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December Weather in Palmas, Brazil

Last updated: August 22, 2025

In Palmas, Brazil, the average temperature in December is a pleasant 26°C (79°F). Expect a minimum of 21°C (69°F) and the highs reaching up to 35°C (95°F). During this period, you'll experience approximately 307 mm (12.1 in) of precipitation over 24 days, accompanied by an average humidity of 71%. Prepare for a warm and somewhat wet month!

December Temperature in Palmas

In December in Palmas, the average temperature is 26°C (79°F), with maximums reaching up to 35°C (95°F) and minimums dipping as low as 21°C (69°F). This makes it an ideal time for travelers who enjoy warm weather and outdoor activities.

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

The chart illustrates December temperature patterns in Palmas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Palmas, December typically has an average temperature of 26°C (79°F), with highs reaching up to 35°C (95°F) and lows dropping to around 21°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec787878798079788285827979
Data source: Temperature data for Palmas 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 Palmas

In Palmas in December, the total precipitation amount is 307 mm (12.1 in) spread over a duration of 24 days.

December Precipitation Trends in Palmas

The chart displays monthly precipitation patterns in Palmas, 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 Palmas, December typically receives around 307 mm (12.1 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec2704093181972512110108281307
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Palmas

In Palmas in December, humidity is 71%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket wrapping around you, making travel somewhat stifling but offering a tropical ambiance that can be both invigorating and exhausting at the same time.

December Average Humidity in Palmas

This chart illustrates the average monthly humidity levels in Palmas, 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 Palmas is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%91%88%76%62%54%44%35%28%45%71%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Palmas

In Palmas 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 Palmas.

Maximum UV Index Levels in Palmas for December

The chart shows the monthly maximum UV Index (UVI) for Palmas 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 Palmas typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161515141210101213141515
Data source: Palmas 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 Palmas Compares to Other Months

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

This table compares monthly weather conditions in Palmas, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)270 mm (10.6 inches)88%extreme
February Weather25°C (78°F)409 mm (16.1 inches)89%extreme
March Weather26°C (79°F)318 mm (12.5 inches)91%extreme
April Weather26°C (80°F)197 mm (7.8 inches)88%extreme
May Weather27°C (80°F)25 mm (1.0 inches)75%extreme
June Weather26°C (79°F)1 mm (0.0 inches)62%very high
July Weather26°C (79°F)1 mm (0.1 inches)54%very high
August Weather28°C (82°F)1 mm (0.0 inches)44%extreme
September Weather29°C (85°F)10 mm (0.4 inches)35%extreme
October Weather28°C (83°F)108 mm (4.3 inches)28%extreme
November Weather26°C (80°F)281 mm (11.1 inches)45%extreme
December Weather26°C (79°F)307 mm (12.1 inches)71%extreme

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