December Weather in Marechal Deodoro, Brazil

Last updated: August 22, 2025

In Marechal Deodoro, Brazil, the average temperature in December is a warm 27°C (81°F). During this time, you can expect minimums of 22°C (72°F) and maximums reaching 34°C (93°F). With 50 mm (2.0 in) of precipitation spread over 16 days, the air is typically humid, boasting an average humidity of 72%. Prepare for a mix of sun and rain as you enjoy the balmy weather!

December Temperature in Marechal Deodoro

In December in Marechal Deodoro, the average temperature is 27°C (81°F). Maximum temperatures can reach 34°C (93°F), while the minimum can drop to as low as 22°C (72°F). Overall, this makes Marechal Deodoro a warm and pleasant destination, perfect for travelers looking to enjoy the sun.

December Weather in Marechal Deodoro: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Marechal Deodoro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marechal Deodoro, December typically has an average temperature of 27°C (81°F), with highs reaching up to 34°C (93°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec808181807876757576798080
Data source: Temperature data for Marechal Deodoro generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Marechal Deodoro

In Marechal Deodoro in December, the total precipitation amount is 50 mm (2.0 in) over the course of 16 days.

December Precipitation Trends in Marechal Deodoro

The chart displays monthly precipitation patterns in Marechal Deodoro, 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 Marechal Deodoro, December typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec52601191361361291579568404050
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Marechal Deodoro

In Marechal Deodoro in December humidity is 72%. With an average temperature of 27°C (81°F), this humidity feels like walking through a warm, damp blanket, making travel a bit uncomfortable as you navigate through the thick, sticky air.

December Average Humidity in Marechal Deodoro

This chart illustrates the average monthly humidity levels in Marechal Deodoro, 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 Marechal Deodoro is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%87%88%89%90%89%86%84%79%74%71%72%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Marechal Deodoro

In Marechal Deodoro 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 Marechal Deodoro, you can check here.

Maximum UV Index Levels in Marechal Deodoro for December

The chart shows the monthly maximum UV Index (UVI) for Marechal Deodoro 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 Marechal Deodoro typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141414141210101213131514
Data source: Marechal Deodoro 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 Marechal Deodoro Compares to Other Months

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

This table compares monthly weather conditions in Marechal Deodoro, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)52 mm (2.0 inches)84%extreme
February Weather27°C (81°F)60 mm (2.4 inches)87%extreme
March Weather27°C (81°F)118 mm (4.7 inches)88%extreme
April Weather27°C (80°F)136 mm (5.4 inches)89%extreme
May Weather26°C (78°F)136 mm (5.4 inches)90%extreme
June Weather25°C (77°F)129 mm (5.1 inches)89%very high
July Weather24°C (75°F)156 mm (6.2 inches)86%very high
August Weather24°C (75°F)95 mm (3.7 inches)84%extreme
September Weather25°C (77°F)68 mm (2.7 inches)79%extreme
October Weather26°C (79°F)40 mm (1.6 inches)74%extreme
November Weather27°C (80°F)40 mm (1.6 inches)71%extreme
December Weather27°C (81°F)50 mm (2.0 inches)72%extreme

Compare Marechal Deodoro's Climate with Cities Worldwide