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December Weather in Arara, Brazil

Last updated: August 22, 2025

In December, the average temperature in Arara, Brazil is a pleasant 25°C (78°F). Visitors can expect a minimum of 18°C (66°F) and a maximum of 33°C (91°F) during this time. With an average humidity of 70%, the weather is typically quite comfortable. However, be prepared for some rain with an average precipitation of 34 mm (1.3 in) over 14 days.

December Temperature in Arara

In December in Arara, the average temperature is 25°C (78°F). Maximums can reach 33°C (91°F), while minimums can drop to as low as 18°C (66°F). This pleasant climate makes Arara an ideal destination for outdoor activities and exploration during this time of year.

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

The chart illustrates December temperature patterns in Arara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arara, December typically has an average temperature of 25°C (78°F), with highs reaching up to 33°C (91°F) and lows dropping to around 18°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec777877777574727374767778
Data source: Temperature data for Arara 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 Arara

In Arara in December, the precipitation amount is 34 mm (1.3 in) over a span of 14 days.

December Precipitation Trends in Arara

The chart displays monthly precipitation patterns in Arara, 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 Arara, December typically receives around 34 mm (1.3 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec44951201029545623029262434
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Arara

In Arara in December humidity is 70%. With an average temperature of 25°C (78°F), this humidity feels like a warm embrace, making traveling feel both sultry and invigorating as the air wraps around you, encouraging slower-paced exploration amidst the vibrant surroundings.

December Average Humidity in Arara

This chart illustrates the average monthly humidity levels in Arara, 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 Arara is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%89%90%89%90%86%80%77%72%68%66%70%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Arara

In Arara in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Arara, you can check here.

Maximum UV Index Levels in Arara for December

The chart shows the monthly maximum UV Index (UVI) for Arara 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 Arara typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141415141211111213131414
Data source: Arara 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 Arara Compares to Other Months

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

This table compares monthly weather conditions in Arara, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)44 mm (1.7 inches)86%extreme
February Weather25°C (78°F)95 mm (3.7 inches)89%extreme
March Weather25°C (78°F)120 mm (4.7 inches)89%extreme
April Weather25°C (77°F)102 mm (4.0 inches)89%extreme
May Weather24°C (75°F)95 mm (3.8 inches)90%extreme
June Weather23°C (74°F)45 mm (1.8 inches)86%extreme
July Weather22°C (73°F)62 mm (2.4 inches)80%extreme
August Weather23°C (73°F)30 mm (1.2 inches)77%extreme
September Weather23°C (74°F)29 mm (1.1 inches)72%extreme
October Weather24°C (76°F)26 mm (1.0 inches)68%extreme
November Weather25°C (78°F)24 mm (0.9 inches)66%extreme
December Weather25°C (78°F)34 mm (1.3 inches)70%extreme

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