December Weather in Reserva, Brazil

Last updated: August 22, 2025

In Reserva, Brazil, the average temperature in December is a pleasant 22°C (71°F). However, it can fluctuate significantly, with a minimum of 11°C (52°F) and a maximum reaching 33°C (92°F). During this time, you can expect 189 mm (7.4 in) of precipitation over 17 days, contributing to an average humidity of 86%. Be prepared for both warmth and moisture in this vibrant destination!

December Temperature in Reserva

In December in Reserva, the average temperature is 22°C (71°F), with maximums reaching 33°C (92°F) and minimums dropping as low as 11°C (52°F). This makes it an ideal time for travelers who enjoy mild weather and the opportunity to explore various outdoor activities.

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

The chart illustrates December temperature patterns in Reserva, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Reserva, December typically has an average temperature of 22°C (71°F), with highs reaching up to 33°C (92°F) and lows dropping to around 11°C (52°F).

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

December Precipitation in Reserva

In Reserva in December, the total precipitation amount is 189 mm (7.4 in) over a span of 17 days.

December Precipitation Trends in Reserva

The chart displays monthly precipitation patterns in Reserva, 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 Reserva, December typically receives around 189 mm (7.4 inches) of precipitation spread over approximately 17 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 Reserva

In Reserva in December humidity is 86%. With an average temperature of 22°C (71°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel muggy and draining.

December Average Humidity in Reserva

This chart illustrates the average monthly humidity levels in Reserva, 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 Reserva is approximately 86%, 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 Reserva

In Reserva 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 Reserva.

Maximum UV Index Levels in Reserva for December

The chart shows the monthly maximum UV Index (UVI) for Reserva 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 Reserva typically reaches 16, which falls under the extreme exposure category.

Data source: Reserva 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 Reserva Compares to Other Months

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

This table compares monthly weather conditions in Reserva, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (72°F)	203 mm (8.0 inches)	85%	extreme
February Weather	22°C (71°F)	134 mm (5.3 inches)	80%	extreme
March Weather	21°C (71°F)	134 mm (5.3 inches)	80%	extreme
April Weather	19°C (66°F)	62 mm (2.4 inches)	77%	extreme
May Weather	16°C (62°F)	88 mm (3.5 inches)	76%	very high
June Weather	15°C (60°F)	125 mm (4.9 inches)	74%	high
July Weather	14°C (58°F)	27 mm (1.0 inches)	66%	high
August Weather	16°C (61°F)	79 mm (3.1 inches)	57%	very high
September Weather	20°C (68°F)	69 mm (2.7 inches)	58%	extreme
October Weather	20°C (68°F)	181 mm (7.1 inches)	60%	extreme
November Weather	20°C (69°F)	116 mm (4.6 inches)	78%	extreme
December Weather	22°C (71°F)	189 mm (7.4 inches)	86%	extreme