December Weather in Irara, Brazil

Last updated: August 22, 2025

In Irara, Brazil, the average temperature in December is a warm 26°C (80°F). Expect a minimum of 19°C (66°F) and a peak reaching up to 36°C (97°F). During this time, precipitation averages 52 mm (2.0 in) spread over 9 days, with an average humidity of 70%. Ideal for those who enjoy a humid climate with a touch of sunshine!

December Temperature in Irara

In December in Irara, the average temperature is 26°C (80°F), with maximums reaching 36°C (97°F) and minimums dropping to as low as 19°C (66°F). This warm climate makes it an ideal time for travelers seeking pleasant weather and outdoor activities.

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

The chart illustrates December temperature patterns in Irara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Irara, December typically has an average temperature of 26°C (80°F), with highs reaching up to 36°C (97°F) and lows dropping to around 19°C (66°F).

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

December Precipitation in Irara

In Irara in December, the precipitation amount is 52 mm (2.0 in) over a span of 9 days.

December Precipitation Trends in Irara

The chart displays monthly precipitation patterns in Irara, 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 Irara, December typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 9 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 Irara

In Irara in December, humidity is 70%. With an average temperature of 26°C (80°F), this humidity feels like a warm, sticky blanket enveloping you, making travel feel laborious and prompting frequent breaks in shaded spots or air-conditioned spaces to stay comfortable.

December Average Humidity in Irara

This chart illustrates the average monthly humidity levels in Irara, 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 Irara is approximately 70%, 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 Irara

In Irara 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 Irara, you can check here.

Maximum UV Index Levels in Irara for December

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

Data source: Irara 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 Irara Compares to Other Months

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

This table compares monthly weather conditions in Irara, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	25 mm (1.0 inches)	76%	extreme
February Weather	27°C (82°F)	34 mm (1.3 inches)	81%	extreme
March Weather	27°C (81°F)	65 mm (2.6 inches)	86%	extreme
April Weather	26°C (79°F)	92 mm (3.6 inches)	87%	extreme
May Weather	24°C (76°F)	77 mm (3.0 inches)	86%	extreme
June Weather	23°C (74°F)	76 mm (3.0 inches)	84%	very high
July Weather	22°C (72°F)	60 mm (2.4 inches)	80%	very high
August Weather	22°C (73°F)	50 mm (2.0 inches)	77%	extreme
September Weather	24°C (75°F)	39 mm (1.5 inches)	75%	extreme
October Weather	26°C (79°F)	29 mm (1.1 inches)	72%	extreme
November Weather	26°C (79°F)	63 mm (2.5 inches)	71%	extreme
December Weather	26°C (80°F)	52 mm (2.0 inches)	70%	extreme