nomadseason

December Weather in Tres Passos, Brazil

Last updated: August 22, 2025

The average temperature in Tres Passos, Brazil during December is a warm 25°C (77°F). However, temperatures can fluctuate significantly, with a minimum of 12°C (53°F) and a soaring maximum of 38°C (101°F). Expect approximately 101 mm (4.0 in) of precipitation over 10 days, and be prepared for high humidity levels at 85% that contribute to the overall tropical feel of the month.

December Temperature in Tres Passos

In December in Tres Passos, the average temperature is 25°C (77°F). Maximums can reach 38°C (101°F), and minimums can be as low as 12°C (53°F). This makes it a great time to explore outdoor activities while being prepared for both warm days and cooler evenings.

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

The chart illustrates December temperature patterns in Tres Passos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tres Passos, December typically has an average temperature of 25°C (77°F), with highs reaching up to 38°C (101°F) and lows dropping to around 12°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec787674706461596368717477
Data source: Temperature data for Tres Passos 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 Passos

In Tres Passos in December, the precipitation amount is 101 mm (4.0 in) spread over the course of 10 days.

December Precipitation Trends in Tres Passos

The chart displays monthly precipitation patterns in Tres Passos, 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 Passos, December typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec149103111981831508769119172136101
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Tres Passos

In Tres Passos in December, humidity is 85%. With an average temperature of 25°C (77°F), this humidity feels like a warm, heavy blanket wrapping around you, making every outdoor excursion feel both stifling and sticky, requiring frequent breaks in the shade to stay comfortable while exploring.

December Average Humidity in Tres Passos

This chart illustrates the average monthly humidity levels in Tres Passos, 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 Passos 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 Passos

In Tres Passos 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 Passos, you can check here.

Maximum UV Index Levels in Tres Passos for December

The chart shows the monthly maximum UV Index (UVI) for Tres Passos 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 Passos typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141310656710131414
Data source: Tres Passos 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 Passos Compares to Other Months

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

This table compares monthly weather conditions in Tres Passos, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)149 mm (5.8 inches)79%extreme
February Weather25°C (76°F)103 mm (4.1 inches)74%extreme
March Weather24°C (75°F)111 mm (4.4 inches)72%extreme
April Weather21°C (70°F)97 mm (3.8 inches)78%very high
May Weather18°C (64°F)183 mm (7.2 inches)82%high
June Weather16°C (61°F)150 mm (5.9 inches)78%moderate
July Weather15°C (59°F)87 mm (3.4 inches)73%high
August Weather17°C (63°F)69 mm (2.7 inches)58%high
September Weather20°C (69°F)119 mm (4.7 inches)62%very high
October Weather22°C (71°F)172 mm (6.8 inches)65%extreme
November Weather23°C (74°F)136 mm (5.4 inches)76%extreme
December Weather25°C (77°F)101 mm (4.0 inches)85%extreme

Compare Tres Passos's Climate with Cities Worldwide