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December Weather in Sao Bento, Brazil

Last updated: August 22, 2025

In Sao Bento, Brazil, the average temperature in December is a warm 28°C (83°F), with a comfortable minimum of 23°C (74°F) and a maximum reaching 35°C (96°F). Expect 95 mm (3.8 in) of precipitation spread over 20 days, resulting in an average humidity of 78%. Prepare for a blend of warmth and occasional showers!

December Temperature in Sao Bento

In December in Sao Bento, the average temperature is 28°C (83°F). Maximum temperatures can reach 35°C (96°F), while the minimum can dip down to 23°C (74°F). This pleasant climate makes it an ideal time for outdoor activities and exploration.

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

The chart illustrates December temperature patterns in Sao Bento, 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, December typically has an average temperature of 28°C (83°F), with highs reaching up to 35°C (96°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec818080818181818283838382
Data source: Temperature data for Sao Bento 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

In Sao Bento in December, the precipitation amount is 95 mm (3.8 in) spread over 20 days.

December Precipitation Trends in Sao Bento

The chart displays monthly precipitation patterns in Sao Bento, 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, December typically receives around 95 mm (3.8 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec177328411387238102672619236395
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sao Bento

In Sao Bento in December, humidity is 78%. With an average temperature of 28°C (83°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities perspire more quickly and requiring frequent breaks in the shade for comfort.

December Average Humidity in Sao Bento

This chart illustrates the average monthly humidity levels in Sao Bento, 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 is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%90%92%89%79%64%55%51%53%60%78%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sao Bento

In Sao Bento in December, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Sao Bento.

Maximum UV Index Levels in Sao Bento for December

The chart shows the monthly maximum UV Index (UVI) for Sao Bento 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 typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151416161312111313131313
Data source: Sao Bento 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 Compares to Other Months

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

This table compares monthly weather conditions in Sao Bento, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)177 mm (7.0 inches)89%extreme
February Weather27°C (81°F)328 mm (12.9 inches)90%extreme
March Weather27°C (80°F)411 mm (16.2 inches)90%extreme
April Weather27°C (81°F)387 mm (15.2 inches)92%extreme
May Weather27°C (81°F)238 mm (9.4 inches)89%extreme
June Weather27°C (81°F)102 mm (4.0 inches)79%extreme
July Weather27°C (81°F)67 mm (2.6 inches)64%extreme
August Weather28°C (82°F)25 mm (1.0 inches)55%extreme
September Weather28°C (83°F)19 mm (0.7 inches)51%extreme
October Weather28°C (83°F)23 mm (0.9 inches)53%extreme
November Weather28°C (83°F)63 mm (2.5 inches)60%extreme
December Weather28°C (83°F)95 mm (3.8 inches)78%extreme

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