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December Weather in Mombaca, Brazil

Last updated: August 22, 2025

In Mombaca, Brazil, the average temperature in December hovers around 28°C (83°F), making it a pleasantly warm destination. However, temperatures can range from a minimum of 21°C (70°F) to a sweltering maximum of 37°C (98°F). Expect a modest precipitation amount of 29 mm (1.2 in) spread over 5 days, alongside an average humidity of 69%, creating a tropical atmosphere that adds to the region's charm.

December Temperature in Mombaca

In December in Mombaca, the average temperature is 28°C (83°F), with maximums reaching 37°C (98°F) and minimums dropping as low as 21°C (70°F). It's an ideal time for travelers who enjoy warm weather and outdoor activities.

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

The chart illustrates December temperature patterns in Mombaca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mombaca, December typically has an average temperature of 28°C (83°F), with highs reaching up to 37°C (98°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec818079787879798183848483
Data source: Temperature data for Mombaca 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 Mombaca

In Mombaca in December, the precipitation amount is 29 mm (1.2 in) over a period of 5 days.

December Precipitation Trends in Mombaca

The chart displays monthly precipitation patterns in Mombaca, 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 Mombaca, December typically receives around 29 mm (1.2 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec54154128105391619434829
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mombaca

In Mombaca in December, humidity is 69%. With an average temperature of 28°C (83°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor exploration a bit more strenuous and requiring plenty of hydration and breaks in the shade.

December Average Humidity in Mombaca

This chart illustrates the average monthly humidity levels in Mombaca, 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 Mombaca is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%92%91%89%78%66%60%56%54%56%69%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mombaca

In Mombaca in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Mombaca, you can check here.

Maximum UV Index Levels in Mombaca for December

The chart shows the monthly maximum UV Index (UVI) for Mombaca 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 Mombaca typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141415151311111213131414
Data source: Mombaca 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 Mombaca Compares to Other Months

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

This table compares monthly weather conditions in Mombaca, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)54 mm (2.1 inches)89%extreme
February Weather27°C (80°F)154 mm (6.1 inches)90%extreme
March Weather26°C (79°F)128 mm (5.1 inches)92%extreme
April Weather26°C (78°F)105 mm (4.1 inches)91%extreme
May Weather26°C (79°F)39 mm (1.5 inches)88%extreme
June Weather26°C (79°F)16 mm (0.6 inches)78%extreme
July Weather26°C (79°F)19 mm (0.8 inches)66%extreme
August Weather27°C (82°F)4 mm (0.2 inches)60%extreme
September Weather28°C (83°F)3 mm (0.1 inches)56%extreme
October Weather29°C (84°F)4 mm (0.2 inches)54%extreme
November Weather29°C (84°F)8 mm (0.3 inches)56%extreme
December Weather28°C (83°F)29 mm (1.2 inches)69%extreme

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