December Weather in Portelandia, Brazil

Last updated: August 22, 2025

In December, the average temperature in Portelandia, Brazil is a pleasant 24°C (76°F). Expect minimum temperatures to dip to 17°C (64°F), while highs can soar up to 35°C (95°F). Be prepared for some rain, as 189 mm (7.4 in) of precipitation is expected over 23 days, contributing to an average humidity of 82%.

December Temperature in Portelandia

In December in Portelandia, the average temperature is 24°C (76°F), with maximums reaching up to 35°C (95°F) and minimums dipping as low as 17°C (64°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy the outdoor attractions.

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

The chart illustrates December temperature patterns in Portelandia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portelandia, December typically has an average temperature of 24°C (76°F), with highs reaching up to 35°C (95°F) and lows dropping to around 17°C (64°F).

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

December Precipitation in Portelandia

In Portelandia in December, the total precipitation amount reaches 189 mm (7.4 in) over a span of 23 days.

December Precipitation Trends in Portelandia

The chart displays monthly precipitation patterns in Portelandia, 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 Portelandia, December typically receives around 189 mm (7.4 inches) of precipitation spread over approximately 23 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 Portelandia

In Portelandia in December, humidity is 82%. With an average temperature of 24°C (76°F), this humidity feels like wearing a warm, damp blanket, making travel uncomfortable and sticky as you explore.

December Average Humidity in Portelandia

This chart illustrates the average monthly humidity levels in Portelandia, 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 Portelandia is approximately 82%, 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 Portelandia

In Portelandia in December, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Portelandia.

Maximum UV Index Levels in Portelandia for December

The chart shows the monthly maximum UV Index (UVI) for Portelandia 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 Portelandia typically reaches 16, which falls under the extreme exposure category.

Data source: Portelandia 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 Portelandia Compares to Other Months

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

This table compares monthly weather conditions in Portelandia, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	186 mm (7.3 inches)	87%	extreme
February Weather	24°C (75°F)	211 mm (8.3 inches)	88%	extreme
March Weather	24°C (76°F)	172 mm (6.8 inches)	88%	extreme
April Weather	24°C (75°F)	75 mm (3.0 inches)	82%	extreme
May Weather	22°C (72°F)	22 mm (0.8 inches)	64%	very high
June Weather	22°C (71°F)	2 mm (0.1 inches)	45%	very high
July Weather	21°C (70°F)	0 mm (0.0 inches)	37%	very high
August Weather	24°C (75°F)	4 mm (0.1 inches)	31%	extreme
September Weather	27°C (80°F)	19 mm (0.7 inches)	25%	extreme
October Weather	26°C (79°F)	109 mm (4.3 inches)	22%	extreme
November Weather	24°C (76°F)	220 mm (8.7 inches)	58%	extreme
December Weather	24°C (76°F)	189 mm (7.4 inches)	82%	extreme