December Weather in Monte Santo, Brazil

Last updated: August 22, 2025

In December, the average temperature in Monte Santo, Brazil reaches a warm 26°C (80°F), with a comfortable minimum of 19°C (66°F) and a high of 38°C (100°F). Expect about 52 mm (2.0 in) of precipitation over 5 days, accompanied by an average humidity of 61%. Perfect for enjoying the vibrant atmosphere of the season!

December Temperature in Monte Santo

In December in Monte Santo, the average temperature is 26°C (80°F). Maximums can reach 38°C (100°F), and minimums can be as low as 19°C (66°F). This makes it a wonderful time to explore and enjoy outdoor activities in Monte Santo.

December Weather in Monte Santo: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Monte Santo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Monte Santo, December typically has an average temperature of 26°C (80°F), with highs reaching up to 38°C (100°F) and lows dropping to around 19°C (66°F).

Data source: Temperature data for Monte Santo generated using information from the Copernicus Climate Change Service.

December Precipitation in Monte Santo

In Monte Santo in December, the precipitation amount is 52 mm (2.0 in) over a span of 5 days.

December Precipitation Trends in Monte Santo

The chart displays monthly precipitation patterns in Monte Santo, 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 Monte Santo, December typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 5 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Monte Santo

In Monte Santo in December, humidity is 61%. With an average temperature of 26°C (80°F), this humidity feels like a sweltering embrace, making outdoor activities a bit uncomfortable and requiring frequent breaks in the shade.

December Average Humidity in Monte Santo

This chart illustrates the average monthly humidity levels in Monte Santo, 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 Monte Santo is approximately 61%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Monte Santo

In Monte Santo 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 Monte Santo, you can check here.

Maximum UV Index Levels in Monte Santo for December

The chart shows the monthly maximum UV Index (UVI) for Monte Santo 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 Monte Santo typically reaches 14, which falls under the extreme exposure category.

Data source: Monte Santo 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 Monte Santo Compares to Other Months

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

This table compares monthly weather conditions in Monte Santo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (80°F)	22 mm (0.9 inches)	76%	extreme
February Weather	27°C (81°F)	41 mm (1.6 inches)	84%	extreme
March Weather	27°C (81°F)	62 mm (2.4 inches)	89%	extreme
April Weather	26°C (79°F)	43 mm (1.7 inches)	91%	extreme
May Weather	24°C (76°F)	42 mm (1.7 inches)	89%	extreme
June Weather	23°C (74°F)	37 mm (1.5 inches)	87%	very high
July Weather	22°C (72°F)	38 mm (1.5 inches)	80%	very high
August Weather	23°C (73°F)	24 mm (0.9 inches)	75%	extreme
September Weather	24°C (75°F)	21 mm (0.8 inches)	70%	extreme
October Weather	26°C (79°F)	15 mm (0.6 inches)	66%	extreme
November Weather	26°C (79°F)	46 mm (1.8 inches)	61%	extreme
December Weather	26°C (80°F)	52 mm (2.0 inches)	61%	extreme