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December Weather in Sao Manuel, Brazil

Last updated: August 22, 2025

In December, the average temperature in Sao Manuel, Brazil is a pleasant 24°C (76°F), with temperatures varying from a cool 14°C (58°F) to a warm 36°C (97°F). Expect around 126 mm (5.0 in) of precipitation spread over 17 days, contributing to an average humidity of 83%. Perfect for those who enjoy a balanced climate with occasional refreshing showers!

December Temperature in Sao Manuel

In December in Sao Manuel, the average temperature is 24°C (76°F), with maximums reaching up to 36°C (97°F) and minimums dropping as low as 14°C (58°F). This pleasant climate makes it an ideal destination for travelers seeking a comfortable getaway.

December Weather in Sao Manuel: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Sao Manuel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Manuel, December typically has an average temperature of 24°C (76°F), with highs reaching up to 36°C (97°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec767676726867656673747476
Data source: Temperature data for Sao Manuel 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 Manuel

In Sao Manuel in December, the precipitation amount is 126 mm (5.0 in) over a duration of 17 days.

December Precipitation Trends in Sao Manuel

The chart displays monthly precipitation patterns in Sao Manuel, 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 Manuel, December typically receives around 126 mm (5.0 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec20314810250372613542493118126
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sao Manuel

In Sao Manuel in December, humidity is 83%. With an average temperature of 24°C (76°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier and possibly causing travelers to sweat more quickly, prompting frequent breaks in shaded areas or the search for refreshing beverages.

December Average Humidity in Sao Manuel

This chart illustrates the average monthly humidity levels in Sao Manuel, 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 Manuel is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%86%82%76%71%68%59%54%50%74%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sao Manuel

In Sao Manuel 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 Manuel.

Maximum UV Index Levels in Sao Manuel for December

The chart shows the monthly maximum UV Index (UVI) for Sao Manuel 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 Manuel typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151513118771012131416
Data source: Sao Manuel 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 Manuel Compares to Other Months

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

This table compares monthly weather conditions in Sao Manuel, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (76°F)203 mm (8.0 inches)88%extreme
February Weather24°C (76°F)148 mm (5.8 inches)87%extreme
March Weather24°C (76°F)102 mm (4.0 inches)86%extreme
April Weather22°C (72°F)50 mm (2.0 inches)82%extreme
May Weather20°C (68°F)36 mm (1.4 inches)76%very high
June Weather19°C (67°F)26 mm (1.0 inches)71%high
July Weather18°C (65°F)13 mm (0.5 inches)67%high
August Weather19°C (67°F)54 mm (2.1 inches)59%very high
September Weather23°C (73°F)24 mm (1.0 inches)54%extreme
October Weather23°C (74°F)93 mm (3.7 inches)50%extreme
November Weather23°C (74°F)118 mm (4.7 inches)74%extreme
December Weather24°C (76°F)126 mm (5.0 inches)83%extreme

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