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December Weather in Serrana, Brazil

Last updated: August 22, 2025

In December, the average temperature in Serrana, Brazil hovers around 24°C (76°F). Prepare for a pleasant range, with minimums dipping to 15°C (59°F) and maximums soaring to 34°C (94°F). However, be ready for the possibility of rain, as 189 mm (7.5 in) of precipitation can fall over 18 days, contributing to an average humidity of 80%.

December Temperature in Serrana

In December in Serrana, the average temperature is 24°C (76°F). Maximum temperatures can reach 34°C (94°F), while minimums can dip as low as 15°C (59°F). This pleasant climate makes Serrana an ideal destination for travelers seeking warm weather and comfortable conditions.

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

The chart illustrates December temperature patterns in Serrana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Serrana, December typically has an average temperature of 24°C (76°F), with highs reaching up to 34°C (94°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec767676736868667076777576
Data source: Temperature data for Serrana 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 Serrana

In Serrana in December, the total precipitation amount is 189 mm (7.5 in) over the course of 18 days.

December Precipitation Trends in Serrana

The chart displays monthly precipitation patterns in Serrana, 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 Serrana, December typically receives around 189 mm (7.5 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec182155112593110101928117156190
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Serrana

In Serrana in December humidity is 80%. With an average temperature of 24°C (76°F), this humidity feels like a warm, sticky embrace that can make exploring outdoors quite draining, so it's essential to stay hydrated and take breaks in the shade while traveling.

December Average Humidity in Serrana

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

In Serrana 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 Serrana.

Maximum UV Index Levels in Serrana for December

The chart shows the monthly maximum UV Index (UVI) for Serrana 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 Serrana typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161613118781012131416
Data source: Serrana 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 Serrana Compares to Other Months

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

This table compares monthly weather conditions in Serrana, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)182 mm (7.2 inches)85%extreme
February Weather24°C (76°F)155 mm (6.1 inches)87%extreme
March Weather24°C (76°F)112 mm (4.4 inches)86%extreme
April Weather23°C (73°F)59 mm (2.3 inches)79%extreme
May Weather20°C (69°F)31 mm (1.2 inches)68%very high
June Weather20°C (68°F)10 mm (0.4 inches)60%high
July Weather19°C (66°F)10 mm (0.4 inches)57%very high
August Weather21°C (70°F)19 mm (0.7 inches)48%very high
September Weather25°C (77°F)28 mm (1.1 inches)41%extreme
October Weather25°C (77°F)117 mm (4.6 inches)35%extreme
November Weather24°C (76°F)156 mm (6.1 inches)65%extreme
December Weather24°C (76°F)189 mm (7.5 inches)80%extreme

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