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December Weather in Sao Bento do Sul, Brazil

Last updated: August 22, 2025

In Sao Bento do Sul, Brazil, the average temperature in December is a delightful 20°C (68°F). However, temperatures can vary, with a minimum of 10°C (50°F) and a maximum hitting 33°C (91°F). Expect a fair amount of rain, with around 186 mm (7.3 in) of precipitation over 20 days, contributing to a high average humidity of 88%. Whether you're basking in the warmth or dodging the rain, there's always something to enjoy!

December Temperature in Sao Bento do Sul

In December in Sao Bento do Sul, the average temperature is 20°C (68°F). The maximum can reach 33°C (91°F), and the minimum can be as low as 10°C (50°F). This climate makes Sao Bento do Sul an ideal destination for travelers seeking a comfortable and enjoyable experience.

December Weather in Sao Bento do Sul: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Sao Bento do Sul, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Bento do Sul, December typically has an average temperature of 20°C (68°F), with highs reaching up to 33°C (91°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec706968645958565763636568
Data source: Temperature data for Sao Bento do Sul 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 Sao Bento do Sul

In Sao Bento do Sul in December, the precipitation amount reaches 186 mm (7.3 in) over the course of 20 days.

December Precipitation Trends in Sao Bento do Sul

The chart displays monthly precipitation patterns in Sao Bento do Sul, 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 Sao Bento do Sul, December typically receives around 186 mm (7.3 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec1811471446699127418495176127186
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sao Bento do Sul

In Sao Bento do Sul in December humidity is 88%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making every step feel heavier and every breath a bit more labored, which can be quite draining for traveling.

December Average Humidity in Sao Bento do Sul

This chart illustrates the average monthly humidity levels in Sao Bento do Sul, 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 Sao Bento do Sul is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%83%85%85%86%85%80%79%82%82%86%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sao Bento do Sul

In Sao Bento do Sul in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Sao Bento do Sul.

Maximum UV Index Levels in Sao Bento do Sul for December

The chart shows the monthly maximum UV Index (UVI) for Sao Bento do Sul 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 Sao Bento do Sul typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15151311766811131515
Data source: Sao Bento do Sul 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 Sao Bento do Sul Compares to Other Months

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

This table compares monthly weather conditions in Sao Bento do Sul, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (70°F)180 mm (7.1 inches)86%extreme
February Weather20°C (69°F)147 mm (5.8 inches)83%extreme
March Weather20°C (68°F)144 mm (5.7 inches)85%extreme
April Weather18°C (64°F)66 mm (2.6 inches)85%extreme
May Weather15°C (60°F)99 mm (3.9 inches)86%high
June Weather14°C (58°F)127 mm (5.0 inches)85%high
July Weather13°C (56°F)41 mm (1.6 inches)80%high
August Weather14°C (57°F)84 mm (3.3 inches)79%very high
September Weather17°C (63°F)95 mm (3.7 inches)82%extreme
October Weather17°C (63°F)176 mm (6.9 inches)82%extreme
November Weather18°C (65°F)127 mm (5.0 inches)86%extreme
December Weather20°C (68°F)186 mm (7.3 inches)88%extreme

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