December Weather in San Marcos Zacatepec, Mexico

Last updated: August 27, 2025

In San Marcos Zacatepec, Mexico, the average temperature in December reaches a comfortable 20°C (69°F), offering a pleasant climate for outdoor activities. Expect temperatures to range from a cool 10°C (51°F) to a warm 30°C (87°F). With an average humidity of 88%, the air feels fresh, although there's a chance of precipitation—approximately 18 mm (0.7 in) spread over about 5 days during the month. Embrace the delightful weather as you explore this beautiful destination!

December Temperature in San Marcos Zacatepec

In December in San Marcos Zacatepec, the average temperature is 20°C (69°F). Maximums can reach 30°C (87°F) and minimums can be as low as 10°C (51°F). This pleasant climate makes it an ideal destination for travelers seeking a comfortable getaway.

December Weather in San Marcos Zacatepec: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Marcos Zacatepec, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Marcos Zacatepec, December typically has an average temperature of 20°C (69°F), with highs reaching up to 30°C (87°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec687072737371717171717068
Data source: Temperature data for San Marcos Zacatepec generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in San Marcos Zacatepec

In San Marcos Zacatepec in December, the precipitation amount is 18 mm (0.7 in) spread over a duration of 5 days.

December Precipitation Trends in San Marcos Zacatepec

The chart displays monthly precipitation patterns in San Marcos Zacatepec, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In San Marcos Zacatepec, December typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec16715321924103375135343394718
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Marcos Zacatepec

In San Marcos Zacatepec in December, humidity is 88%. With an average temperature of 20°C (69°F), this humidity feels like a warm blanket enveloping you, making travel feel both sticky and sluggish, as every step carries the weight of the thick, damp air.

December Average Humidity in San Marcos Zacatepec

This chart illustrates the average monthly humidity levels in San Marcos Zacatepec, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in San Marcos Zacatepec is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%80%73%67%72%73%76%80%84%89%88%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Marcos Zacatepec

In San Marcos Zacatepec in December, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in San Marcos Zacatepec.

Maximum UV Index Levels in San Marcos Zacatepec for December

The chart shows the monthly maximum UV Index (UVI) for San Marcos Zacatepec in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in San Marcos Zacatepec typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10131415151414141412109
Data source: San Marcos Zacatepec December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in San Marcos Zacatepec Compares to Other Months

Weather in San Marcos Zacatepec varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Marcos Zacatepec, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in San Marcos Zacatepec, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (69°F)16 mm (0.6 inches)84%very high
February Weather21°C (70°F)7 mm (0.3 inches)80%extreme
March Weather22°C (72°F)15 mm (0.6 inches)73%extreme
April Weather23°C (73°F)32 mm (1.3 inches)67%extreme
May Weather23°C (73°F)192 mm (7.6 inches)72%extreme
June Weather22°C (72°F)410 mm (16.1 inches)73%extreme
July Weather22°C (72°F)337 mm (13.3 inches)76%extreme
August Weather22°C (71°F)513 mm (20.2 inches)80%extreme
September Weather22°C (71°F)534 mm (21.0 inches)84%extreme
October Weather21°C (71°F)339 mm (13.4 inches)89%extreme
November Weather21°C (70°F)47 mm (1.8 inches)88%very high
December Weather20°C (69°F)18 mm (0.7 inches)88%very high

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