December Weather in Una, Brazil

Last updated: August 22, 2025

In December, the average temperature in Una, Brazil is a delightful 26°C (78°F). Expect a comfortable range, with minimum temperatures dipping to 21°C (70°F) and occasionally peaking at 31°C (88°F). However, be prepared for some rain, as precipitation amounts to 196 mm (7.7 in) over 23 days. Don't forget, the average humidity hovers around a balmy 72%, adding to the tropical charm of the season!

December Temperature in Una

In December, in Una, the average temperature is 26°C (78°F), with maximums reaching 31°C (88°F) and minimums dropping to as low as 21°C (70°F). This weather makes Una an ideal destination for travelers seeking warm and pleasant conditions.

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

The chart illustrates December temperature patterns in Una, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Una, December typically has an average temperature of 26°C (78°F), with highs reaching up to 31°C (88°F) and lows dropping to around 21°C (70°F).

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

December Precipitation in Una

In Una in December, the total precipitation amount is 196 mm (7.7 in) spread over 23 days.

December Precipitation Trends in Una

The chart displays monthly precipitation patterns in Una, 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 Una, December typically receives around 196 mm (7.7 inches) of precipitation spread over approximately 23 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 Una

In Una in December, humidity is 72%. With an average temperature of 26°C (78°F), this humidity feels like a warm, enveloping blanket that can leave travelers feeling sticky and slightly fatigued, making it essential to stay hydrated and take breaks in the shade.

December Average Humidity in Una

This chart illustrates the average monthly humidity levels in Una, 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 Una is approximately 72%, 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 Una

In Una 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 Una.

Maximum UV Index Levels in Una for December

The chart shows the monthly maximum UV Index (UVI) for Una 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 Una typically reaches 15, which falls under the extreme exposure category.

Data source: Una 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 Una Compares to Other Months

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

This table compares monthly weather conditions in Una, 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 (79°F)	59 mm (2.3 inches)	76%	extreme
February Weather	26°C (80°F)	75 mm (2.9 inches)	79%	extreme
March Weather	26°C (79°F)	141 mm (5.6 inches)	83%	extreme
April Weather	25°C (78°F)	160 mm (6.3 inches)	84%	extreme
May Weather	24°C (76°F)	119 mm (4.7 inches)	83%	very high
June Weather	23°C (74°F)	109 mm (4.3 inches)	80%	very high
July Weather	22°C (73°F)	95 mm (3.7 inches)	78%	very high
August Weather	22°C (73°F)	94 mm (3.7 inches)	76%	extreme
September Weather	23°C (74°F)	81 mm (3.2 inches)	75%	extreme
October Weather	25°C (77°F)	125 mm (4.9 inches)	74%	extreme
November Weather	25°C (77°F)	203 mm (8.0 inches)	73%	extreme
December Weather	26°C (78°F)	196 mm (7.7 inches)	72%	extreme