May Weather in Iuna, Brazil

Last updated: August 22, 2025

In May, the average temperature in Iuna, Brazil hovers around 20°C (67°F), with a comfortable range from a minimum of 7°C (45°F) to a pleasant maximum of 29°C (85°F). Expect 37 mm (1.5 in) of precipitation spread across about 6 days, contributing to an average humidity level of 82%. Get ready for a season that beautifully balances warmth and refreshment!

May Temperature in Iuna

In May in Iuna, the average temperature is 20°C (67°F). Maximums can reach 29°C (85°F), while minimums can drop as low as 7°C (45°F). Overall, this range makes Iuna an ideal destination for travelers seeking mild and comfortable weather.

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

The chart illustrates May temperature patterns in Iuna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iuna, May typically has an average temperature of 20°C (67°F), with highs reaching up to 29°C (85°F) and lows dropping to around 7°C (45°F).

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

May Precipitation in Iuna

In Iuna in May, the precipitation amount is 37 mm (1.5 in) over the course of 6 days.

May Precipitation Trends in Iuna

The chart displays monthly precipitation patterns in Iuna, 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 Iuna, May typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 6 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Iuna

In Iuna in May humidity is 82%. With an average temperature of 20°C (67°F), this humidity feels like a warm, thick blanket enveloping you, making travel slightly uncomfortable as you navigate the stickiness in the air.

May Average Humidity in Iuna

This chart illustrates the average monthly humidity levels in Iuna, 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 Iuna is approximately 82%, 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 Iuna

In Iuna in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Iuna.

Maximum UV Index Levels in Iuna for May

The chart shows the monthly maximum UV Index (UVI) for Iuna 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 Iuna typically reaches 9, which falls under the very high exposure category.

Data source: Iuna 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 Iuna Compares to Other Months

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

This table compares monthly weather conditions in Iuna, 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 (75°F)	76 mm (3.0 inches)	80%	extreme
February Weather	23°C (74°F)	168 mm (6.6 inches)	85%	extreme
March Weather	23°C (74°F)	120 mm (4.7 inches)	86%	extreme
April Weather	22°C (71°F)	57 mm (2.3 inches)	85%	extreme
May Weather	20°C (67°F)	37 mm (1.5 inches)	82%	very high
June Weather	19°C (66°F)	11 mm (0.4 inches)	81%	high
July Weather	18°C (64°F)	10 mm (0.4 inches)	79%	very high
August Weather	18°C (65°F)	19 mm (0.7 inches)	75%	very high
September Weather	21°C (70°F)	29 mm (1.1 inches)	72%	extreme
October Weather	22°C (72°F)	111 mm (4.4 inches)	66%	extreme
November Weather	21°C (71°F)	163 mm (6.4 inches)	69%	extreme
December Weather	23°C (73°F)	176 mm (6.9 inches)	72%	extreme