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December Weather in Baiao, Brazil

Last updated: August 22, 2025

In Baiao, Brazil, the average temperature in December reaches a warm 28°C (82°F), with daily fluctuations ranging from a minimum of 23°C (73°F) to a maximum of 37°C (100°F). However, be prepared for rainy days, as the area sees about 206 mm (8.1 in) of precipitation over 25 days. With an average humidity of 79%, the air can feel quite tropical, creating a unique climate experience.

December Temperature in Baiao

In December in Baiao, the average temperature is 28°C (82°F). Maximums can reach 37°C (100°F), while minimums can be as low as 23°C (73°F). Travelers should prepare for warm weather and pack accordingly.

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

The chart illustrates December temperature patterns in Baiao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Baiao, December typically has an average temperature of 28°C (82°F), with highs reaching up to 37°C (100°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec808080808182828484848382
Data source: Temperature data for Baiao 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 Baiao

In Baiao in December, the precipitation amount is 206 mm (8.1 in) distributed over a span of 25 days.

December Precipitation Trends in Baiao

The chart displays monthly precipitation patterns in Baiao, 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 Baiao, December typically receives around 206 mm (8.1 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec2983044122991777458303735131206
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Baiao

In Baiao in December humidity is 79%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration more strenuous and requiring frequent breaks for hydration.

December Average Humidity in Baiao

This chart illustrates the average monthly humidity levels in Baiao, 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 Baiao is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%84%82%90%91%84%74%61%56%55%56%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Baiao

In Baiao 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 Baiao.

Maximum UV Index Levels in Baiao for December

The chart shows the monthly maximum UV Index (UVI) for Baiao 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 Baiao typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141516151311111213131313
Data source: Baiao 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 Baiao Compares to Other Months

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

This table compares monthly weather conditions in Baiao, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)298 mm (11.7 inches)91%extreme
February Weather27°C (80°F)304 mm (12.0 inches)84%extreme
March Weather27°C (80°F)412 mm (16.2 inches)82%extreme
April Weather27°C (81°F)299 mm (11.8 inches)90%extreme
May Weather27°C (81°F)177 mm (7.0 inches)91%extreme
June Weather28°C (82°F)73 mm (2.9 inches)84%extreme
July Weather28°C (82°F)58 mm (2.3 inches)74%extreme
August Weather29°C (84°F)30 mm (1.2 inches)60%extreme
September Weather29°C (84°F)37 mm (1.5 inches)56%extreme
October Weather29°C (84°F)35 mm (1.4 inches)55%extreme
November Weather29°C (84°F)131 mm (5.2 inches)56%extreme
December Weather28°C (82°F)206 mm (8.1 inches)79%extreme

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