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December Weather in Sao Luis de Montes Belos, Brazil

Last updated: August 22, 2025

In Sao Luis de Montes Belos, Brazil, the average temperature for December hovers around 25°C (77°F), with a comfortable minimum of 19°C (66°F) and a warm maximum reaching 35°C (95°F). You'll experience 208 mm (8.2 in) of precipitation spread across 24 days, along with a high average humidity of 84%. Be prepared for a mix of sun and rain!

December Temperature in Sao Luis de Montes Belos

In December in Sao Luis de Montes Belos, the average temperature is 25°C (77°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 19°C (66°F). This pleasant climate makes Sao Luis de Montes Belos an ideal destination for travelers seeking warm weather and comfortable conditions.

December Weather in Sao Luis de Montes Belos: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Sao Luis de Montes Belos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Luis de Montes Belos, December typically has an average temperature of 25°C (77°F), with highs reaching up to 35°C (95°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec777677767373727782817777
Data source: Temperature data for Sao Luis de Montes Belos 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 Luis de Montes Belos

In Sao Luis de Montes Belos in December, the precipitation amount is 208 mm (8.2 in) over a span of 24 days.

December Precipitation Trends in Sao Luis de Montes Belos

The chart displays monthly precipitation patterns in Sao Luis de Montes Belos, 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 Luis de Montes Belos, December typically receives around 208 mm (8.2 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec14419814892110017103176208
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sao Luis de Montes Belos

In Sao Luis de Montes Belos in December, humidity is 84%. With an average temperature of 25°C (77°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities challenging and prompting travelers to seek shade and stay hydrated.

December Average Humidity in Sao Luis de Montes Belos

This chart illustrates the average monthly humidity levels in Sao Luis de Montes Belos, 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 Luis de Montes Belos is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%89%89%83%68%60%53%43%33%29%61%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sao Luis de Montes Belos

In Sao Luis de Montes Belos 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 Sao Luis de Montes Belos.

Maximum UV Index Levels in Sao Luis de Montes Belos for December

The chart shows the monthly maximum UV Index (UVI) for Sao Luis de Montes Belos 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 Luis de Montes Belos typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1616141210891112151616
Data source: Sao Luis de Montes Belos 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 Luis de Montes Belos Compares to Other Months

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

This table compares monthly weather conditions in Sao Luis de Montes Belos, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)144 mm (5.7 inches)87%extreme
February Weather25°C (77°F)198 mm (7.8 inches)89%extreme
March Weather25°C (77°F)148 mm (5.8 inches)89%extreme
April Weather24°C (76°F)92 mm (3.6 inches)83%extreme
May Weather23°C (74°F)11 mm (0.4 inches)68%very high
June Weather23°C (73°F)0 mm (0.0 inches)60%very high
July Weather22°C (72°F)0 mm (0.0 inches)53%very high
August Weather25°C (77°F)1 mm (0.0 inches)43%extreme
September Weather28°C (83°F)7 mm (0.3 inches)33%extreme
October Weather27°C (81°F)103 mm (4.1 inches)28%extreme
November Weather25°C (77°F)176 mm (6.9 inches)61%extreme
December Weather25°C (77°F)208 mm (8.2 inches)84%extreme

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