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December Weather in Sao Caetano do Sul, Brazil

Last updated: August 22, 2025

In Sao Caetano do Sul, Brazil, the average temperature in December hovers around 22°C (72°F), with minimums dipping to 12°C (54°F) and maximums soaring up to 33°C (92°F). Expect 150 mm (5.9 in) of precipitation spread over 22 days, contributing to a humidity level of approximately 80%. Prepare for a month that blends warmth with occasional showers!

December Temperature in Sao Caetano do Sul

In December in Sao Caetano do Sul, the average temperature is 22°C (72°F). The maximum can reach 33°C (92°F) and the minimum can be as low as 12°C (54°F). This pleasant climate makes Sao Caetano do Sul an ideal destination for travelers seeking a comfortable outdoor experience.

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

The chart illustrates December temperature patterns in Sao Caetano 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 Caetano do Sul, December typically has an average temperature of 22°C (72°F), with highs reaching up to 33°C (92°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec737272686464626368696871
Data source: Temperature data for Sao Caetano 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 Caetano do Sul

In Sao Caetano do Sul in December, the total precipitation amount is 150 mm (5.9 in) distributed over 22 days.

December Precipitation Trends in Sao Caetano do Sul

The chart displays monthly precipitation patterns in Sao Caetano 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 Caetano do Sul, December typically receives around 150 mm (5.9 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec192166148585648296447135126150
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sao Caetano do Sul

In Sao Caetano do Sul in December humidity is 80%. With an average temperature of 22°C (72°F), this humidity feels like a warm, enveloping blanket that can quickly sap your energy while traveling, making you feel sticky and uncomfortable if you're not prepared.

December Average Humidity in Sao Caetano do Sul

This chart illustrates the average monthly humidity levels in Sao Caetano 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 Caetano do Sul is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%84%79%77%72%65%58%50%75%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sao Caetano do Sul

In Sao Caetano 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 Caetano do Sul.

Maximum UV Index Levels in Sao Caetano do Sul for December

The chart shows the monthly maximum UV Index (UVI) for Sao Caetano 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 Caetano do Sul typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151211867911131415
Data source: Sao Caetano 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 Caetano do Sul Compares to Other Months

Weather in Sao Caetano 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 Caetano do Sul, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Sao Caetano do Sul, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)192 mm (7.6 inches)88%extreme
February Weather22°C (73°F)166 mm (6.5 inches)88%extreme
March Weather22°C (73°F)147 mm (5.8 inches)87%extreme
April Weather20°C (69°F)58 mm (2.3 inches)84%extreme
May Weather18°C (65°F)56 mm (2.2 inches)79%very high
June Weather18°C (64°F)48 mm (1.9 inches)77%high
July Weather16°C (62°F)29 mm (1.1 inches)72%high
August Weather17°C (63°F)64 mm (2.5 inches)65%very high
September Weather20°C (68°F)47 mm (1.9 inches)58%extreme
October Weather20°C (69°F)135 mm (5.3 inches)50%extreme
November Weather20°C (69°F)126 mm (5.0 inches)75%extreme
December Weather22°C (72°F)150 mm (5.9 inches)80%extreme

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