December Weather in Umuarama, Brazil

Last updated: August 22, 2025

In December, the average temperature in Umuarama, Brazil reaches a pleasant 26°C (78°F). Expect temperatures to vary, with minimums dropping to 16°C (61°F) and maximums soaring to 38°C (100°F). During this time, precipitation averages around 178 mm (7.0 in) over 14 days, contributing to an average humidity of 84%. Prepare for a warm and somewhat humid experience!

December Temperature in Umuarama

In December in Umuarama, the average temperature is 26°C (78°F), with maximums that can reach 38°C (100°F) and minimums that can dip to 16°C (61°F). This mild and warm weather makes it an ideal time to explore the outdoor attractions and enjoy various activities.

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

The chart illustrates December temperature patterns in Umuarama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Umuarama, December typically has an average temperature of 26°C (78°F), with highs reaching up to 38°C (100°F) and lows dropping to around 16°C (61°F).

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

December Precipitation in Umuarama

In Umuarama in December, the total precipitation amount is 178 mm (7.0 in) spread over 14 days.

December Precipitation Trends in Umuarama

The chart displays monthly precipitation patterns in Umuarama, 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 Umuarama, December typically receives around 178 mm (7.0 inches) of precipitation spread over approximately 14 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 Umuarama

In Umuarama in December, humidity is 84%. With an average temperature of 26°C (78°F), this humidity feels like walking through a warm, moist blanket, making outdoor activities feel heavy and exhausting for travelers.

December Average Humidity in Umuarama

This chart illustrates the average monthly humidity levels in Umuarama, 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 Umuarama is approximately 84%, 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 Umuarama

In Umuarama 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 Umuarama.

Maximum UV Index Levels in Umuarama for December

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

Data source: Umuarama 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 Umuarama Compares to Other Months

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

This table compares monthly weather conditions in Umuarama, 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 (78°F)	177 mm (7.0 inches)	85%	extreme
February Weather	26°C (78°F)	156 mm (6.2 inches)	83%	extreme
March Weather	25°C (78°F)	120 mm (4.7 inches)	82%	extreme
April Weather	23°C (73°F)	56 mm (2.2 inches)	76%	extreme
May Weather	20°C (68°F)	123 mm (4.8 inches)	67%	very high
June Weather	19°C (66°F)	101 mm (4.0 inches)	61%	high
July Weather	18°C (65°F)	23 mm (0.9 inches)	52%	high
August Weather	20°C (68°F)	125 mm (4.9 inches)	42%	very high
September Weather	24°C (76°F)	56 mm (2.2 inches)	42%	extreme
October Weather	24°C (76°F)	182 mm (7.2 inches)	43%	extreme
November Weather	25°C (77°F)	96 mm (3.8 inches)	68%	extreme
December Weather	26°C (78°F)	178 mm (7.0 inches)	84%	extreme