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December Weather in Ribeiropolis, Brazil

Last updated: August 22, 2025

In Ribeiropolis, Brazil, the average temperature in December hovers around 27°C (81°F). You'll experience a comfortable range with minimums of 20°C (69°F) and maximums reaching up to 37°C (99°F). Expect some light rain with a total precipitation of 33 mm (1.3 in) spread over 8 days. The air will feel pleasantly humid, with an average humidity level of 61%.

December Temperature in Ribeiropolis

In December in Ribeiropolis, the average temperature is 27°C (81°F). Maximum temperatures can reach 37°C (99°F), while minimums can dip as low as 20°C (69°F). Travelers should prepare for warm days and comfortably mild evenings, making it an ideal time for outdoor activities.

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

The chart illustrates December temperature patterns in Ribeiropolis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ribeiropolis, December typically has an average temperature of 27°C (81°F), with highs reaching up to 37°C (99°F) and lows dropping to around 20°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec818281807775737375798081
Data source: Temperature data for Ribeiropolis 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 Ribeiropolis

In Ribeiropolis in December, the precipitation amount is 33 mm (1.3 in) during a span of 8 days.

December Precipitation Trends in Ribeiropolis

The chart displays monthly precipitation patterns in Ribeiropolis, 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 Ribeiropolis, December typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec253395626669734442243733
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ribeiropolis

In Ribeiropolis in December, humidity is 61%. With an average temperature of 27°C (81°F), this humidity feels like a warm, sticky embrace that can make traveling feel slightly sluggish, requiring frequent breaks and plenty of hydration to stay comfortable.

December Average Humidity in Ribeiropolis

This chart illustrates the average monthly humidity levels in Ribeiropolis, 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 Ribeiropolis is approximately 61%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%84%89%91%89%87%80%75%70%66%61%61%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ribeiropolis

In Ribeiropolis 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 Ribeiropolis, you can check here.

Maximum UV Index Levels in Ribeiropolis for December

The chart shows the monthly maximum UV Index (UVI) for Ribeiropolis 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 Ribeiropolis typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141414141210101213141514
Data source: Ribeiropolis 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 Ribeiropolis Compares to Other Months

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

This table compares monthly weather conditions in Ribeiropolis, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)25 mm (1.0 inches)76%extreme
February Weather28°C (82°F)33 mm (1.3 inches)84%extreme
March Weather27°C (81°F)95 mm (3.7 inches)89%extreme
April Weather26°C (80°F)62 mm (2.4 inches)91%extreme
May Weather25°C (77°F)66 mm (2.6 inches)89%extreme
June Weather24°C (75°F)69 mm (2.7 inches)87%very high
July Weather23°C (73°F)73 mm (2.9 inches)80%very high
August Weather23°C (74°F)44 mm (1.7 inches)75%extreme
September Weather24°C (76°F)42 mm (1.7 inches)70%extreme
October Weather26°C (79°F)24 mm (0.9 inches)66%extreme
November Weather27°C (80°F)37 mm (1.4 inches)61%extreme
December Weather27°C (81°F)33 mm (1.3 inches)61%extreme

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