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December Weather in Arraias, Brazil

Last updated: August 22, 2025

In December, the average temperature in Arraias, Brazil hovers around 25°C (77°F). You can expect minimums of 19°C (66°F) and some peak days reaching up to 34°C (94°F). With an average humidity of 56%, it's a comfortable time of year, though be prepared for occasional rain, as 299 mm (11.8 in) of precipitation typically falls over 23 days.

December Temperature in Arraias

In December in Arraias, the average temperature is 25°C (77°F). Maximums can reach 34°C (94°F), and minimums can be as low as 19°C (66°F). This pleasant climate makes Arraias an ideal destination for travelers seeking comfortable weather.

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

The chart illustrates December temperature patterns in Arraias, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arraias, December typically has an average temperature of 25°C (77°F), with highs reaching up to 34°C (94°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec777677777675747881827777
Data source: Temperature data for Arraias 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 Arraias

In Arraias in December, the precipitation amount is 299 mm (11.8 in) over a period of 23 days.

December Precipitation Trends in Arraias

The chart displays monthly precipitation patterns in Arraias, 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 Arraias, December typically receives around 299 mm (11.8 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec18932925815612004292252299
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Arraias

In Arraias in December humidity is 56%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace, making traveling somewhat sticky but still enjoyable, as long as you stay hydrated and take breaks in the shade.

December Average Humidity in Arraias

This chart illustrates the average monthly humidity levels in Arraias, 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 Arraias is approximately 56%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%89%91%84%67%54%48%44%37%29%35%56%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Arraias

In Arraias 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 Arraias.

Maximum UV Index Levels in Arraias for December

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

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

This table compares monthly weather conditions in Arraias, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)189 mm (7.4 inches)84%extreme
February Weather24°C (76°F)329 mm (13.0 inches)89%extreme
March Weather25°C (77°F)258 mm (10.2 inches)91%extreme
April Weather25°C (77°F)156 mm (6.1 inches)84%extreme
May Weather25°C (76°F)12 mm (0.5 inches)67%extreme
June Weather24°C (75°F)0 mm (0.0 inches)54%very high
July Weather23°C (74°F)0 mm (0.0 inches)48%very high
August Weather25°C (78°F)4 mm (0.2 inches)44%extreme
September Weather27°C (82°F)2 mm (0.1 inches)37%extreme
October Weather28°C (82°F)92 mm (3.6 inches)29%extreme
November Weather25°C (77°F)252 mm (9.9 inches)35%extreme
December Weather25°C (77°F)299 mm (11.8 inches)56%extreme

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