December Weather in Reforma, Mexico

Last updated: August 27, 2025

In December, the average temperature in Reforma, Mexico hovers around 24°C (76°F), providing a pleasant climate for visitors. Expect minimum temperatures to drop to 12°C (54°F) and highs reaching up to 32°C (90°F). During this time, rainfall averages 39 mm (1.5 in) over about 12 days, contributing to a high average humidity of 88%. Whether you're exploring or relaxing, December offers a unique atmosphere worth experiencing!

December Temperature in Reforma

In December in Reforma, the average temperature is 24°C (76°F). The maximum can reach 32°C (90°F) and the minimum can be as low as 12°C (54°F). This makes it an ideal time to explore the outdoors while enjoying comfortable weather.

December Weather in Reforma: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Reforma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Reforma, December typically has an average temperature of 24°C (76°F), with highs reaching up to 32°C (90°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec757779828382838382807775
Data source: Temperature data for Reforma 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 Reforma

In Reforma in December, the precipitation amount is 39 mm (1.5 in) over the course of 12 days.

December Precipitation Trends in Reforma

The chart displays monthly precipitation patterns in Reforma, 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 Reforma, December typically receives around 39 mm (1.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4321213272229901261581807539
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Reforma

In Reforma in December humidity is 88%. With an average temperature of 24°C (76°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel like a gentle swim through the air, where every step is accompanied by a comforting yet slightly oppressive warmth.

December Average Humidity in Reforma

This chart illustrates the average monthly humidity levels in Reforma, 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 Reforma is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%80%69%64%63%62%65%78%86%87%88%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Reforma

In Reforma in December, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Reforma.

Maximum UV Index Levels in Reforma for December

The chart shows the monthly maximum UV Index (UVI) for Reforma 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 Reforma typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131413131313131198
Data source: Reforma 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 Reforma Compares to Other Months

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

This table compares monthly weather conditions in Reforma, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)43 mm (1.7 inches)85%very high
February Weather25°C (78°F)21 mm (0.8 inches)80%extreme
March Weather26°C (79°F)21 mm (0.8 inches)69%extreme
April Weather28°C (82°F)32 mm (1.3 inches)64%extreme
May Weather29°C (84°F)72 mm (2.8 inches)63%extreme
June Weather28°C (83°F)229 mm (9.0 inches)62%extreme
July Weather28°C (83°F)90 mm (3.5 inches)65%extreme
August Weather28°C (83°F)126 mm (4.9 inches)78%extreme
September Weather28°C (83°F)158 mm (6.2 inches)85%extreme
October Weather27°C (81°F)180 mm (7.1 inches)87%extreme
November Weather25°C (77°F)75 mm (3.0 inches)88%very high
December Weather24°C (76°F)39 mm (1.5 inches)88%very high

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