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December Weather in Sao Miguel, Brazil

Last updated: August 22, 2025

In December, the average temperature in Sao Miguel, Brazil reaches a warm 27°C (81°F), with a pleasant minimum of 25°C (77°F) and a maximum of 29°C (85°F). Expect 46 mm (1.8 in) of precipitation spread over 17 days, contributing to an average humidity of 76%. Perfect for those who enjoy a tropical climate!

December Temperature in Sao Miguel

In December in Sao Miguel, the average temperature is 27°C (81°F). The maximum can reach 29°C (85°F), while the minimum can be as low as 25°C (77°F). This pleasant weather makes Sao Miguel an ideal destination for travelers seeking warmth and sunshine.

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

The chart illustrates December temperature patterns in Sao Miguel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Miguel, December typically has an average temperature of 27°C (81°F), with highs reaching up to 29°C (85°F) and lows dropping to around 25°C (77°F).
JanFebMarAprMayJunJulAugSepOctNovDec818181818079777778798081
Data source: Temperature data for Sao Miguel 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 Miguel

In Sao Miguel in December, the precipitation amount is 46 mm (1.8 in) spread over 17 days.

December Precipitation Trends in Sao Miguel

The chart displays monthly precipitation patterns in Sao Miguel, 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 Miguel, December typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec721211892091841651956345363046
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sao Miguel

In Sao Miguel in December, humidity is 76%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket enveloping you, making outdoor activities feel stifling and sweat-inducing, which can be challenging for traveling.

December Average Humidity in Sao Miguel

This chart illustrates the average monthly humidity levels in Sao Miguel, 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 Miguel is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%86%85%87%82%75%73%71%70%71%76%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sao Miguel

In Sao Miguel 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 Sao Miguel, you can check here.

Maximum UV Index Levels in Sao Miguel for December

The chart shows the monthly maximum UV Index (UVI) for Sao Miguel 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 Miguel typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141415141311111213131414
Data source: Sao Miguel 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 Miguel Compares to Other Months

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

This table compares monthly weather conditions in Sao Miguel, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)72 mm (2.8 inches)84%extreme
February Weather27°C (81°F)121 mm (4.8 inches)85%extreme
March Weather27°C (81°F)189 mm (7.4 inches)86%extreme
April Weather27°C (81°F)209 mm (8.2 inches)85%extreme
May Weather27°C (80°F)184 mm (7.2 inches)86%extreme
June Weather26°C (79°F)165 mm (6.5 inches)82%extreme
July Weather25°C (78°F)195 mm (7.7 inches)75%extreme
August Weather25°C (78°F)63 mm (2.5 inches)73%extreme
September Weather26°C (78°F)45 mm (1.8 inches)71%extreme
October Weather26°C (80°F)36 mm (1.4 inches)70%extreme
November Weather27°C (81°F)30 mm (1.2 inches)71%extreme
December Weather27°C (81°F)46 mm (1.8 inches)76%extreme

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