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December Weather in Altania, Brazil

Last updated: August 22, 2025

In December, the average temperature in Altania, Brazil is a warm 26°C (80°F), with a comfortable minimum of 18°C (64°F) and a peak reaching 36°C (97°F). Expect some lively weather, as precipitation averages around 162 mm (6.4 in) over 13 days, and the average humidity hovers at a sticky 84%.

December Temperature in Altania

In December in Altania, the average temperature is 26°C (80°F). Maximums can reach 36°C (97°F), and minimums can drop as low as 18°C (64°F). This warm climate makes Altania an ideal destination for travelers seeking sunny weather and outdoor adventures.

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

The chart illustrates December temperature patterns in Altania, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Altania, December typically has an average temperature of 26°C (80°F), with highs reaching up to 36°C (97°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec808079757067666875777880
Data source: Temperature data for Altania 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 Altania

In Altania in December, the precipitation amount is 162 mm (6.4 in) spread over 13 days.

December Precipitation Trends in Altania

The chart displays monthly precipitation patterns in Altania, 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 Altania, December typically receives around 162 mm (6.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec14512611051107100211114815781162
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Altania

In Altania in December, humidity is 84%. With an average temperature of 26°C (80°F), this humidity feels like a warm blanket enveloping you, making travel feel sticky and intense, often leaving you longing for a cool breeze or a shaded spot to escape the heat.

December Average Humidity in Altania

This chart illustrates the average monthly humidity levels in Altania, 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 Altania is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%82%76%67%61%52%42%42%43%68%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Altania

In Altania 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 Altania.

Maximum UV Index Levels in Altania for December

The chart shows the monthly maximum UV Index (UVI) for Altania 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 Altania typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141311867911131415
Data source: Altania 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 Altania Compares to Other Months

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

This table compares monthly weather conditions in Altania, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)145 mm (5.7 inches)85%extreme
February Weather27°C (80°F)126 mm (4.9 inches)83%extreme
March Weather26°C (79°F)110 mm (4.3 inches)82%extreme
April Weather24°C (75°F)51 mm (2.0 inches)76%extreme
May Weather21°C (70°F)107 mm (4.2 inches)67%very high
June Weather19°C (67°F)100 mm (3.9 inches)61%high
July Weather19°C (66°F)21 mm (0.8 inches)52%high
August Weather20°C (68°F)111 mm (4.4 inches)42%very high
September Weather24°C (76°F)48 mm (1.9 inches)42%extreme
October Weather25°C (77°F)157 mm (6.2 inches)43%extreme
November Weather26°C (79°F)81 mm (3.2 inches)68%extreme
December Weather26°C (80°F)162 mm (6.4 inches)84%extreme

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