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December Weather in Iguaba Grande, Brazil

Last updated: August 22, 2025

In December, the average temperature in Iguaba Grande, Brazil is a pleasant 25°C (77°F). Expect a comfortable range, with minimums dipping to 18°C (65°F) and maximums reaching up to 31°C (89°F). Be prepared for some wet days, as 181 mm (7.1 in) of precipitation can be expected over 17 days, accompanied by an average humidity of 81%.

December Temperature in Iguaba Grande

In December in Iguaba Grande, the average temperature is 25°C (77°F). Maximums can reach 31°C (89°F), and minimums can be as low as 18°C (65°F). This pleasant climate makes Iguaba Grande an ideal destination for travelers seeking warmth and comfort during their visit.

December Weather in Iguaba Grande: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Iguaba Grande, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iguaba Grande, December typically has an average temperature of 25°C (77°F), with highs reaching up to 31°C (89°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec797879767372707073747477
Data source: Temperature data for Iguaba Grande 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 Iguaba Grande

In Iguaba Grande in December, the precipitation amount is 181 mm (7.1 in) over a span of 17 days.

December Precipitation Trends in Iguaba Grande

The chart displays monthly precipitation patterns in Iguaba Grande, 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 Iguaba Grande, December typically receives around 181 mm (7.1 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec102156172807243326861107192181
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Iguaba Grande

In Iguaba Grande in December, humidity is 81%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, thick blanket, making traveling quite challenging as you may feel sticky and sluggish, requiring frequent breaks to stay refreshed and hydrated.

December Average Humidity in Iguaba Grande

This chart illustrates the average monthly humidity levels in Iguaba Grande, 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 Iguaba Grande is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%84%82%80%78%77%75%76%74%79%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Iguaba Grande

In Iguaba Grande 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 Iguaba Grande.

Maximum UV Index Levels in Iguaba Grande for December

The chart shows the monthly maximum UV Index (UVI) for Iguaba Grande 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 Iguaba Grande typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16141311867911131415
Data source: Iguaba Grande 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 Iguaba Grande Compares to Other Months

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

This table compares monthly weather conditions in Iguaba Grande, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)102 mm (4.0 inches)85%extreme
February Weather26°C (79°F)156 mm (6.1 inches)86%extreme
March Weather26°C (79°F)172 mm (6.8 inches)84%extreme
April Weather24°C (76°F)80 mm (3.1 inches)82%extreme
May Weather23°C (73°F)72 mm (2.9 inches)80%very high
June Weather22°C (72°F)43 mm (1.7 inches)78%high
July Weather21°C (70°F)32 mm (1.3 inches)77%high
August Weather21°C (70°F)68 mm (2.7 inches)75%very high
September Weather23°C (73°F)61 mm (2.4 inches)75%extreme
October Weather23°C (74°F)107 mm (4.2 inches)74%extreme
November Weather23°C (74°F)192 mm (7.6 inches)79%extreme
December Weather25°C (77°F)181 mm (7.1 inches)81%extreme

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