May Weather in Arcos, Brazil

Last updated: August 22, 2025

In May, the average temperature in Arcos, Brazil hovers around 20°C (68°F). During this time, temperatures may dip to a chilly 5°C (41°F) at night or rise to a warm 29°C (85°F) during the day. Expect moderate precipitation of about 26 mm (1.0 in) spread over 4 days, and enjoy the cozy atmosphere with an average humidity of 74%.

May Temperature in Arcos

In May in Arcos, the average temperature is 20°C (68°F). The maximum can reach 29°C (85°F), and the minimum can be as low as 5°C (41°F). This makes it a perfect time for travelers to enjoy mild weather and explore the sights comfortably.

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

The chart illustrates May temperature patterns in Arcos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arcos, May typically has an average temperature of 20°C (68°F), with highs reaching up to 29°C (85°F) and lows dropping to around 5°C (41°F).

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

May Precipitation in Arcos

In Arcos in May, the precipitation amount is 26 mm (1.0 in) over the course of 4 days.

May Precipitation Trends in Arcos

The chart displays monthly precipitation patterns in Arcos, 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 Arcos, May typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 4 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 Arcos

In Arcos in May humidity is 74%. With an average temperature of 20°C (68°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel exhausting, prompting travelers to seek shade and hydration more often.

May Average Humidity in Arcos

This chart illustrates the average monthly humidity levels in Arcos, 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 Arcos 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 Arcos

In Arcos 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 Arcos.

Maximum UV Index Levels in Arcos for May

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

Data source: Arcos 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 Arcos Compares to Other Months

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

This table compares monthly weather conditions in Arcos, 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)	130 mm (5.1 inches)	85%	extreme
February Weather	23°C (74°F)	177 mm (7.0 inches)	87%	extreme
March Weather	24°C (75°F)	119 mm (4.7 inches)	87%	extreme
April Weather	22°C (73°F)	41 mm (1.6 inches)	80%	extreme
May Weather	20°C (68°F)	26 mm (1.0 inches)	74%	very high
June Weather	20°C (67°F)	8 mm (0.3 inches)	72%	high
July Weather	18°C (65°F)	2 mm (0.1 inches)	67%	very high
August Weather	20°C (69°F)	9 mm (0.4 inches)	58%	extreme
September Weather	24°C (75°F)	29 mm (1.2 inches)	49%	extreme
October Weather	24°C (76°F)	108 mm (4.2 inches)	36%	extreme
November Weather	23°C (74°F)	192 mm (7.5 inches)	65%	extreme
December Weather	23°C (74°F)	207 mm (8.1 inches)	72%	extreme