December Weather in Nilopolis, Brazil

Last updated: August 22, 2025

In December, the average temperature in Nilopolis, Brazil hovers around 25°C (78°F). Temperatures can range from a cool 16°C (61°F) to a sweltering 36°C (97°F). Expect about 185 mm (7.3 in) of precipitation over 20 days, accompanied by an average humidity of 75%.

December Temperature in Nilopolis

In December in Nilopolis, the average temperature is 25°C (78°F). Maximums can reach 36°C (97°F), and minimums can be as low as 16°C (61°F). This pleasant climate makes Nilopolis an ideal destination for travelers seeking warmth and outdoor activities.

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

The chart illustrates December temperature patterns in Nilopolis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nilopolis, December typically has an average temperature of 25°C (78°F), with highs reaching up to 36°C (97°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec817979757170686973757477
Data source: Temperature data for Nilopolis 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 Nilopolis

In Nilopolis in December, the total precipitation amount is 185 mm (7.3 in) over a span of 20 days.

December Precipitation Trends in Nilopolis

The chart displays monthly precipitation patterns in Nilopolis, 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 Nilopolis, December typically receives around 185 mm (7.3 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec162202162766133265053103175185
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Nilopolis

In Nilopolis in December, humidity is 75%. With an average temperature of 25°C (78°F), this humidity feels like a warm blanket enveloping you, making travel feel sticky and heavy, but also vibrant and alive, as the air is saturated with the scents of the surroundings and the energy of the environment.

December Average Humidity in Nilopolis

This chart illustrates the average monthly humidity levels in Nilopolis, 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 Nilopolis is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%86%83%81%80%76%73%68%61%72%75%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Nilopolis

In Nilopolis in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Nilopolis.

Maximum UV Index Levels in Nilopolis for December

The chart shows the monthly maximum UV Index (UVI) for Nilopolis 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 Nilopolis typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141210767911121315
Data source: Nilopolis 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 Nilopolis Compares to Other Months

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

This table compares monthly weather conditions in Nilopolis, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)162 mm (6.4 inches)85%extreme
February Weather26°C (79°F)202 mm (7.9 inches)85%extreme
March Weather26°C (79°F)162 mm (6.4 inches)86%extreme
April Weather24°C (75°F)76 mm (3.0 inches)83%very high
May Weather22°C (71°F)61 mm (2.4 inches)81%high
June Weather21°C (70°F)33 mm (1.3 inches)80%high
July Weather20°C (68°F)26 mm (1.0 inches)76%high
August Weather20°C (69°F)50 mm (2.0 inches)73%very high
September Weather23°C (74°F)53 mm (2.1 inches)68%extreme
October Weather24°C (75°F)103 mm (4.0 inches)61%extreme
November Weather24°C (75°F)175 mm (6.9 inches)72%extreme
December Weather25°C (78°F)185 mm (7.3 inches)75%extreme

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