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December Weather in Alcantara, Brazil

Last updated: August 22, 2025

In Alcantara, Brazil, the average temperature in December hovers around 28°C (82°F). Expect a minimum of 23°C (74°F) and a peak at 32°C (90°F), making it a warm time of year. With an average precipitation of 95 mm (3.7 in) over 22 days, it's advisable to prepare for some rain. Additionally, the average humidity sits at a comfortable 78%, contributing to the area's tropical feel.

December Temperature in Alcantara

In December in Alcantara, the average temperature is 28°C (82°F). Maximum temperatures can reach up to 32°C (90°F), while minimums can drop to as low as 23°C (74°F). This mild and warm climate makes it an ideal time for travelers to explore and enjoy outdoor activities in Alcantara.

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

The chart illustrates December temperature patterns in Alcantara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alcantara, December typically has an average temperature of 28°C (82°F), with highs reaching up to 32°C (90°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec808079808181818182828282
Data source: Temperature data for Alcantara 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 Alcantara

In Alcantara in December, the precipitation amount is 95 mm (3.7 in) spread over 22 days.

December Precipitation Trends in Alcantara

The chart displays monthly precipitation patterns in Alcantara, 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 Alcantara, December typically receives around 95 mm (3.7 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec187382450436280136933420235895
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Alcantara

In Alcantara in December humidity is 78%. With an average temperature of 28°C (82°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel more exhausting and overwhelming, potentially leading to a slower pace while exploring.

December Average Humidity in Alcantara

This chart illustrates the average monthly humidity levels in Alcantara, 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 Alcantara is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%90%92%89%79%64%55%51%53%60%78%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Alcantara

In Alcantara 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 Alcantara.

Maximum UV Index Levels in Alcantara for December

The chart shows the monthly maximum UV Index (UVI) for Alcantara 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 Alcantara typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141416151312111313131313
Data source: Alcantara 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 Alcantara Compares to Other Months

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

This table compares monthly weather conditions in Alcantara, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)187 mm (7.4 inches)89%extreme
February Weather26°C (80°F)382 mm (15.0 inches)90%extreme
March Weather26°C (80°F)450 mm (17.7 inches)90%extreme
April Weather27°C (80°F)436 mm (17.2 inches)92%extreme
May Weather27°C (81°F)280 mm (11.0 inches)89%extreme
June Weather27°C (81°F)136 mm (5.4 inches)79%extreme
July Weather27°C (81°F)93 mm (3.7 inches)64%extreme
August Weather27°C (82°F)34 mm (1.3 inches)55%extreme
September Weather28°C (82°F)20 mm (0.8 inches)51%extreme
October Weather28°C (82°F)23 mm (0.9 inches)53%extreme
November Weather28°C (82°F)58 mm (2.3 inches)60%extreme
December Weather28°C (82°F)95 mm (3.7 inches)78%extreme

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