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December Weather in Alvorada, Brazil

Last updated: August 22, 2025

In Alvorada, Brazil, the average temperature in December hovers around 26°C (80°F), providing a warm and inviting climate. Expect minimums of 21°C (70°F) and maximums peaking at 37°C (99°F). However, be prepared for some rain, as precipitation averages 272 mm (10.7 in) over 22 days. With an average humidity of 71%, the air adds a touch of mugginess to the warm days.

December Temperature in Alvorada

In December in Alvorada, the average temperature is 26°C (80°F), with maximums reaching up to 37°C (99°F) and minimums dropping as low as 21°C (70°F). It’s an ideal time to explore outdoor activities while staying hydrated and protected from the sun.

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

The chart illustrates December temperature patterns in Alvorada, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alvorada, December typically has an average temperature of 26°C (80°F), with highs reaching up to 37°C (99°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec807979808079788286848079
Data source: Temperature data for Alvorada 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 Alvorada

In Alvorada in December, the total precipitation amount is 272 mm (10.7 in) spread over 22 days, indicating a significant level of rainfall during that period.

December Precipitation Trends in Alvorada

The chart displays monthly precipitation patterns in Alvorada, 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 Alvorada, December typically receives around 272 mm (10.7 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec168268208996001459201272
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Alvorada

In Alvorada in December, humidity is 71%. With an average temperature of 26°C (80°F), this humidity feels like a warm embrace that clings to your skin, making outdoor activities somewhat stifling and prompting frequent breaks in the shade to stay refreshed.

December Average Humidity in Alvorada

This chart illustrates the average monthly humidity levels in Alvorada, 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 Alvorada is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%90%90%85%69%59%51%41%33%25%46%71%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Alvorada

In Alvorada 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 Alvorada.

Maximum UV Index Levels in Alvorada for December

The chart shows the monthly maximum UV Index (UVI) for Alvorada 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 Alvorada typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151413119101213151515
Data source: Alvorada 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 Alvorada Compares to Other Months

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

This table compares monthly weather conditions in Alvorada, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)168 mm (6.6 inches)87%extreme
February Weather26°C (79°F)268 mm (10.6 inches)90%extreme
March Weather26°C (79°F)208 mm (8.2 inches)90%extreme
April Weather27°C (80°F)99 mm (3.9 inches)85%extreme
May Weather27°C (80°F)6 mm (0.3 inches)69%extreme
June Weather26°C (79°F)0 mm (0.0 inches)59%very high
July Weather25°C (78°F)0 mm (0.0 inches)51%very high
August Weather28°C (82°F)1 mm (0.0 inches)41%extreme
September Weather30°C (86°F)4 mm (0.2 inches)33%extreme
October Weather29°C (84°F)59 mm (2.3 inches)25%extreme
November Weather27°C (80°F)201 mm (7.9 inches)46%extreme
December Weather26°C (80°F)272 mm (10.7 inches)71%extreme

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