December Weather in Barras, Brazil

Last updated: August 22, 2025

In December, the average temperature in Barras, Brazil hovers around 30°C (86°F), making for warm days. Temperatures can dip as low as 23°C (73°F) and soar to a maximum of 39°C (103°F). Expect about 70 mm (2.8 in) of rainfall over 8 days, with an average humidity level of 67%, adding a touch of tropical flair to the warm weather.

December Temperature in Barras

In December in Barras, the average temperature is 30°C (86°F). Maximums can reach 39°C (103°F), and minimums can be as low as 23°C (73°F). Pack lightweight clothing and stay hydrated to enjoy your travels comfortably in the warm weather.

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

The chart illustrates December temperature patterns in Barras, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barras, December typically has an average temperature of 30°C (86°F), with highs reaching up to 39°C (103°F) and lows dropping to around 23°C (73°F).

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

December Precipitation in Barras

In Barras in December, the total precipitation amount is 70 mm (2.8 in), spread over the course of 8 days.

December Precipitation Trends in Barras

The chart displays monthly precipitation patterns in Barras, 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 Barras, December typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 8 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 Barras

In Barras in December humidity is 67%. With an average temperature of 30°C (86°F), this humidity feels like a warm blanket enveloping you, making outdoor activities a bit sticky and challenging but still manageable with frequent breaks for hydration and shade.

December Average Humidity in Barras

This chart illustrates the average monthly humidity levels in Barras, 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 Barras 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 Barras

In Barras 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 Barras.

Maximum UV Index Levels in Barras for December

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

Data source: Barras 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 Barras Compares to Other Months

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

This table compares monthly weather conditions in Barras, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	28°C (82°F)	196 mm (7.7 inches)	90%	extreme
February Weather	27°C (81°F)	389 mm (15.3 inches)	91%	extreme
March Weather	27°C (80°F)	452 mm (17.8 inches)	93%	extreme
April Weather	27°C (81°F)	325 mm (12.8 inches)	93%	extreme
May Weather	27°C (82°F)	130 mm (5.1 inches)	88%	extreme
June Weather	28°C (83°F)	16 mm (0.6 inches)	75%	extreme
July Weather	28°C (84°F)	15 mm (0.6 inches)	55%	extreme
August Weather	29°C (85°F)	2 mm (0.1 inches)	46%	extreme
September Weather	31°C (87°F)	1 mm (0.1 inches)	41%	extreme
October Weather	31°C (88°F)	7 mm (0.3 inches)	38%	extreme
November Weather	31°C (87°F)	29 mm (1.1 inches)	43%	extreme
December Weather	30°C (86°F)	70 mm (2.8 inches)	67%	extreme