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December Weather in Sobral, Brazil

Last updated: August 22, 2025

In Sobral, Brazil, the average temperature in December is a warm 29°C (84°F). Expect the mercury to dip as low as 22°C (72°F) and rise to a steamy 37°C (99°F). During this month, anticipate 33 mm (1.3 in) of precipitation over 7 days, accompanied by an average humidity of 74%.

December Temperature in Sobral

In December in Sobral, the average temperature is 29°C (84°F). Maximums can reach 37°C (99°F), while minimums can be as low as 22°C (72°F). This warm weather makes Sobral an ideal destination for travelers seeking sun and warmth during this time of year.

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

The chart illustrates December temperature patterns in Sobral, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sobral, December typically has an average temperature of 29°C (84°F), with highs reaching up to 37°C (99°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec828080808081818284848484
Data source: Temperature data for Sobral 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 Sobral

In Sobral in December, the precipitation amount is 33 mm (1.3 in) over a period of 7 days.

December Precipitation Trends in Sobral

The chart displays monthly precipitation patterns in Sobral, 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 Sobral, December typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec812022052018120204371633
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sobral

In Sobral in December humidity is 74%. With an average temperature of 29°C (84°F), this humidity feels like a thick blanket wrapping around you, making it essential to stay hydrated and take frequent breaks in the shade while exploring.

December Average Humidity in Sobral

This chart illustrates the average monthly humidity levels in Sobral, 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 Sobral is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%88%89%91%88%77%63%54%55%58%62%74%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sobral

In Sobral 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 Sobral.

Maximum UV Index Levels in Sobral for December

The chart shows the monthly maximum UV Index (UVI) for Sobral 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 Sobral typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141415151311111213131313
Data source: Sobral 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 Sobral Compares to Other Months

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

This table compares monthly weather conditions in Sobral, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (82°F)81 mm (3.2 inches)87%extreme
February Weather27°C (81°F)201 mm (7.9 inches)88%extreme
March Weather26°C (80°F)205 mm (8.1 inches)89%extreme
April Weather26°C (80°F)201 mm (7.9 inches)90%extreme
May Weather27°C (80°F)81 mm (3.2 inches)87%extreme
June Weather27°C (81°F)20 mm (0.8 inches)77%extreme
July Weather27°C (81°F)20 mm (0.8 inches)62%extreme
August Weather28°C (83°F)4 mm (0.1 inches)54%extreme
September Weather29°C (84°F)3 mm (0.1 inches)55%extreme
October Weather29°C (85°F)7 mm (0.3 inches)58%extreme
November Weather29°C (85°F)16 mm (0.6 inches)62%extreme
December Weather29°C (84°F)33 mm (1.3 inches)74%extreme

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