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December Weather in Porto Walter, Brazil

Last updated: August 22, 2025

In December, the average temperature in Porto Walter, Brazil is a warm 26°C (79°F), with daily variations ranging from a minimum of 22°C (71°F) to a maximum of 35°C (95°F). The region experiences substantial precipitation, with 242 mm (9.5 in) of rain over 26 days, contributing to an average humidity level of 89%. Perfect for those who enjoy a tropical climate!

December Temperature in Porto Walter

In December in Porto Walter, the average temperature is 26°C (79°F), with maximums reaching 35°C (95°F) and minimums dropping to as low as 22°C (71°F). This mild warmth makes it an ideal time for travelers to explore outdoor attractions and enjoy the pleasant weather.

December Weather in Porto Walter: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Porto Walter, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Porto Walter, December typically has an average temperature of 26°C (79°F), with highs reaching up to 35°C (95°F) and lows dropping to around 22°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec787878787777777980797979
Data source: Temperature data for Porto Walter 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 Porto Walter

In Porto Walter in December, the precipitation amount is 242 mm (9.5 in) over the course of 26 days.

December Precipitation Trends in Porto Walter

The chart displays monthly precipitation patterns in Porto Walter, 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 Porto Walter, December typically receives around 242 mm (9.5 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec250294308214118825075103190240242
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Porto Walter

In Porto Walter in December, humidity is 89%. With an average temperature of 26°C (79°F), this humidity feels like walking through a warm, thick blanket, making it feel much hotter and more exhausting for traveling, as every step seems to weigh you down in the muggy air.

December Average Humidity in Porto Walter

This chart illustrates the average monthly humidity levels in Porto Walter, 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 Porto Walter is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%82%86%88%82%67%48%39%40%51%74%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Porto Walter

In Porto Walter 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 Porto Walter, you can check here.

Maximum UV Index Levels in Porto Walter for December

The chart shows the monthly maximum UV Index (UVI) for Porto Walter 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 Porto Walter typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151616151211111213151514
Data source: Porto Walter 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 Porto Walter Compares to Other Months

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

This table compares monthly weather conditions in Porto Walter, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)250 mm (9.9 inches)85%extreme
February Weather26°C (79°F)294 mm (11.6 inches)82%extreme
March Weather26°C (78°F)308 mm (12.1 inches)86%extreme
April Weather26°C (78°F)214 mm (8.4 inches)88%extreme
May Weather25°C (78°F)118 mm (4.7 inches)82%extreme
June Weather25°C (77°F)82 mm (3.2 inches)67%extreme
July Weather25°C (77°F)50 mm (1.9 inches)48%extreme
August Weather26°C (79°F)74 mm (2.9 inches)39%extreme
September Weather27°C (80°F)103 mm (4.1 inches)40%extreme
October Weather26°C (80°F)190 mm (7.5 inches)51%extreme
November Weather26°C (79°F)240 mm (9.5 inches)74%extreme
December Weather26°C (79°F)242 mm (9.5 inches)89%extreme

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