December Weather in Barcelos, Brazil

Last updated: August 22, 2025

In Barcelos, Brazil, the average temperature in December hovers around 26°C (80°F), with minimums dipping to 23°C (73°F) and maximums soaring to 34°C (93°F). Expect 257 mm (10.1 in) of precipitation spread over 25 days, contributing to an average humidity of 79%. Perfect for those who thrive in a warm and slightly damp climate!

December Temperature in Barcelos

In December in Barcelos, the average temperature is 26°C (80°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop to as low as 23°C (73°F). This mild climate makes Barcelos an ideal destination for travelers seeking warm weather and enjoyable outdoor activities.

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

The chart illustrates December temperature patterns in Barcelos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barcelos, December typically has an average temperature of 26°C (80°F), with highs reaching up to 34°C (93°F) and lows dropping to around 23°C (73°F).

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

December Precipitation in Barcelos

In Barcelos in December, the precipitation amount is 257 mm (10.1 in) over the course of 25 days.

December Precipitation Trends in Barcelos

The chart displays monthly precipitation patterns in Barcelos, 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 Barcelos, December typically receives around 257 mm (10.1 inches) of precipitation spread over approximately 25 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 Barcelos

In Barcelos in December, humidity is 79%. With an average temperature of 26°C (80°F), this humidity feels like an enveloping warm blanket, making travel feel slightly sluggish and prompting frequent hydration breaks to stay comfortable while exploring the sights.

December Average Humidity in Barcelos

This chart illustrates the average monthly humidity levels in Barcelos, 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 Barcelos is approximately 79%, 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 Barcelos

In Barcelos 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 Barcelos.

Maximum UV Index Levels in Barcelos for December

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

Data source: Barcelos 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 Barcelos Compares to Other Months

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

This table compares monthly weather conditions in Barcelos, 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)	183 mm (7.2 inches)	71%	extreme
February Weather	27°C (81°F)	120 mm (4.7 inches)	52%	extreme
March Weather	27°C (80°F)	266 mm (10.5 inches)	52%	extreme
April Weather	26°C (79°F)	353 mm (13.9 inches)	71%	extreme
May Weather	26°C (79°F)	430 mm (16.9 inches)	88%	extreme
June Weather	26°C (79°F)	258 mm (10.2 inches)	86%	extreme
July Weather	26°C (79°F)	219 mm (8.6 inches)	77%	extreme
August Weather	27°C (81°F)	132 mm (5.2 inches)	65%	extreme
September Weather	27°C (81°F)	197 mm (7.8 inches)	53%	extreme
October Weather	27°C (81°F)	172 mm (6.8 inches)	32%	extreme
November Weather	27°C (81°F)	243 mm (9.5 inches)	43%	extreme
December Weather	26°C (80°F)	257 mm (10.1 inches)	79%	extreme