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December Weather in Oros, Brazil

Last updated: August 22, 2025

In Oros, Brazil, the average temperature in December hovers around 30°C (87°F), making for a warm climate. Expect minimum temperatures of 23°C (73°F) and maximum highs reaching 39°C (102°F). During this month, precipitation averages 27 mm (1.1 in) over the course of 3 days, with an average humidity level of 59%. Prepare for a mix of warmth and occasional showers!

December Temperature in Oros

In December in Oros, the average temperature is 30°C (87°F). Maximums can reach 39°C (102°F), while minimums can drop as low as 23°C (73°F). It's an ideal time to enjoy outdoor activities and experience the vibrant culture of the area, but don't forget to stay hydrated and protect yourself from the heat.

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

The chart illustrates December temperature patterns in Oros, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oros, December typically has an average temperature of 30°C (87°F), with highs reaching up to 39°C (102°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec848281818182828486878786
Data source: Temperature data for Oros 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 Oros

In Oros in December, the total precipitation amount is 27 mm (1.1 in) over the course of 3 days.

December Precipitation Trends in Oros

The chart displays monthly precipitation patterns in Oros, 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 Oros, December typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec56177155141421326112627
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Oros

In Oros in December, humidity is 59%. With an average temperature of 30°C (87°F), this humidity feels like a warm embrace, making travel slightly sticky but still manageable, as long as you stay hydrated and take breaks in the shade.

December Average Humidity in Oros

This chart illustrates the average monthly humidity levels in Oros, 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 Oros is approximately 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%91%92%92%89%80%70%65%59%53%49%59%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Oros

In Oros 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 Oros, you can check here.

Maximum UV Index Levels in Oros for December

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

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

This table compares monthly weather conditions in Oros, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather29°C (84°F)56 mm (2.2 inches)88%extreme
February Weather28°C (83°F)177 mm (7.0 inches)91%extreme
March Weather27°C (82°F)155 mm (6.1 inches)92%extreme
April Weather27°C (81°F)141 mm (5.6 inches)92%extreme
May Weather27°C (81°F)42 mm (1.7 inches)89%extreme
June Weather28°C (82°F)13 mm (0.5 inches)80%extreme
July Weather28°C (82°F)26 mm (1.0 inches)70%extreme
August Weather29°C (84°F)1 mm (0.0 inches)65%extreme
September Weather30°C (86°F)1 mm (0.0 inches)59%extreme
October Weather31°C (87°F)2 mm (0.1 inches)53%extreme
November Weather31°C (88°F)6 mm (0.2 inches)49%extreme
December Weather30°C (87°F)27 mm (1.1 inches)59%extreme

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