May Weather in Alterosa, Brazil

Last updated: August 22, 2025

The average temperature in Alterosa, Brazil during May is a pleasant 19°C (66°F). However, temperatures can fluctuate, with minimums dipping to 4°C (39°F) and maximums rising to 29°C (84°F). Expect precipitation of around 47 mm (1.8 in) spread over 5 days, along with an average humidity level of 74%.

May Temperature in Alterosa

In May in Alterosa, the average temperature is 19°C (66°F). The maximum can reach 29°C (84°F) and the minimum can be as low as 4°C (39°F). This makes Alterosa a comfortable destination for traveling, with pleasant weather ideal for outdoor activities.

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

The chart illustrates May temperature patterns in Alterosa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alterosa, May typically has an average temperature of 19°C (66°F), with highs reaching up to 29°C (84°F) and lows dropping to around 4°C (39°F).

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

May Precipitation in Alterosa

In Alterosa in May, the total precipitation amount is 47 mm (1.8 in) over the course of 5 days.

May Precipitation Trends in Alterosa

The chart displays monthly precipitation patterns in Alterosa, 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 Alterosa, May typically receives around 47 mm (1.8 inches) of precipitation spread over approximately 5 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 Alterosa

In Alterosa in May humidity is 74%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making it ideal for leisurely outdoor exploration but potentially heavy for those not accustomed to tropical conditions.

May Average Humidity in Alterosa

This chart illustrates the average monthly humidity levels in Alterosa, 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 Alterosa is approximately 74%, 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 Alterosa

In Alterosa 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 Alterosa.

Maximum UV Index Levels in Alterosa for May

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

Data source: Alterosa 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 Alterosa Compares to Other Months

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

This table compares monthly weather conditions in Alterosa, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (74°F)	212 mm (8.4 inches)	85%	extreme
February Weather	23°C (74°F)	248 mm (9.8 inches)	87%	extreme
March Weather	23°C (74°F)	172 mm (6.8 inches)	87%	extreme
April Weather	21°C (70°F)	61 mm (2.4 inches)	80%	extreme
May Weather	19°C (66°F)	47 mm (1.8 inches)	74%	very high
June Weather	18°C (65°F)	19 mm (0.7 inches)	72%	high
July Weather	17°C (62°F)	7 mm (0.3 inches)	67%	very high
August Weather	19°C (66°F)	25 mm (1.0 inches)	58%	very high
September Weather	22°C (72°F)	39 mm (1.5 inches)	49%	extreme
October Weather	23°C (73°F)	153 mm (6.0 inches)	36%	extreme
November Weather	22°C (72°F)	205 mm (8.1 inches)	65%	extreme
December Weather	23°C (73°F)	270 mm (10.6 inches)	72%	extreme