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December Weather in Rio Novo, Brazil

Last updated: August 22, 2025

In December, the average temperature in Rio Novo, Brazil is a pleasant 23°C (74°F). Expect a range from a refreshing 14°C (58°F) to a warm 34°C (94°F). With an average humidity of 68%, it’s a month to enjoy the mild temperatures despite the 268 mm (10.6 in) of precipitation spread over 22 days.

December Temperature in Rio Novo

In December in Rio Novo, the average temperature is 23°C (74°F). The maximum can reach 34°C (94°F), and the minimum can be as low as 14°C (58°F). This pleasant climate makes Rio Novo an ideal destination for outdoor activities and exploration during this time of year.

December Weather in Rio Novo: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Rio Novo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Novo, December typically has an average temperature of 23°C (74°F), with highs reaching up to 34°C (94°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec767475716766646570717173
Data source: Temperature data for Rio Novo 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 Rio Novo

In Rio Novo in December, the precipitation amount is 268 mm (10.6 in) over a period of 22 days.

December Precipitation Trends in Rio Novo

The chart displays monthly precipitation patterns in Rio Novo, 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 Rio Novo, December typically receives around 268 mm (10.6 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec145251229774718143444153227269
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rio Novo

In Rio Novo in December, humidity is 68%. With an average temperature of 23°C (74°F), this humidity feels like a warm embrace, making traveling quite uncomfortable if you're not prepared. The air is thick and muggy, leaving you yearning for a cool breeze and frequent breaks in the shade.

December Average Humidity in Rio Novo

This chart illustrates the average monthly humidity levels in Rio Novo, 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 Rio Novo is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%85%88%86%82%82%77%72%63%48%61%68%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Rio Novo

In Rio Novo 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 Rio Novo.

Maximum UV Index Levels in Rio Novo for December

The chart shows the monthly maximum UV Index (UVI) for Rio Novo 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 Rio Novo typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec171513118781012131416
Data source: Rio Novo 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 Rio Novo Compares to Other Months

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

This table compares monthly weather conditions in Rio Novo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)145 mm (5.7 inches)83%extreme
February Weather24°C (75°F)251 mm (9.9 inches)85%extreme
March Weather24°C (75°F)229 mm (9.0 inches)87%extreme
April Weather22°C (71°F)77 mm (3.0 inches)86%extreme
May Weather20°C (67°F)47 mm (1.8 inches)82%very high
June Weather19°C (66°F)18 mm (0.7 inches)82%high
July Weather18°C (64°F)14 mm (0.5 inches)77%very high
August Weather18°C (65°F)34 mm (1.3 inches)72%very high
September Weather21°C (71°F)44 mm (1.7 inches)63%extreme
October Weather22°C (72°F)153 mm (6.0 inches)48%extreme
November Weather22°C (71°F)227 mm (8.9 inches)61%extreme
December Weather23°C (74°F)268 mm (10.6 inches)68%extreme

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