daySunshine hours per day in Central-North
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, April is the sunniest month in the region of Central-North. In December the sun shines the shortest.
Rainy days per monthRainy days per month in Central-North
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 12 rainy days, July offers the most number of rainy days, and in December the least.
Precipitation in mm/dayPrecipitation in Central-North
The amount of precipitation is measured in millimeters per square meter. Thus, at two mm/day, two liters of water fall on one square meter within 24 hours. With only 0.4 mm, the least rain falls in December. September, on the other hand, has the most rain.
Relative humidity in %Relative humidity in Central-North
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 38% humidity on average, it is quite dry in April. The highest value of 69% is experienced here in September.
Absolute humidity in g/m³Absolute humidity in Central-North
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 4 months in Central-North, although these are average values, and a month is rarely completely or not at all considered humid.
Humidex in °CHumidex in Central-North
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 Central-North

Most important cities in the region »Central-North«

Alone 4 major cities with over 600,000 inhabitants are located here. The region has a west-east extension of about 520 km and over 520 km from north to south.

It consists of the five federal states Aguascalientes, Guanajuato, Querétaro, San Luis Potosí and Zacatecas.

CityPopulationGeo position
León1,721,19921° 7' 50"N101° 40' 16"W
Aguascalientes722,25021° 52' 56"N102° 16' 57"W
San Luis Potosí677,70422° 8' 59"N100° 58' 45"W
Santiago de Querétaro626,49520° 35' 17"N100° 23' 17"W
Irapuato342,56120° 40' 36"N101° 21' 23"W
Celaya310,41320° 31' 25"N100° 48' 57"W
Soledad de Graciano Sánchez255,01522° 10' 59"N100° 56' 27"W
Soledad Díez Gutiérrez194,00622° 11' 16"N100° 56' 31"W
Salamanca143,83820° 34' 19"N101° 11' 30"W
Guadalupe124,62322° 45' 11"N102° 31' 6"W
Zacatecas118,56222° 46' 6"N102° 34' 53"W
San Juan del Río118,17320° 23' 16"N99° 59' 46"W
San Francisco del Rincón113,57021° 1' 6"N101° 51' 19"W
Ciudad Valles109,50421° 58' 60"N99° 1' 0"W
Fresnillo105,48823° 10' 53"N102° 52' 17"W
Guanajuato78,36421° 1' 7"N101° 15' 33"W
El Pueblito71,25420° 32' 23"N100° 26' 29"W
San Miguel de Allende69,81120° 54' 55"N100° 44' 38"W
Matehuala67,71723° 38' 54"N100° 38' 36"W
Silao65,19520° 56' 37"N101° 25' 37"W
Valle de Santiago60,52820° 23' 36"N101° 11' 21"W
Dolores Hidalgo Cuna de la Independencia Nacional59,24021° 9' 22"N100° 55' 57"W
Cortazar56,36020° 28' 48"N100° 57' 38"W
Acámbaro56,26320° 1' 49"N100° 43' 21"W
San Luis de la Paz49,91421° 17' 55"N100° 30' 59"W
Uriangato49,74520° 8' 27"N101° 10' 57"W
Río Verde48,85421° 55' 49"N99° 59' 30"W
Jerez de García Salinas43,06422° 38' 55"N102° 59' 25"W
Jesús María43,01221° 57' 40"N102° 20' 36"W
Moroleón40,06320° 7' 33"N101° 11' 31"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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