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December Weather in Macaiba, Brazil

Last updated: August 22, 2025

In December, the average temperature in Macaiba, Brazil is a warm 27°C (81°F), making it a delightful time to explore. Expect temperatures to range from a minimum of 24°C (76°F) to a maximum of 29°C (85°F). However, be prepared for some rain, as 54 mm (2.1 in) of precipitation can be expected over 20 days, contributing to an average humidity of 76%. Enjoy the climate while planning your activities!

December Temperature in Macaiba

In December in Macaiba, the average temperature is 27°C (81°F). Maximum temperatures can reach 29°C (85°F), while minimums can drop to as low as 24°C (76°F). This pleasant climate makes it an ideal destination for travelers looking to enjoy warm weather and outdoor activities.

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

The chart illustrates December temperature patterns in Macaiba, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Macaiba, 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 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec808180807978777778798081
Data source: Temperature data for Macaiba 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 Macaiba

In Macaiba in December, the precipitation amount is 54 mm (2.1 in) accumulated over the course of 20 days.

December Precipitation Trends in Macaiba

The chart displays monthly precipitation patterns in Macaiba, 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 Macaiba, December typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec691321871971671451795544393854
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Macaiba

In Macaiba 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 Macaiba

This chart illustrates the average monthly humidity levels in Macaiba, 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 Macaiba 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 Macaiba

In Macaiba 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 Macaiba, you can check here.

Maximum UV Index Levels in Macaiba for December

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

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

This table compares monthly weather conditions in Macaiba, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)69 mm (2.7 inches)84%extreme
February Weather27°C (81°F)132 mm (5.2 inches)85%extreme
March Weather27°C (81°F)187 mm (7.4 inches)86%extreme
April Weather27°C (80°F)197 mm (7.7 inches)85%extreme
May Weather26°C (80°F)167 mm (6.6 inches)86%extreme
June Weather26°C (79°F)145 mm (5.7 inches)82%extreme
July Weather25°C (77°F)179 mm (7.0 inches)75%extreme
August Weather25°C (77°F)55 mm (2.2 inches)73%extreme
September Weather25°C (78°F)44 mm (1.7 inches)71%extreme
October Weather26°C (79°F)39 mm (1.5 inches)70%extreme
November Weather27°C (80°F)38 mm (1.5 inches)71%extreme
December Weather27°C (81°F)54 mm (2.1 inches)76%extreme

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