December Weather in Pirai, Brazil

Last updated: August 22, 2025

In December, the average temperature in Pirai, Brazil hovers around 24°C (75°F). Expect a range where the minimum dips to 15°C (59°F) and the maximum soars to 35°C (94°F). Be prepared for 236 mm (9.3 in) of precipitation spread over 24 days, contributing to an average humidity of 75%.

December Temperature in Pirai

In December in Pirai, the average temperature is 24°C (75°F). Maximum temperatures can reach 35°C (94°F), while minimum temperatures can drop to as low as 15°C (59°F). This comfortable climate makes Pirai an ideal destination for travelers seeking pleasant weather and outdoor activities.

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

The chart illustrates December temperature patterns in Pirai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pirai, December typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (94°F) and lows dropping to around 15°C (59°F).

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

December Precipitation in Pirai

In Pirai in December, the precipitation amount is 236 mm (9.3 in) over a span of 24 days.

December Precipitation Trends in Pirai

The chart displays monthly precipitation patterns in Pirai, 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 Pirai, December typically receives around 236 mm (9.3 inches) of precipitation spread over approximately 24 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 Pirai

In Pirai in December humidity is 75%. With average temperature 24°C (75°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities feel especially stifling and leaving you yearning for cool breezes and refreshingly cold drinks.

December Average Humidity in Pirai

This chart illustrates the average monthly humidity levels in Pirai, 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 Pirai is approximately 75%, 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 Pirai

In Pirai in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Pirai.

Maximum UV Index Levels in Pirai for December

The chart shows the monthly maximum UV Index (UVI) for Pirai 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 Pirai typically reaches 15, which falls under the extreme exposure category.

Data source: Pirai 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 Pirai Compares to Other Months

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

This table compares monthly weather conditions in Pirai, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (78°F)	245 mm (9.6 inches)	85%	extreme
February Weather	24°C (76°F)	246 mm (9.7 inches)	85%	extreme
March Weather	24°C (76°F)	223 mm (8.8 inches)	86%	extreme
April Weather	22°C (73°F)	103 mm (4.1 inches)	83%	extreme
May Weather	20°C (69°F)	75 mm (3.0 inches)	81%	very high
June Weather	20°C (68°F)	40 mm (1.6 inches)	80%	high
July Weather	19°C (66°F)	31 mm (1.2 inches)	76%	high
August Weather	19°C (67°F)	64 mm (2.5 inches)	73%	very high
September Weather	22°C (71°F)	63 mm (2.5 inches)	68%	extreme
October Weather	22°C (73°F)	134 mm (5.3 inches)	61%	extreme
November Weather	22°C (72°F)	190 mm (7.5 inches)	72%	extreme
December Weather	24°C (75°F)	236 mm (9.3 inches)	75%	extreme