December Weather in Porteirinha, Brazil

Last updated: August 22, 2025

In December, the average temperature in Porteirinha, Brazil hovers around 25°C (78°F), making it a pleasant time to visit. However, be prepared for a range, as temperatures can dip to a minimum of 17°C (63°F) and soar to a maximum of 36°C (97°F). With 160 mm (6.3 in) of precipitation spread over 14 days, it's wise to pack an umbrella. Average humidity levels are around 51%, ensuring a comfortable atmosphere throughout your stay.

December Temperature in Porteirinha

In December in Porteirinha, the average temperature is 25°C (78°F), with maximums reaching 36°C (97°F) and minimums dropping to as low as 17°C (63°F). This pleasant climate makes Porteirinha an ideal destination for travelers looking to enjoy warm weather activities during this time.

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

The chart illustrates December temperature patterns in Porteirinha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Porteirinha, December typically has an average temperature of 25°C (78°F), with highs reaching up to 36°C (97°F) and lows dropping to around 17°C (63°F).

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

December Precipitation in Porteirinha

In Porteirinha in December, the total precipitation amount is 160 mm (6.3 in) spread over 14 days.

December Precipitation Trends in Porteirinha

The chart displays monthly precipitation patterns in Porteirinha, 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 Porteirinha, December typically receives around 160 mm (6.3 inches) of precipitation spread over approximately 14 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 Porteirinha

In Porteirinha in December, humidity is 51%. With an average temperature of 25°C (78°F), this humidity feels like a warm embrace, making it perfect for leisurely strolls, yet travelers should stay hydrated to fully enjoy the vibrant sights without feeling sluggish.

December Average Humidity in Porteirinha

This chart illustrates the average monthly humidity levels in Porteirinha, 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 Porteirinha is approximately 51%, 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 Porteirinha

In Porteirinha 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 Porteirinha.

Maximum UV Index Levels in Porteirinha for December

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

Data source: Porteirinha 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 Porteirinha Compares to Other Months

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

This table compares monthly weather conditions in Porteirinha, 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 (80°F)	47 mm (1.9 inches)	75%	extreme
February Weather	25°C (78°F)	118 mm (4.7 inches)	83%	extreme
March Weather	26°C (78°F)	77 mm (3.0 inches)	88%	extreme
April Weather	25°C (77°F)	37 mm (1.4 inches)	81%	extreme
May Weather	23°C (74°F)	7 mm (0.3 inches)	72%	extreme
June Weather	23°C (73°F)	1 mm (0.0 inches)	71%	very high
July Weather	21°C (71°F)	1 mm (0.1 inches)	66%	very high
August Weather	23°C (74°F)	1 mm (0.0 inches)	61%	extreme
September Weather	26°C (78°F)	3 mm (0.1 inches)	54%	extreme
October Weather	27°C (81°F)	45 mm (1.8 inches)	46%	extreme
November Weather	25°C (78°F)	128 mm (5.0 inches)	42%	extreme
December Weather	25°C (78°F)	160 mm (6.3 inches)	51%	extreme