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December Weather in Sao Joao do Piaui, Brazil

Last updated: August 22, 2025

In Sao Joao do Piaui, Brazil, the average temperature in December reaches a warm 28°C (83°F). Expect minimums of 22°C (71°F) and soaring maximums of 39°C (103°F). During this time, the area experiences approximately 53 mm (2.1 in) of precipitation over 7 days, accompanied by an average humidity of 59%. Enjoy the warm weather, but be prepared for occasional rain!

December Temperature in Sao Joao do Piaui

In December in Sao Joao do Piaui, the average temperature is 28°C (83°F), with maximums reaching 39°C (103°F) and minimums dropping as low as 22°C (71°F). This warm climate makes Sao Joao do Piaui an ideal destination for travelers seeking sunny adventures and outdoor activities.

December Weather in Sao Joao do Piaui: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Sao Joao do Piaui, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Joao do Piaui, December typically has an average temperature of 28°C (83°F), with highs reaching up to 39°C (103°F) and lows dropping to around 22°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec828181818382818386888583
Data source: Temperature data for Sao Joao do Piaui 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 Sao Joao do Piaui

In Sao Joao do Piaui in December, the total precipitation amount is 53 mm (2.1 in) spread over a period of 7 days.

December Precipitation Trends in Sao Joao do Piaui

The chart displays monthly precipitation patterns in Sao Joao do Piaui, 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 Sao Joao do Piaui, December typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec59153109100152100345553
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sao Joao do Piaui

In Sao Joao do Piaui in December humidity is 59%. With an average temperature of 28°C (83°F), this humidity feels like a warm embrace, making traveling a little sticky but overall comfortable as long as you stay hydrated and take breaks in the shade.

December Average Humidity in Sao Joao do Piaui

This chart illustrates the average monthly humidity levels in Sao Joao do Piaui, 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 Sao Joao do Piaui is approximately 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%91%92%90%84%76%68%62%56%51%44%59%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sao Joao do Piaui

In Sao Joao do Piaui in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Sao Joao do Piaui, you can check here.

Maximum UV Index Levels in Sao Joao do Piaui for December

The chart shows the monthly maximum UV Index (UVI) for Sao Joao do Piaui 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 Sao Joao do Piaui typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151515141211111213141414
Data source: Sao Joao do Piaui 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 Sao Joao do Piaui Compares to Other Months

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

This table compares monthly weather conditions in Sao Joao do Piaui, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (83°F)59 mm (2.3 inches)86%extreme
February Weather27°C (81°F)153 mm (6.0 inches)90%extreme
March Weather27°C (81°F)109 mm (4.3 inches)92%extreme
April Weather27°C (82°F)100 mm (3.9 inches)90%extreme
May Weather28°C (83°F)15 mm (0.6 inches)84%extreme
June Weather28°C (82°F)2 mm (0.1 inches)76%extreme
July Weather27°C (82°F)1 mm (0.0 inches)68%extreme
August Weather29°C (84°F)0 mm (0.0 inches)62%extreme
September Weather30°C (86°F)0 mm (0.0 inches)56%extreme
October Weather31°C (88°F)34 mm (1.3 inches)51%extreme
November Weather29°C (85°F)55 mm (2.2 inches)44%extreme
December Weather28°C (83°F)53 mm (2.1 inches)59%extreme

Compare Sao Joao do Piaui's Climate with Cities Worldwide