December Weather in San Jeronimo Zegache, Mexico

Last updated: August 27, 2025

In December, the average temperature in San Jeronimo Zegache, Mexico is a comfortable 17°C (63°F). Expect minimums that can dip to 3°C (38°F), while maximums can reach a balmy 29°C (85°F). With an average humidity of 88%, the atmosphere feels refreshingly damp, and you might encounter a light drizzle, as precipitation is a modest 7 mm (0.3 in) over the month with rain on just zero days.

December Temperature in San Jeronimo Zegache

In December in San Jeronimo Zegache, the average temperature is 17°C (63°F), with a maximum that can reach 29°C (85°F) and a minimum that can be as low as 3°C (38°F). This makes it a great time to explore San Jeronimo Zegache, so be sure to pack layers to enjoy both warm days and cool evenings!

December Weather in San Jeronimo Zegache: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Jeronimo Zegache, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jeronimo Zegache, December typically has an average temperature of 17°C (63°F), with highs reaching up to 29°C (85°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec626567707168686767666463
Data source: Temperature data for San Jeronimo Zegache 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 Jeronimo Zegache

In San Jeronimo Zegache in December, the precipitation amount is 7 mm (0.3 in) occurring over a span of 0 days.

December Precipitation Trends in San Jeronimo Zegache

The chart displays monthly precipitation patterns in San Jeronimo Zegache, 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 Jeronimo Zegache, December typically receives around 7 mm (0.3 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec419347420698151210115137
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Jeronimo Zegache

In San Jeronimo Zegache in December, humidity is 88%. With an average temperature of 17°C (63°F), this humidity feels like a thick blanket enveloping you, making outdoor activities feel stifling and sticky, potentially dampening the joy of exploration and requiring frequent breaks for hydration.

December Average Humidity in San Jeronimo Zegache

This chart illustrates the average monthly humidity levels in San Jeronimo Zegache, 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 Jeronimo Zegache 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 Jeronimo Zegache

In San Jeronimo Zegache 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 Jeronimo Zegache.

Maximum UV Index Levels in San Jeronimo Zegache for December

The chart shows the monthly maximum UV Index (UVI) for San Jeronimo Zegache 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 Jeronimo Zegache typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10131515151515141413119
Data source: San Jeronimo Zegache 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 Jeronimo Zegache Compares to Other Months

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

This table compares monthly weather conditions in San Jeronimo Zegache, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)4 mm (0.2 inches)84%very high
February Weather18°C (65°F)1 mm (0.1 inches)80%extreme
March Weather20°C (68°F)9 mm (0.4 inches)73%extreme
April Weather21°C (70°F)34 mm (1.3 inches)67%extreme
May Weather21°C (71°F)73 mm (2.9 inches)72%extreme
June Weather20°C (68°F)206 mm (8.1 inches)73%extreme
July Weather20°C (68°F)97 mm (3.8 inches)76%extreme
August Weather20°C (68°F)151 mm (6.0 inches)80%extreme
September Weather20°C (68°F)210 mm (8.3 inches)84%extreme
October Weather19°C (67°F)114 mm (4.5 inches)89%extreme
November Weather18°C (64°F)13 mm (0.5 inches)88%extreme
December Weather17°C (63°F)7 mm (0.3 inches)88%very high

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