December Weather in Pedro II, Brazil

Last updated: August 22, 2025

In Pedro II, Brazil, the average temperature in December is a warm 29°C (85°F), with minimums dipping to 22°C (72°F) and soaring to a maximum of 38°C (101°F). Expect about 52 mm (2.1 in) of precipitation over 6 days, with an average humidity level of 67%. Stay cool and hydrated!

December Temperature in Pedro II

In December in Pedro II, the average temperature is 29°C (85°F), with maximums reaching up to 38°C (101°F) and minimums dropping as low as 22°C (72°F). This warm climate makes it an ideal destination for sun-seekers and outdoor enthusiasts looking to enjoy various activities.

December Weather in Pedro II: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Pedro II, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pedro II, December typically has an average temperature of 29°C (85°F), with highs reaching up to 38°C (101°F) and lows dropping to around 22°C (72°F).

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

December Precipitation in Pedro II

In Pedro II in December, the precipitation amount is 52 mm (2.1 in) over the course of 6 days.

December Precipitation Trends in Pedro II

The chart displays monthly precipitation patterns in Pedro II, 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 Pedro II, December typically receives around 52 mm (2.1 inches) of precipitation spread over approximately 6 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 Pedro II

In Pedro II in December, humidity is 67%. With an average temperature of 29°C (85°F), this humidity feels like a warm embrace, making travel feel sticky and heavy while adding a layer of intensity to every step.

December Average Humidity in Pedro II

This chart illustrates the average monthly humidity levels in Pedro II, 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 Pedro II is approximately 67%, 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 Pedro II

In Pedro II 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 Pedro II, you can check here.

Maximum UV Index Levels in Pedro II for December

The chart shows the monthly maximum UV Index (UVI) for Pedro II 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 Pedro II typically reaches 14, which falls under the extreme exposure category.

Data source: Pedro II 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 Pedro II Compares to Other Months

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

This table compares monthly weather conditions in Pedro II, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (82°F)	120 mm (4.7 inches)	90%	extreme
February Weather	27°C (80°F)	318 mm (12.5 inches)	91%	extreme
March Weather	26°C (79°F)	343 mm (13.5 inches)	93%	extreme
April Weather	26°C (79°F)	197 mm (7.7 inches)	93%	extreme
May Weather	27°C (80°F)	58 mm (2.3 inches)	88%	extreme
June Weather	27°C (81°F)	7 mm (0.3 inches)	75%	extreme
July Weather	27°C (82°F)	11 mm (0.4 inches)	55%	extreme
August Weather	29°C (84°F)	1 mm (0.0 inches)	46%	extreme
September Weather	30°C (86°F)	1 mm (0.0 inches)	41%	extreme
October Weather	30°C (87°F)	6 mm (0.2 inches)	38%	extreme
November Weather	30°C (86°F)	44 mm (1.7 inches)	43%	extreme
December Weather	29°C (85°F)	52 mm (2.1 inches)	67%	extreme