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December Weather in Piranhas, Brazil

Last updated: August 22, 2025

In Piranhas, Brazil, the average temperature in December hovers around 26°C (78°F). Expect a comfortable minimum of 19°C (67°F) and occasional highs reaching 38°C (100°F). While you enjoy the warmth, be prepared for a precipitation amount of 199 mm (7.8 in) spread over 21 days, contributing to an average humidity of 84%.

December Temperature in Piranhas

In December in Piranhas, the average temperature is 26°C (78°F). Maximums can reach 38°C (100°F), while minimums can drop to as low as 19°C (67°F). It's a perfect time to enjoy outdoor activities and explore the local attractions!

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

The chart illustrates December temperature patterns in Piranhas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Piranhas, December typically has an average temperature of 26°C (78°F), with highs reaching up to 38°C (100°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec787778787574737882827978
Data source: Temperature data for Piranhas 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 Piranhas

In Piranhas in December, the precipitation amount is 199 mm (7.8 in) over the course of 21 days.

December Precipitation Trends in Piranhas

The chart displays monthly precipitation patterns in Piranhas, 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 Piranhas, December typically receives around 199 mm (7.8 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec153174143448101665156199
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Piranhas

In Piranhas in December, humidity is 84%. With an average temperature of 26°C (78°F), this humidity feels like walking through a warm, moist blanket, making outdoor activities feel heavy and exhausting for travelers.

December Average Humidity in Piranhas

This chart illustrates the average monthly humidity levels in Piranhas, 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 Piranhas is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%89%89%83%68%60%53%43%33%29%61%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Piranhas

In Piranhas 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 Piranhas.

Maximum UV Index Levels in Piranhas for December

The chart shows the monthly maximum UV Index (UVI) for Piranhas 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 Piranhas typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1516141210891112151516
Data source: Piranhas 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 Piranhas Compares to Other Months

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

This table compares monthly weather conditions in Piranhas, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)152 mm (6.0 inches)87%extreme
February Weather25°C (78°F)174 mm (6.8 inches)89%extreme
March Weather25°C (78°F)143 mm (5.6 inches)89%extreme
April Weather25°C (78°F)44 mm (1.7 inches)83%extreme
May Weather24°C (75°F)8 mm (0.3 inches)68%very high
June Weather24°C (75°F)1 mm (0.0 inches)60%very high
July Weather23°C (73°F)0 mm (0.0 inches)53%very high
August Weather26°C (78°F)1 mm (0.1 inches)43%extreme
September Weather28°C (83°F)6 mm (0.2 inches)33%extreme
October Weather28°C (82°F)65 mm (2.6 inches)28%extreme
November Weather26°C (79°F)156 mm (6.2 inches)61%extreme
December Weather26°C (78°F)199 mm (7.8 inches)84%extreme

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