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December Weather in Guaiuba, Brazil

Last updated: August 22, 2025

In December, the average temperature in Guaiuba, Brazil is a warm 28°C (82°F). Expect pleasant days with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 34°C (94°F). While enjoying the sunny weather, be prepared for some rain, as the region sees an average precipitation of 46 mm (1.8 in) over 12 days. With an average humidity of 69%, it’s a perfect time to experience the vibrant atmosphere of this beautiful location!

December Temperature in Guaiuba

In December in Guaiuba, the average temperature is 28°C (82°F), with maximums reaching 34°C (94°F) and minimums dropping to 23°C (73°F). This warm climate makes it an ideal destination for travelers seeking sunny and pleasant weather during this time of year.

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

The chart illustrates December temperature patterns in Guaiuba, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guaiuba, December typically has an average temperature of 28°C (82°F), with highs reaching up to 34°C (94°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec808079797979798181818282
Data source: Temperature data for Guaiuba 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 Guaiuba

In Guaiuba in December, the total precipitation amount is 46 mm (1.8 in) spread over the course of 12 days.

December Precipitation Trends in Guaiuba

The chart displays monthly precipitation patterns in Guaiuba, 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 Guaiuba, December typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec9019721923112046374391546
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Guaiuba

In Guaiuba in December, humidity is 69%. With an average temperature of 28°C (82°F), this humidity feels like a warm embrace that clings to your skin, making outdoor exploration slightly more challenging but still enjoyable as you soak in the vibrant surroundings.

December Average Humidity in Guaiuba

This chart illustrates the average monthly humidity levels in Guaiuba, 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 Guaiuba is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%92%91%89%78%66%60%56%54%56%69%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Guaiuba

In Guaiuba in December, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Guaiuba.

Maximum UV Index Levels in Guaiuba for December

The chart shows the monthly maximum UV Index (UVI) for Guaiuba 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 Guaiuba typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141415151311111213131413
Data source: Guaiuba 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 Guaiuba Compares to Other Months

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

This table compares monthly weather conditions in Guaiuba, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)90 mm (3.5 inches)89%extreme
February Weather26°C (80°F)197 mm (7.8 inches)90%extreme
March Weather26°C (79°F)219 mm (8.6 inches)92%extreme
April Weather26°C (79°F)231 mm (9.1 inches)91%extreme
May Weather26°C (79°F)120 mm (4.7 inches)88%extreme
June Weather26°C (79°F)46 mm (1.8 inches)78%extreme
July Weather26°C (79°F)37 mm (1.5 inches)66%extreme
August Weather27°C (81°F)4 mm (0.2 inches)60%extreme
September Weather27°C (81°F)3 mm (0.1 inches)56%extreme
October Weather27°C (82°F)9 mm (0.4 inches)54%extreme
November Weather28°C (82°F)15 mm (0.6 inches)56%extreme
December Weather28°C (82°F)46 mm (1.8 inches)69%extreme

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