December Weather in Macapa, Brazil

Last updated: August 22, 2025

In Macapa, Brazil, the average temperature in December is a warm 27°C (81°F), with minimums dipping to 23°C (74°F) and highs reaching up to 34°C (93°F). Expect substantial rainfall, with 223 mm (8.8 in) of precipitation over 28 days, and enjoy the tropical atmosphere with an average humidity of 72%.

December Temperature in Macapa

In December in Macapa, the average temperature is 27°C (81°F). Maximums can reach up to 34°C (93°F), while minimums can drop to as low as 23°C (74°F). It's a great time to visit for warm weather and plenty of sunshine!

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

The chart illustrates December temperature patterns in Macapa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Macapa, December typically has an average temperature of 27°C (81°F), with highs reaching up to 34°C (93°F) and lows dropping to around 23°C (74°F).

Data source: Temperature data for Macapa generated using information from the Copernicus Climate Change Service.

December Precipitation in Macapa

In Macapa, in December, the precipitation amount is 223 mm (8.8 in) spread over 28 days.

December Precipitation Trends in Macapa

The chart displays monthly precipitation patterns in Macapa, 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 Macapa, December typically receives around 223 mm (8.8 inches) of precipitation spread over approximately 28 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Macapa

In Macapa in December humidity is 72%. With an average temperature of 27°C (81°F), this humidity feels like walking through a warm, damp blanket, making travel a bit uncomfortable as you navigate through the thick, sticky air.

December Average Humidity in Macapa

This chart illustrates the average monthly humidity levels in Macapa, 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 Macapa is approximately 72%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Macapa

In Macapa 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 Macapa.

Maximum UV Index Levels in Macapa for December

The chart shows the monthly maximum UV Index (UVI) for Macapa 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 Macapa typically reaches 13, which falls under the extreme exposure category.

Data source: Macapa 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 Macapa Compares to Other Months

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

This table compares monthly weather conditions in Macapa, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	267 mm (10.5 inches)	82%	extreme
February Weather	26°C (79°F)	371 mm (14.6 inches)	66%	extreme
March Weather	26°C (79°F)	348 mm (13.7 inches)	61%	extreme
April Weather	26°C (80°F)	463 mm (18.2 inches)	73%	extreme
May Weather	27°C (80°F)	424 mm (16.7 inches)	87%	extreme
June Weather	27°C (81°F)	249 mm (9.8 inches)	86%	extreme
July Weather	27°C (81°F)	185 mm (7.3 inches)	71%	extreme
August Weather	28°C (83°F)	84 mm (3.3 inches)	58%	extreme
September Weather	29°C (84°F)	41 mm (1.6 inches)	54%	extreme
October Weather	29°C (84°F)	24 mm (0.9 inches)	54%	extreme
November Weather	28°C (83°F)	101 mm (4.0 inches)	56%	extreme
December Weather	27°C (81°F)	223 mm (8.8 inches)	72%	extreme