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December Weather in Rio Seco, Mexico

Last updated: August 27, 2025

In December, the average temperature in Rio Seco, Mexico hovers around 24°C (75°F), providing a comfortable climate for outdoor activities. Temperatures can range from a cool 16°C (61°F) to a warm 30°C (86°F). Precipitation is quite minimal, with an average of just 5 mm (0.2 in) occurring over 1 day, and the average humidity sits at a pleasant 72%. Enjoy the mild weather!

December Temperature in Rio Seco

In December in Rio Seco, the average temperature is 24°C (75°F). Maximums can reach 30°C (86°F), and minimums can be as low as 16°C (61°F). This comfortable climate makes Rio Seco an ideal destination for travelers seeking pleasant weather and outdoor activities.

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

The chart illustrates December temperature patterns in Rio Seco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Seco, December typically has an average temperature of 24°C (75°F), with highs reaching up to 30°C (86°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec747577777877787777777675
Data source: Temperature data for Rio Seco 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 Seco

In Rio Seco in December, the precipitation amount is 5 mm (0.2 in) over a duration of 1 day.

December Precipitation Trends in Rio Seco

The chart displays monthly precipitation patterns in Rio Seco, 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 Seco, December typically receives around 5 mm (0.2 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec811942157409173290283180155
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rio Seco

In Rio Seco in December, humidity is 72%. With an average temperature of 24°C (75°F), this humidity feels like a warm blanket wrapped around you, making any travel plans feel pleasantly sticky but still enjoyable as long as you stay hydrated and take breaks in the shade.

December Average Humidity in Rio Seco

This chart illustrates the average monthly humidity levels in Rio Seco, 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 Seco is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec67%66%63%66%71%74%78%78%77%77%75%72%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Rio Seco

In Rio Seco 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 Rio Seco.

Maximum UV Index Levels in Rio Seco for December

The chart shows the monthly maximum UV Index (UVI) for Rio Seco 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 Seco typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121314141314131312109
Data source: Rio Seco 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 Seco Compares to Other Months

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

This table compares monthly weather conditions in Rio Seco, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)8 mm (0.3 inches)67%very high
February Weather24°C (75°F)11 mm (0.4 inches)66%extreme
March Weather25°C (77°F)9 mm (0.3 inches)63%extreme
April Weather25°C (78°F)42 mm (1.7 inches)66%extreme
May Weather26°C (78°F)156 mm (6.2 inches)71%extreme
June Weather25°C (77°F)408 mm (16.1 inches)73%extreme
July Weather26°C (79°F)173 mm (6.8 inches)78%extreme
August Weather25°C (78°F)290 mm (11.4 inches)78%extreme
September Weather25°C (77°F)283 mm (11.1 inches)77%extreme
October Weather25°C (77°F)180 mm (7.1 inches)77%extreme
November Weather25°C (77°F)15 mm (0.6 inches)75%very high
December Weather24°C (75°F)5 mm (0.2 inches)72%very high

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