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December Weather in Arari, Brazil

Last updated: August 22, 2025

In Arari, Brazil, the average temperature in December reaches a warm 28°C (83°F). However, temperatures can vary significantly, with a minimum of 23°C (74°F) and a scorching maximum of 39°C (103°F). During this month, expect about 106 mm (4.2 in) of precipitation spread over 19 days, contributing to an average humidity of 78%. Stay hydrated and enjoy the warmth!

December Temperature in Arari

In December in Arari, the average temperature is 28°C (83°F). Maximum temperatures can reach 39°C (103°F) while minimum temperatures can drop to as low as 23°C (74°F). Travelers should be prepared for warm and occasionally hot weather during this time.

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

The chart illustrates December temperature patterns in Arari, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arari, December typically has an average temperature of 28°C (83°F), with highs reaching up to 39°C (103°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec818180818282828385858483
Data source: Temperature data for Arari 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 Arari

In Arari in December, the precipitation amount is 106 mm (4.2 in) over the course of 19 days.

December Precipitation Trends in Arari

The chart displays monthly precipitation patterns in Arari, 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 Arari, December typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec24134443739415453401392887106
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Arari

In Arari in December, humidity is 78%. With an average temperature of 28°C (83°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities perspire more quickly and requiring frequent breaks in the shade for comfort.

December Average Humidity in Arari

This chart illustrates the average monthly humidity levels in Arari, 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 Arari 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 Arari

In Arari 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 Arari.

Maximum UV Index Levels in Arari for December

The chart shows the monthly maximum UV Index (UVI) for Arari 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 Arari typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151416151311111313131313
Data source: Arari 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 Arari Compares to Other Months

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

This table compares monthly weather conditions in Arari, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)241 mm (9.5 inches)89%extreme
February Weather27°C (81°F)344 mm (13.5 inches)90%extreme
March Weather27°C (81°F)437 mm (17.2 inches)90%extreme
April Weather27°C (81°F)394 mm (15.5 inches)92%extreme
May Weather28°C (82°F)154 mm (6.1 inches)89%extreme
June Weather28°C (82°F)53 mm (2.1 inches)79%extreme
July Weather28°C (82°F)40 mm (1.6 inches)64%extreme
August Weather28°C (83°F)13 mm (0.5 inches)55%extreme
September Weather29°C (85°F)9 mm (0.4 inches)51%extreme
October Weather29°C (85°F)28 mm (1.1 inches)53%extreme
November Weather29°C (84°F)86 mm (3.4 inches)60%extreme
December Weather28°C (83°F)106 mm (4.2 inches)78%extreme

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