nomadseason

December Weather in Tres de Maio, Brazil

Last updated: August 22, 2025

In Tres de Maio, Brazil, the average temperature in December is a warm 25°C (78°F). However, temperatures can range significantly, with a minimum of 11°C (53°F) and soaring up to a maximum of 39°C (102°F). During this period, expect about 100 mm (3.9 in) of precipitation over 10 days, and keep in mind the average humidity hovers around a high 85%.

December Temperature in Tres de Maio

In December in Tres de Maio, the average temperature is 25°C (78°F). Maximum can reach 39°C (102°F) and minimum can be as low as 11°C (53°F). For an enjoyable travel experience, be sure to pack layers to accommodate the warm days and cooler nights.

December Weather in Tres de Maio: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Tres de Maio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tres de Maio, December typically has an average temperature of 25°C (78°F), with highs reaching up to 39°C (102°F) and lows dropping to around 11°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec787675706461596368717478
Data source: Temperature data for Tres de Maio 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 Tres de Maio

In Tres de Maio in December, the precipitation amount is 100 mm (3.9 in) over a span of 10 days.

December Precipitation Trends in Tres de Maio

The chart displays monthly precipitation patterns in Tres de Maio, 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 Tres de Maio, December typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec15511512611920514510677122185132100
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Tres de Maio

In Tres de Maio in December humidity is 85%. With an average temperature of 25°C (78°F), this humidity feels like traveling through a warm, damp blanket that clings to your skin, making even short walks feel exhausting and prompting frequent breaks in the shade or a refreshing drink to stay cool.

December Average Humidity in Tres de Maio

This chart illustrates the average monthly humidity levels in Tres de Maio, 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 Tres de Maio is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%74%72%78%82%78%73%59%62%65%76%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Tres de Maio

In Tres de Maio 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 Tres de Maio, you can check here.

Maximum UV Index Levels in Tres de Maio for December

The chart shows the monthly maximum UV Index (UVI) for Tres de Maio 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 Tres de Maio typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141210656710131414
Data source: Tres de Maio 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 Tres de Maio Compares to Other Months

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

This table compares monthly weather conditions in Tres de Maio, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)155 mm (6.1 inches)79%extreme
February Weather25°C (77°F)115 mm (4.5 inches)74%extreme
March Weather24°C (75°F)126 mm (5.0 inches)72%extreme
April Weather21°C (70°F)119 mm (4.7 inches)78%very high
May Weather18°C (64°F)205 mm (8.1 inches)82%high
June Weather16°C (61°F)145 mm (5.7 inches)78%moderate
July Weather15°C (60°F)106 mm (4.2 inches)73%high
August Weather17°C (63°F)77 mm (3.0 inches)58%high
September Weather20°C (69°F)122 mm (4.8 inches)62%very high
October Weather22°C (71°F)185 mm (7.3 inches)65%extreme
November Weather24°C (75°F)132 mm (5.2 inches)76%extreme
December Weather25°C (78°F)100 mm (3.9 inches)85%extreme

Compare Tres de Maio's Climate with Cities Worldwide