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December Weather in Guariba, Brazil

Last updated: August 22, 2025

In December, the average temperature in Guariba, Brazil is a comfortable 25°C (77°F), with a range that can dip to a cool 16°C (60°F) or climb to a warm 35°C (95°F). Expect 191 mm (7.5 in) of precipitation over approximately 19 days, contributing to an average humidity of 80%.

December Temperature in Guariba

In December in Guariba, the average temperature is 25°C (77°F). Maximum can reach 35°C (95°F) and minimum can be as low as 16°C (60°F). This pleasant climate makes Guariba an ideal destination for travelers seeking a comfortable and enjoyable getaway.

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

The chart illustrates December temperature patterns in Guariba, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guariba, December typically has an average temperature of 25°C (77°F), with highs reaching up to 35°C (95°F) and lows dropping to around 16°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec777777747070687178787677
Data source: Temperature data for Guariba 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 Guariba

In Guariba in December, the precipitation amount is 191 mm (7.5 in) over the course of 19 days.

December Precipitation Trends in Guariba

The chart displays monthly precipitation patterns in Guariba, 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 Guariba, December typically receives around 191 mm (7.5 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec17814910860278112226118168191
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Guariba

In Guariba in December humidity is 80%. With an average temperature of 25°C (77°F), this humidity feels like traveling through a warm, tropical rainforest where the air is thick and steamy, making even the simplest stroll feel like a workout.

December Average Humidity in Guariba

This chart illustrates the average monthly humidity levels in Guariba, 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 Guariba is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%87%86%79%68%60%57%48%41%35%65%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Guariba

In Guariba 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 Guariba.

Maximum UV Index Levels in Guariba for December

The chart shows the monthly maximum UV Index (UVI) for Guariba 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 Guariba typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161613118781012141416
Data source: Guariba 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 Guariba Compares to Other Months

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

This table compares monthly weather conditions in Guariba, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)178 mm (7.0 inches)85%extreme
February Weather25°C (77°F)149 mm (5.8 inches)87%extreme
March Weather25°C (77°F)108 mm (4.3 inches)86%extreme
April Weather23°C (74°F)60 mm (2.4 inches)79%extreme
May Weather21°C (70°F)27 mm (1.1 inches)68%very high
June Weather21°C (70°F)8 mm (0.3 inches)60%high
July Weather20°C (68°F)11 mm (0.4 inches)57%very high
August Weather22°C (71°F)22 mm (0.9 inches)48%very high
September Weather25°C (78°F)26 mm (1.0 inches)41%extreme
October Weather25°C (78°F)117 mm (4.6 inches)35%extreme
November Weather25°C (77°F)168 mm (6.6 inches)65%extreme
December Weather25°C (77°F)191 mm (7.5 inches)80%extreme

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