May Weather in Bastos, Brazil

Last updated: August 22, 2025

In Bastos, Brazil, the average temperature in May hovers around 22°C (71°F). However, temperatures can fluctuate, dipping as low as 7°C (44°F) and soaring up to 33°C (92°F). Expect 41 mm (1.6 in) of precipitation over about 4 days, and enjoy an average humidity of 68% for a truly balanced climate experience!

May Temperature in Bastos

In May in Bastos, the average temperature is 22°C (71°F), with maximums reaching 33°C (92°F) and minimums dropping as low as 7°C (44°F). This makes Bastos an ideal destination for travelers seeking pleasant weather and the opportunity to experience a range of outdoor activities.

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

The chart illustrates May temperature patterns in Bastos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bastos, May typically has an average temperature of 22°C (71°F), with highs reaching up to 33°C (92°F) and lows dropping to around 7°C (44°F).

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

May Precipitation in Bastos

In Bastos in May, the precipitation amount is 41 mm (1.6 in) over the course of 4 days.

May Precipitation Trends in Bastos

The chart displays monthly precipitation patterns in Bastos, 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 Bastos, May typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 4 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 Bastos

In Bastos in May, humidity is 68%. With an average temperature of 22°C (71°F), this humidity feels like a warm embrace, making traveling quite pleasant yet slightly sticky as you explore the sights.

May Average Humidity in Bastos

This chart illustrates the average monthly humidity levels in Bastos, 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 Bastos is approximately 68%, 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 Bastos

In Bastos in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Bastos.

Maximum UV Index Levels in Bastos for May

The chart shows the monthly maximum UV Index (UVI) for Bastos 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 Bastos typically reaches 8, which falls under the very high exposure category.

Data source: Bastos 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 Bastos Compares to Other Months

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

This table compares monthly weather conditions in Bastos, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	149 mm (5.9 inches)	84%	extreme
February Weather	26°C (79°F)	144 mm (5.7 inches)	81%	extreme
March Weather	26°C (79°F)	86 mm (3.4 inches)	81%	extreme
April Weather	24°C (76°F)	45 mm (1.8 inches)	75%	extreme
May Weather	22°C (71°F)	41 mm (1.6 inches)	68%	very high
June Weather	21°C (70°F)	25 mm (1.0 inches)	64%	high
July Weather	21°C (70°F)	6 mm (0.2 inches)	58%	high
August Weather	22°C (71°F)	45 mm (1.8 inches)	49%	very high
September Weather	26°C (79°F)	30 mm (1.2 inches)	47%	extreme
October Weather	26°C (78°F)	105 mm (4.1 inches)	44%	extreme
November Weather	26°C (79°F)	102 mm (4.0 inches)	68%	extreme
December Weather	26°C (79°F)	141 mm (5.5 inches)	82%	extreme