May Weather in Antonina, Brazil

Last updated: August 22, 2025

In May, the average temperature in Antonina, Brazil hovers around 19°C (66°F), with daytime highs reaching up to 31°C (87°F) and nighttime lows dipping to 7°C (46°F). Expect a fair amount of rainfall, averaging 139 mm (5.5 in) over 16 days of the month. The air tends to be quite humid, with an average humidity level of 84%, so prepare for a tropical experience!

May Temperature in Antonina

In May in Antonina, the average temperature is 19°C (66°F). Maximum temperatures can reach 31°C (87°F), while minimums can drop to as low as 7°C (46°F). This range makes it an ideal time for travelers to enjoy a variety of outdoor activities while still being prepared for cooler evenings.

May Weather in Antonina: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Antonina, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Antonina, May typically has an average temperature of 19°C (66°F), with highs reaching up to 31°C (87°F) and lows dropping to around 7°C (46°F).

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

May Precipitation in Antonina

In Antonina in May, the total precipitation amount is 139 mm (5.5 in) spread over 16 days.

May Precipitation Trends in Antonina

The chart displays monthly precipitation patterns in Antonina, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Antonina, May typically receives around 139 mm (5.5 inches) of precipitation spread over approximately 16 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Antonina

In Antonina in May, humidity is 84%. With an average temperature of 19°C (66°F), this humidity feels like a warm, sticky embrace that can make traveling uncomfortable and exhausting, as the air clings to your skin, and every step taken feels heavier in the sultry atmosphere.

May Average Humidity in Antonina

This chart illustrates the average monthly humidity levels in Antonina, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Antonina is approximately 84%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Antonina

In Antonina in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Antonina.

Maximum UV Index Levels in Antonina for May

The chart shows the monthly maximum UV Index (UVI) for Antonina in May, 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 May, the maximum UV index in Antonina typically reaches 7, which falls under the high exposure category.

Data source: Antonina May 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 May Weather in Antonina Compares to Other Months

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

This table compares monthly weather conditions in Antonina, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (76°F)	287 mm (11.3 inches)	89%	extreme
February Weather	24°C (75°F)	245 mm (9.6 inches)	86%	extreme
March Weather	23°C (74°F)	245 mm (9.6 inches)	87%	extreme
April Weather	21°C (70°F)	118 mm (4.6 inches)	85%	extreme
May Weather	19°C (66°F)	139 mm (5.5 inches)	84%	high
June Weather	18°C (64°F)	114 mm (4.5 inches)	83%	high
July Weather	17°C (62°F)	47 mm (1.8 inches)	78%	high
August Weather	17°C (63°F)	95 mm (3.7 inches)	73%	very high
September Weather	19°C (67°F)	111 mm (4.4 inches)	73%	extreme
October Weather	20°C (69°F)	222 mm (8.7 inches)	71%	extreme
November Weather	21°C (70°F)	179 mm (7.1 inches)	83%	extreme
December Weather	23°C (73°F)	246 mm (9.7 inches)	87%	extreme