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December Weather in Ribeirao Bonito, Brazil

Last updated: August 22, 2025

In December, the average temperature in Ribeirao Bonito, Brazil hovers around 25°C (77°F). While you might experience a pleasant minimum of 15°C (59°F), be prepared for a potential peak at 36°C (96°F). With 148 mm (5.8 in) of precipitation spread over 18 days, it's important to keep an umbrella handy. The air tends to be quite humid, with an average humidity level of 83%, making for a warm and inviting atmosphere.

December Temperature in Ribeirao Bonito

In December in Ribeirao Bonito, the average temperature is 25°C (77°F). Maximums can reach 36°C (96°F), while minimums can drop to as low as 15°C (59°F). This pleasant climate makes Ribeirao Bonito an ideal destination for travelers seeking warm weather and outdoor activities.

December Weather in Ribeirao Bonito: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Ribeirao Bonito, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ribeirao Bonito, December typically has an average temperature of 25°C (77°F), with highs reaching up to 36°C (96°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec777677746968676976767577
Data source: Temperature data for Ribeirao Bonito 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 Ribeirao Bonito

In Ribeirao Bonito in December, the total precipitation amount is 148 mm (5.8 in), occurring over the course of 18 days.

December Precipitation Trends in Ribeirao Bonito

The chart displays monthly precipitation patterns in Ribeirao Bonito, 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 Ribeirao Bonito, December typically receives around 148 mm (5.8 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec164139914336119293095124148
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ribeirao Bonito

In Ribeirao Bonito in December humidity is 83%. With an average temperature of 25°C (77°F), this humidity feels like a warm, enveloping blanket, making it essential for travelers to stay hydrated and seek shade to enjoy their adventures comfortably.

December Average Humidity in Ribeirao Bonito

This chart illustrates the average monthly humidity levels in Ribeirao Bonito, 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 Ribeirao Bonito is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%86%82%76%71%68%59%54%50%74%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ribeirao Bonito

In Ribeirao Bonito 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 Ribeirao Bonito.

Maximum UV Index Levels in Ribeirao Bonito for December

The chart shows the monthly maximum UV Index (UVI) for Ribeirao Bonito 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 Ribeirao Bonito typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151613118781011131416
Data source: Ribeirao Bonito 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 Ribeirao Bonito Compares to Other Months

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

This table compares monthly weather conditions in Ribeirao Bonito, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)164 mm (6.4 inches)88%extreme
February Weather25°C (77°F)139 mm (5.5 inches)87%extreme
March Weather25°C (77°F)91 mm (3.6 inches)86%extreme
April Weather23°C (74°F)43 mm (1.7 inches)82%extreme
May Weather20°C (69°F)36 mm (1.4 inches)76%very high
June Weather20°C (69°F)11 mm (0.4 inches)71%high
July Weather19°C (67°F)9 mm (0.3 inches)67%very high
August Weather21°C (69°F)29 mm (1.1 inches)59%very high
September Weather25°C (76°F)30 mm (1.2 inches)54%extreme
October Weather25°C (76°F)95 mm (3.7 inches)50%extreme
November Weather24°C (76°F)124 mm (4.9 inches)74%extreme
December Weather25°C (77°F)148 mm (5.8 inches)83%extreme

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