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December Weather in Barra Velha, Brazil

Last updated: August 22, 2025

In December, the average temperature in Barra Velha, Brazil is a pleasant 24°C (75°F). You can expect temperatures to range from a minimum of 17°C (62°F) to a maximum of 30°C (87°F). However, don’t forget your umbrella; with 158 mm (6.2 in) of rain expected over 19 days, the weather can be quite unpredictable! The average humidity also hovers around a balmy 88%, adding to the tropical feel of the month.

December Temperature in Barra Velha

In December in Barra Velha, the average temperature is 24°C (75°F). Maximums can reach 30°C (87°F), and minimums can be as low as 17°C (62°F). This pleasant climate makes it an ideal destination for travelers seeking enjoyable weather.

December Weather in Barra Velha: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Barra Velha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barra Velha, December typically has an average temperature of 24°C (75°F), with highs reaching up to 30°C (87°F) and lows dropping to around 17°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec777776726865626366697175
Data source: Temperature data for Barra Velha generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Barra Velha

In Barra Velha in December, the total precipitation amount is 158 mm (6.2 in) over the course of 19 days.

December Precipitation Trends in Barra Velha

The chart displays monthly precipitation patterns in Barra Velha, 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 Barra Velha, December typically receives around 158 mm (6.2 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec173177151921141284265106137107159
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Barra Velha

In Barra Velha in December, humidity is 88%. With an average temperature of 24°C (75°F), this humidity feels like a warm blanket enveloping you, making it crucial to stay hydrated while exploring the sights.

December Average Humidity in Barra Velha

This chart illustrates the average monthly humidity levels in Barra Velha, 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 Barra Velha is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%83%85%85%86%85%80%79%82%82%86%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Barra Velha

In Barra Velha 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 Barra Velha.

Maximum UV Index Levels in Barra Velha for December

The chart shows the monthly maximum UV Index (UVI) for Barra Velha 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 Barra Velha typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141210755810121415
Data source: Barra Velha 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 Barra Velha Compares to Other Months

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

This table compares monthly weather conditions in Barra Velha, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)173 mm (6.8 inches)86%extreme
February Weather25°C (77°F)177 mm (7.0 inches)83%extreme
March Weather24°C (76°F)151 mm (6.0 inches)85%extreme
April Weather22°C (72°F)92 mm (3.6 inches)85%very high
May Weather20°C (68°F)114 mm (4.5 inches)86%high
June Weather18°C (65°F)128 mm (5.1 inches)85%moderate
July Weather17°C (62°F)42 mm (1.7 inches)80%moderate
August Weather17°C (63°F)65 mm (2.6 inches)79%very high
September Weather19°C (67°F)106 mm (4.2 inches)82%very high
October Weather21°C (69°F)137 mm (5.4 inches)82%extreme
November Weather22°C (71°F)107 mm (4.2 inches)86%extreme
December Weather24°C (75°F)158 mm (6.2 inches)88%extreme

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