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December Weather in Santiago Miltepec, Mexico

Last updated: August 27, 2025

In Santiago Miltepec, Mexico, the average temperature in December is a pleasant 16°C (62°F). Expect a minimum of 2°C (37°F) and a maximum reaching up to 29°C (85°F). This month typically sees minimal precipitation, with only 2 mm (0.1 in) falling across 0 days. With an average humidity of around 70%, it’s an inviting time to enjoy the local atmosphere!

December Temperature in Santiago Miltepec

In December in Santiago Miltepec, the average temperature is 16°C (62°F). The maximum can reach 29°C (85°F) and the minimum can be as low as 2°C (37°F). It's a perfect time to enjoy a mix of pleasant warm days and cool evenings, making it ideal for outdoor activities and exploration.

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

The chart illustrates December temperature patterns in Santiago Miltepec, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santiago Miltepec, December typically has an average temperature of 16°C (62°F), with highs reaching up to 29°C (85°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec616467707168676766666362
Data source: Temperature data for Santiago Miltepec 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 Miltepec

In Santiago Miltepec in December, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

December Precipitation Trends in Santiago Miltepec

The chart displays monthly precipitation patterns in Santiago Miltepec, 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 Miltepec, December typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec428328924414821028991122
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Santiago Miltepec

In Santiago Miltepec in December, humidity is 70%. With an average temperature of 16°C (62°F), this humidity feels like a cool, damp blanket wrapping around you, making outdoor activities a bit uncomfortable and prompting travelers to seek shade or indoor attractions to avoid the sticky air.

December Average Humidity in Santiago Miltepec

This chart illustrates the average monthly humidity levels in Santiago Miltepec, 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 Miltepec is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%61%59%62%73%78%79%82%82%79%72%70%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Santiago Miltepec

In Santiago Miltepec 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 Miltepec.

Maximum UV Index Levels in Santiago Miltepec for December

The chart shows the monthly maximum UV Index (UVI) for Santiago Miltepec 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 Miltepec typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10131415151515141412109
Data source: Santiago Miltepec 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 Miltepec Compares to Other Months

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

This table compares monthly weather conditions in Santiago Miltepec, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)4 mm (0.2 inches)65%very high
February Weather18°C (65°F)2 mm (0.1 inches)61%extreme
March Weather20°C (68°F)8 mm (0.3 inches)59%extreme
April Weather21°C (70°F)32 mm (1.3 inches)62%extreme
May Weather22°C (71°F)89 mm (3.5 inches)73%extreme
June Weather20°C (68°F)244 mm (9.6 inches)78%extreme
July Weather19°C (67°F)148 mm (5.8 inches)79%extreme
August Weather20°C (68°F)210 mm (8.3 inches)82%extreme
September Weather19°C (67°F)289 mm (11.4 inches)82%extreme
October Weather19°C (66°F)91 mm (3.6 inches)79%extreme
November Weather17°C (64°F)12 mm (0.5 inches)72%very high
December Weather16°C (62°F)2 mm (0.1 inches)70%very high

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