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December Weather in Ciudad Rio Bravo, Mexico

Last updated: August 27, 2025

In Ciudad Rio Bravo, Mexico, the average temperature for December hovers around 18°C (65°F), but don't be surprised if it swings anywhere from a chilly 1°C (34°F) to a warm 34°C (93°F). Expect 19 mm (0.8 in) of precipitation spread over about 3 days, with an average humidity level lingering at a comfortable 86%. Whether you're braving the heat or enjoying the cool breeze, this month's weather brings a charming blend of conditions!

December Temperature in Ciudad Rio Bravo

In December in Ciudad Rio Bravo, the average temperature is 18°C (65°F). The maximum can reach 34°C (93°F), and the minimum can be as low as 1°C (34°F). This temperature range makes Ciudad Rio Bravo an ideal destination for travelers looking to enjoy a variety of outdoor activities.

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

The chart illustrates December temperature patterns in Ciudad Rio Bravo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ciudad Rio Bravo, December typically has an average temperature of 18°C (65°F), with highs reaching up to 34°C (93°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec626572778285868783776964
Data source: Temperature data for Ciudad Rio Bravo 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 Ciudad Rio Bravo

In Ciudad Rio Bravo in December, the precipitation amount averaged 19 mm (0.8 in) over a span of 3 days.

December Precipitation Trends in Ciudad Rio Bravo

The chart displays monthly precipitation patterns in Ciudad Rio Bravo, 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 Ciudad Rio Bravo, December typically receives around 19 mm (0.8 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec2223332777901022899513219
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ciudad Rio Bravo

In Ciudad Rio Bravo in December humidity is 86%. With an average temperature of 18°C (65°F), this humidity feels like you’re wrapped in a warm, heavy blanket, making outdoor activities feel quite muggy and sticky for traveling.

December Average Humidity in Ciudad Rio Bravo

This chart illustrates the average monthly humidity levels in Ciudad Rio Bravo, 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 Ciudad Rio Bravo is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%78%81%82%74%68%67%75%78%83%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ciudad Rio Bravo

In Ciudad Rio Bravo in December, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Ciudad Rio Bravo, you can refer to this Hourly UV Index in Ciudad Rio Bravo.

Maximum UV Index Levels in Ciudad Rio Bravo for December

The chart shows the monthly maximum UV Index (UVI) for Ciudad Rio Bravo 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 Ciudad Rio Bravo typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec69101112121212111076
Data source: Ciudad Rio Bravo 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 Ciudad Rio Bravo Compares to Other Months

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

This table compares monthly weather conditions in Ciudad Rio Bravo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (62°F)22 mm (0.9 inches)84%high
February Weather18°C (65°F)23 mm (0.9 inches)83%very high
March Weather22°C (72°F)33 mm (1.3 inches)78%very high
April Weather25°C (77°F)27 mm (1.1 inches)81%extreme
May Weather28°C (82°F)77 mm (3.0 inches)82%extreme
June Weather29°C (85°F)90 mm (3.6 inches)74%extreme
July Weather30°C (86°F)102 mm (4.0 inches)68%extreme
August Weather31°C (87°F)28 mm (1.1 inches)67%extreme
September Weather28°C (83°F)99 mm (3.9 inches)75%extreme
October Weather25°C (77°F)51 mm (2.0 inches)78%very high
November Weather21°C (69°F)32 mm (1.2 inches)83%high
December Weather18°C (65°F)19 mm (0.8 inches)86%high

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