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December Weather in Riolandia, Brazil

Last updated: August 22, 2025

In Riolandia, Brazil, the average temperature in December is a warm 26°C (79°F). Temperatures can range from a comfortable 18°C (65°F) to a scorching 37°C (99°F). Expect a notable 168 mm (6.6 in) of precipitation spread over 19 days, contributing to an average humidity of 80%. Be prepared for a tropical experience!

December Temperature in Riolandia

In December in Riolandia, the average temperature is 26°C (79°F), with maximums reaching up to 37°C (99°F) and minimums dropping as low as 18°C (65°F). This climate makes Riolandia an ideal destination for travelers seeking warm weather and pleasant outdoor activities.

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

The chart illustrates December temperature patterns in Riolandia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Riolandia, December typically has an average temperature of 26°C (79°F), with highs reaching up to 37°C (99°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec797979777373717581817979
Data source: Temperature data for Riolandia 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 Riolandia

In Riolandia in December, the total precipitation amounts to 168 mm (6.6 in) over a span of 19 days.

December Precipitation Trends in Riolandia

The chart displays monthly precipitation patterns in Riolandia, 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 Riolandia, December typically receives around 168 mm (6.6 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec147176120532532131977152168
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Riolandia

In Riolandia in December humidity is 80%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket, making outdoor activities feel sticky and exhausting, potentially dampening the travel experience and necessitating frequent breaks to cool down and hydrate.

December Average Humidity in Riolandia

This chart illustrates the average monthly humidity levels in Riolandia, 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 Riolandia 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 Riolandia

In Riolandia 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 Riolandia.

Maximum UV Index Levels in Riolandia for December

The chart shows the monthly maximum UV Index (UVI) for Riolandia 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 Riolandia typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151613119781112141416
Data source: Riolandia 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 Riolandia Compares to Other Months

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

This table compares monthly weather conditions in Riolandia, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)147 mm (5.8 inches)85%extreme
February Weather26°C (79°F)176 mm (6.9 inches)87%extreme
March Weather26°C (79°F)120 mm (4.7 inches)86%extreme
April Weather25°C (77°F)53 mm (2.1 inches)79%extreme
May Weather23°C (73°F)25 mm (1.0 inches)68%very high
June Weather23°C (73°F)3 mm (0.1 inches)60%high
July Weather22°C (71°F)2 mm (0.1 inches)57%very high
August Weather24°C (75°F)13 mm (0.5 inches)48%extreme
September Weather27°C (81°F)19 mm (0.7 inches)41%extreme
October Weather27°C (81°F)77 mm (3.0 inches)35%extreme
November Weather26°C (80°F)152 mm (6.0 inches)65%extreme
December Weather26°C (79°F)168 mm (6.6 inches)80%extreme

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