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December Weather in Pires do Rio, Brazil

Last updated: August 22, 2025

In December, the average temperature in Pires do Rio, Brazil is a comfortable 24°C (75°F). Expect minimums as low as 17°C (63°F) and highs reaching up to 33°C (92°F). With an average humidity of 76%, you may also encounter some rain, as 201 mm (7.9 in) typically falls over 21 days.

December Temperature in Pires do Rio

In December in Pires do Rio, the average temperature is 24°C (75°F). Maximums can reach 33°C (92°F) and minimums can be as low as 17°C (63°F). This pleasant climate makes it an ideal time for traveling and exploring the beauty of Pires do Rio.

December Weather in Pires do Rio: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Pires do Rio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pires do Rio, December typically has an average temperature of 24°C (75°F), with highs reaching up to 33°C (92°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec757575747170687378787575
Data source: Temperature data for Pires do Rio 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 Pires do Rio

In Pires do Rio in December, the precipitation amount is 201 mm (7.9 in) spread across 21 days.

December Precipitation Trends in Pires do Rio

The chart displays monthly precipitation patterns in Pires do Rio, 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 Pires do Rio, December typically receives around 201 mm (7.9 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec134225122721810214102187201
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Pires do Rio

In Pires do Rio in December, humidity is 76%. With an average temperature of 24°C (75°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities feel a bit sluggish and urging you to seek shade and hydration.

December Average Humidity in Pires do Rio

This chart illustrates the average monthly humidity levels in Pires do Rio, 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 Pires do Rio is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%89%89%80%67%63%56%47%36%28%58%76%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Pires do Rio

In Pires do Rio in December, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Pires do Rio.

Maximum UV Index Levels in Pires do Rio for December

The chart shows the monthly maximum UV Index (UVI) for Pires do Rio 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 Pires do Rio typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1616141310891112151516
Data source: Pires do Rio 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 Pires do Rio Compares to Other Months

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

This table compares monthly weather conditions in Pires do Rio, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)134 mm (5.3 inches)85%extreme
February Weather24°C (75°F)225 mm (8.9 inches)89%extreme
March Weather24°C (75°F)122 mm (4.8 inches)89%extreme
April Weather23°C (74°F)72 mm (2.8 inches)80%extreme
May Weather22°C (71°F)18 mm (0.7 inches)67%very high
June Weather21°C (70°F)1 mm (0.0 inches)62%very high
July Weather20°C (68°F)0 mm (0.0 inches)56%very high
August Weather23°C (73°F)2 mm (0.1 inches)47%extreme
September Weather25°C (78°F)13 mm (0.5 inches)36%extreme
October Weather26°C (79°F)102 mm (4.0 inches)28%extreme
November Weather24°C (75°F)187 mm (7.4 inches)58%extreme
December Weather24°C (75°F)201 mm (7.9 inches)76%extreme

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