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December Weather in Simoes, Brazil

Last updated: August 22, 2025

In Simoes, Brazil, the average temperature in December is a warm 27°C (82°F). Expect minimums of 19°C (67°F) and maximums reaching 37°C (99°F). With an average humidity of 67%, the air can feel quite tropical. Be prepared for some moisture, as precipitation averages 52 mm (2.1 in) spread over 8 days throughout the month.

December Temperature in Simoes

In December in Simoes, the average temperature is 27°C (82°F), with maximums reaching as high as 37°C (99°F) and minimums dipping to around 19°C (67°F). This makes it a great time for traveling, as you can enjoy warm days and comfortably cool evenings.

December Weather in Simoes: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Simoes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Simoes, December typically has an average temperature of 27°C (82°F), with highs reaching up to 37°C (99°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec807878787877767881848381
Data source: Temperature data for Simoes 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 Simoes

In Simoes in December, the total precipitation amount is 52 mm (2.1 in) over the course of 8 days.

December Precipitation Trends in Simoes

The chart displays monthly precipitation patterns in Simoes, 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 Simoes, December typically receives around 52 mm (2.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec7519817211121431073552
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Simoes

In Simoes in December, humidity is 67%. With an average temperature of 27°C (82°F), this humidity feels like a warm, sticky embrace that can make exploring outdoors a bit draining. It's essential to stay hydrated and take breaks in shaded areas while you soak in the sights.

December Average Humidity in Simoes

This chart illustrates the average monthly humidity levels in Simoes, 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 Simoes is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%91%93%92%87%77%66%58%51%45%41%67%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Simoes

In Simoes 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 Simoes, you can check here.

Maximum UV Index Levels in Simoes for December

The chart shows the monthly maximum UV Index (UVI) for Simoes 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 Simoes typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151415151211111214141514
Data source: Simoes 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 Simoes Compares to Other Months

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

This table compares monthly weather conditions in Simoes, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)74 mm (2.9 inches)90%extreme
February Weather26°C (79°F)198 mm (7.8 inches)91%extreme
March Weather25°C (78°F)172 mm (6.8 inches)93%extreme
April Weather25°C (78°F)111 mm (4.4 inches)92%extreme
May Weather26°C (78°F)21 mm (0.8 inches)87%extreme
June Weather25°C (77°F)4 mm (0.2 inches)77%extreme
July Weather25°C (77°F)3 mm (0.1 inches)66%extreme
August Weather26°C (79°F)0 mm (0.0 inches)58%extreme
September Weather27°C (81°F)0 mm (0.0 inches)51%extreme
October Weather29°C (84°F)7 mm (0.3 inches)45%extreme
November Weather28°C (83°F)35 mm (1.4 inches)41%extreme
December Weather27°C (82°F)52 mm (2.1 inches)67%extreme

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