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December Weather in Rio de Medina, Mexico

Last updated: August 27, 2025

In Rio de Medina, Mexico, the average temperature in December hovers around 12°C (54°F). Expect a minimum of -8°C (19°F) and a comfortable maximum of 27°C (81°F). While the average humidity sits at 83%, you can anticipate 10 mm (0.4 in) of precipitation over the course of just 1 day.

December Temperature in Rio de Medina

In December in Rio de Medina, the average temperature is 12°C (54°F). Maximum temperatures can reach 27°C (81°F), while the minimum can drop as low as -8°C (19°F). This wide range of temperatures makes it essential for travelers to pack layers to stay comfortable throughout the day.

December Weather in Rio de Medina: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Rio de Medina, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio de Medina, December typically has an average temperature of 12°C (54°F), with highs reaching up to 27°C (81°F) and lows dropping to around -8°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec545864687272686965645954
Data source: Temperature data for Rio de Medina 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 Rio de Medina

In Rio de Medina in December, the precipitation amount is 10 mm (0.4 in) over the course of 1 day.

December Precipitation Trends in Rio de Medina

The chart displays monthly precipitation patterns in Rio de Medina, 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 Rio de Medina, December typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec1511610186212864124531510
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rio de Medina

In Rio de Medina in December humidity is 83%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making outdoor exploration feel sticky and uncomfortable, which can dampen the excitement of traveling.

December Average Humidity in Rio de Medina

This chart illustrates the average monthly humidity levels in Rio de Medina, 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 Rio de Medina is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%64%49%47%55%77%82%83%86%83%80%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Rio de Medina

In Rio de Medina 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 Rio de Medina.

Maximum UV Index Levels in Rio de Medina for December

The chart shows the monthly maximum UV Index (UVI) for Rio de Medina 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 Rio de Medina typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec811131515141414141298
Data source: Rio de Medina 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 Rio de Medina Compares to Other Months

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

This table compares monthly weather conditions in Rio de Medina, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)15 mm (0.6 inches)71%very high
February Weather15°C (58°F)11 mm (0.4 inches)64%extreme
March Weather18°C (64°F)6 mm (0.2 inches)49%extreme
April Weather20°C (68°F)10 mm (0.4 inches)47%extreme
May Weather22°C (72°F)18 mm (0.7 inches)55%extreme
June Weather22°C (72°F)62 mm (2.4 inches)77%extreme
July Weather20°C (69°F)128 mm (5.0 inches)82%extreme
August Weather21°C (69°F)64 mm (2.5 inches)83%extreme
September Weather18°C (65°F)124 mm (4.9 inches)86%extreme
October Weather18°C (64°F)53 mm (2.1 inches)83%extreme
November Weather15°C (59°F)15 mm (0.6 inches)80%very high
December Weather12°C (54°F)10 mm (0.4 inches)83%very high

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