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December Weather in Santiago Nacaltepec, Mexico

Last updated: August 27, 2025

In December, the average temperature in Santiago Nacaltepec, Mexico hovers around 15°C (59°F), with a comfortable range between 0°C (33°F) and a pleasant 28°C (83°F). Expect about 12 mm (0.5 in) of precipitation over 3 days, contributing to an average humidity level of 88%.

December Temperature in Santiago Nacaltepec

In December in Santiago Nacaltepec, the average temperature is 15°C (59°F). Maximum temperatures can reach 28°C (83°F), while minimums can drop as low as 0°C (33°F). This makes it a great time for travelers to enjoy a mix of mild and warm weather, perfect for outdoor activities and sightseeing.

December Weather in Santiago Nacaltepec: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Santiago Nacaltepec, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santiago Nacaltepec, December typically has an average temperature of 15°C (59°F), with highs reaching up to 28°C (83°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec596264676966656565646159
Data source: Temperature data for Santiago Nacaltepec 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 Santiago Nacaltepec

In Santiago Nacaltepec in December, the precipitation amount is 12 mm (0.5 in) during a span of 3 days.

December Precipitation Trends in Santiago Nacaltepec

The chart displays monthly precipitation patterns in Santiago Nacaltepec, 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 Santiago Nacaltepec, December typically receives around 12 mm (0.5 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec18111842752481352332681363012
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Santiago Nacaltepec

In Santiago Nacaltepec in December humidity is 88%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket enveloping you, making outdoor adventures feel stifling and sticky, which can drain your energy while traveling.

December Average Humidity in Santiago Nacaltepec

This chart illustrates the average monthly humidity levels in Santiago Nacaltepec, 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 Santiago Nacaltepec 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 Santiago Nacaltepec

In Santiago Nacaltepec 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 Santiago Nacaltepec.

Maximum UV Index Levels in Santiago Nacaltepec for December

The chart shows the monthly maximum UV Index (UVI) for Santiago Nacaltepec 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 Santiago Nacaltepec typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10131415151515141413119
Data source: Santiago Nacaltepec 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 Santiago Nacaltepec Compares to Other Months

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

This table compares monthly weather conditions in Santiago Nacaltepec, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (59°F)18 mm (0.7 inches)84%very high
February Weather17°C (62°F)11 mm (0.4 inches)80%extreme
March Weather18°C (65°F)18 mm (0.7 inches)73%extreme
April Weather20°C (68°F)42 mm (1.7 inches)67%extreme
May Weather20°C (69°F)75 mm (3.0 inches)72%extreme
June Weather19°C (66°F)248 mm (9.8 inches)73%extreme
July Weather18°C (65°F)135 mm (5.3 inches)76%extreme
August Weather18°C (65°F)233 mm (9.2 inches)80%extreme
September Weather18°C (65°F)268 mm (10.5 inches)84%extreme
October Weather18°C (64°F)136 mm (5.3 inches)89%extreme
November Weather16°C (61°F)30 mm (1.2 inches)88%extreme
December Weather15°C (59°F)12 mm (0.5 inches)88%very high

Compare Santiago Nacaltepec's Climate with Cities Worldwide