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December Weather in Montanha, Brazil

Last updated: August 22, 2025

In December, the average temperature in Montanha, Brazil hovers around 26°C (79°F). Expect a comfortable minimum of 19°C (66°F) and the mercury can soar to a steamy 36°C (97°F). This month brings about 215 mm (8.4 in) of precipitation over 17 days, so be prepared for some rain. With an average humidity of 66%, the air can feel quite humid.

December Temperature in Montanha

In December in Montanha, the average temperature is 26°C (79°F). Maximum temperatures can reach 36°C (97°F), while minimum temperatures can drop to as low as 19°C (66°F). This mild climate makes Montanha an ideal destination for travelers looking to enjoy warm weather and outdoor activities.

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

The chart illustrates December temperature patterns in Montanha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Montanha, December typically has an average temperature of 26°C (79°F), with highs reaching up to 36°C (97°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec818180787573717275787778
Data source: Temperature data for Montanha 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 Montanha

In Montanha in December, the total precipitation amount is 215 mm (8.4 in), which falls over a span of 17 days.

December Precipitation Trends in Montanha

The chart displays monthly precipitation patterns in Montanha, 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 Montanha, December typically receives around 215 mm (8.4 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec541099660362421262789135215
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Montanha

In Montanha in December, humidity is 66%. With an average temperature of 26°C (79°F), this humidity feels like a warm, enveloping blanket, making outdoor activities invigorating yet requiring occasional breaks in the shade to stay comfortable while traveling.

December Average Humidity in Montanha

This chart illustrates the average monthly humidity levels in Montanha, 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 Montanha is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%83%87%87%83%82%80%77%71%63%62%66%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Montanha

In Montanha in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Montanha.

Maximum UV Index Levels in Montanha for December

The chart shows the monthly maximum UV Index (UVI) for Montanha 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 Montanha typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151514129881112141515
Data source: Montanha 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 Montanha Compares to Other Months

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

This table compares monthly weather conditions in Montanha, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)54 mm (2.1 inches)75%extreme
February Weather27°C (81°F)109 mm (4.3 inches)83%extreme
March Weather27°C (80°F)96 mm (3.8 inches)87%extreme
April Weather25°C (78°F)60 mm (2.4 inches)87%extreme
May Weather24°C (75°F)36 mm (1.4 inches)83%very high
June Weather23°C (73°F)24 mm (0.9 inches)82%very high
July Weather22°C (71°F)21 mm (0.8 inches)80%very high
August Weather22°C (72°F)26 mm (1.0 inches)77%extreme
September Weather24°C (76°F)27 mm (1.1 inches)71%extreme
October Weather26°C (78°F)89 mm (3.5 inches)63%extreme
November Weather25°C (77°F)135 mm (5.3 inches)62%extreme
December Weather26°C (79°F)215 mm (8.4 inches)66%extreme

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