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Climate in West Mexico

Average daytime and nighttime temperatures


All climatic diagrams on this site result from the collected data from 15 measuring weather stations in West Mexico.
Weather stations at an altitude above 2000m have not been included.
All data correspond to the average monthly values of the last 20 years.


Back to overview: Mexico

West Mexico 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
Compare climate with other regions or countries
Hours of sunshine per daySunshine hours per day in West Mexico
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 region of West Mexico. In September the sun shines the shortest.
Rainy days per monthRainy days per month in West Mexico
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 West Mexico
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 0.2 mm, the least rain falls in April. July, on the other hand, has the most rain.
Relative humidity in %Relative humidity in West Mexico
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 West Mexico
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 West Mexico, although these are average values, and a month is rarely completely or not at all considered humid.
Humidex in °CHumidex in West Mexico
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 West Mexico

Most important cities in the region »West Mexico«

Alone 4 major cities with over 500,000 inhabitants are located here. The region has a west-east extension of about 540 km and over 500 km from north to south.

It consists of the four federal states Colima, Jalisco, Michoacán and Nayarit.


CityPopulationGeo position
Guadalajara1,460,14820° 40' 1"N103° 23' 31"W
Zapopan1,142,48320° 43' 25"N103° 23' 5"W
Morelia597,51119° 42' 3"N101° 11' 4"W
Tlaquepaque575,94220° 38' 27"N103° 17' 36"W
Tonalá401,50920° 37' 28"N103° 14' 3"W
Tepic332,86321° 30' 34"N104° 53' 44"W
Uruapan237,30819° 24' 40"N102° 3' 23"W
Puerto Vallarta203,34220° 37' 1"N105° 13' 49"W
Colima137,38319° 14' 60"N103° 43' 38"W
Zamora124,91619° 59' 8"N102° 17' 2"W
Ciudad de Villa de Álvarez117,60019° 16' 2"N103° 44' 16"W
Manzanillo110,73519° 7' 1"N104° 20' 32"W
Manzanillo110,72819° 3' 8"N104° 18' 57"W
Ciudad Guzmán101,01019° 42' 17"N103° 27' 42"W
Apatzingán98,42219° 5' 19"N102° 21' 25"W
Ocotlán92,96720° 21' 19"N102° 46' 25"W
Hacienda Santa Fe86,93520° 31' 5"N103° 22' 50"W
Lagos de Moreno84,67721° 21' 21"N101° 56' 2"W
Ciudad Lázaro Cárdenas84,00117° 58' 14"N102° 13' 16"W
Tepatitlán de Morelos83,69420° 49' 1"N102° 45' 48"W
Tecoman79,57918° 55' 0"N103° 52' 40"W
Heróica Zitácuaro78,95019° 26' 10"N100° 21' 26"W
La Piedad Cavadas70,23820° 20' 51"N102° 1' 41"W
Sahuayo de Morelos58,51320° 3' 31"N102° 42' 57"W
Ciudad Hidalgo54,99319° 41' 32"N100° 33' 27"W
Zacapú50,11219° 48' 50"N101° 47' 25"W
Pátzcuaro49,01619° 30' 57"N101° 36' 32"W
San Juan de los Lagos45,67121° 14' 56"N102° 19' 55"W
Arandas43,34220° 42' 19"N102° 20' 47"W
Autlán de Navarro42,15519° 46' 6"N104° 21' 60"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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