December weather forecast
Mexico

December in Mexico signifies the beginning of the winter season. The weather continues its transition towards cooler and drier conditions with a noticeable decline in temperatures, especially in the northern and central regions.

In the northern arid and semi-arid areas, December sees daytime temperatures averaging between 20°C (68°F) and 27°C (80.6°F). Night temperatures can drop to between 7°C (44.6°F) and 13°C (55.4°F), signifying a clear transition towards colder winter nights.

In the south-central high mountain regions, including Pico de Orizaba, temperatures remain on the cool side, averaging between 0°C (32°F) and 10°C (50°F). These regions remain snow-free in December, continuing the trend of the previous months.

Mexico City, located in the southern part of the central plateau, experiences an even further drop in temperature in December. Average temperatures range between 10°C (50°F) and 20°C (68°F), with the city's altitude enhancing the chill during the night.

On the Yucatan Peninsula, temperatures continue to decrease, with averages falling between 19°C (66.2°F) and 29°C (84.2°F). The tropical climate of the Peninsula remains but is less intense due to the decreased humidity, contributing to a more pleasant atmosphere.

In the coastal regions of Baja California, temperatures decline further, with averages ranging between 16°C (60.8°F) and 22°C (71.6°F). The cooling sea breezes maintain a pleasant atmosphere, making these regions suitable for beach activities even in the winter months.

December rainfall in Mexico is minimal, signifying the full arrival of the dry season. Both the southern and northern regions, along with the highlands, record scanty rainfall, averaging only around 20mm (0.79").

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• Mexico City - December »
  The month with the least rainfall in Mexico City is December, when the rain falls for 3.9 days and typically collects 4mm (0.16") of precipitation. Entering December, Mexico City's average high-temperature reads a refreshing 19.7°C (67.5°F), indicating a close resemblance to the previous month's climate.
• Guadalajara - December »
  December, marked by an average high-temperature of 23.5°C (74.3°F) and a low-temperature of 9.9°C (49.8°F), is the coldest month in Guadalajara. With an average of 10h and 54min of daylight, December has the shortest days of the year in Guadalajara.
• Monterrey - December »
  The month with the most snowfall in Monterrey is December, when snow falls for 0.1 days and typically aggregates up to 6mm (0.24") of snow. The month with the most snowfall in Monterrey is December, when snow falls for 0.1 days and typically aggregates up to 6mm (0.24") of snow.
• Puebla - December »
  The month with the least rainfall in Puebla is December, when the rain falls for 4.5 days and typically collects 6mm (0.24") of precipitation. The month with the shortest days in Puebla is December, with an average of 11h and 0min of daylight.
• Tijuana - December »
  In Tijuana in December, during 6.1 rainfall days, 38mm (1.5") of precipitation is typically accumulated. On the first day of December in Tijuana sunrise is at 6:31 am and sunset at 4:42 pm.
• Ciudad Juarez - December »
  The month with the most snowfall in Ciudad Juarez is December, when snow falls for 0.9 days and typically aggregates up to 14mm (0.55") of snow. The month with the shortest days in Ciudad Juarez is December, with an average of 10h and 6min of daylight.
• Leon - December »
  With the weather marked by temperatures dropping down to 21.6°C (70.9°F) and minimal rainfall of 7mm (0.28"), December exemplifies the cool, dry season characteristic of Leon, Mexico. January, March, May and December, with an average of 9.8h of sunshine, are months with the most sunshine in Leon, Mexico.
• Merida - December »
  December has the shortest days of the year in Merida with an average of 10h and 54min of daylight. With an average of 10h and 54min of daylight, December has the shortest days of the year in Merida.
• San Luis Potosi - December »
  The months with the most snowfall days in San Luis Potosi are January, November and December, with an average of 0.1 snowfall days. In San Luis Potosi in December, during 5.8 rainfall days, 10mm (0.39") of precipitation is typically accumulated.
• Querétaro - December »
  December has the shortest days of the year in Querétaro, with an average of 10h and 54min of daylight. In Querétaro, in December, it is raining for 1.9 days, with typically 10mm (0.39") of accumulated precipitation.
• Mexicali - December »
  The month with the least sunshine in Mexicali is December, with an average of 7.1h of sunshine. The most humid month in Mexicali is December, with an average relative humidity of 38%.
• Hermosillo - December »
  The month with the shortest days in Hermosillo is December, with an average of 10h and 18min of daylight. December stands out as Hermosillo's coldest month, with temperatures ranging between an average high of 22.7°C (72.9°F) and a low of 12.3°C (54.1°F).