May Weather in Sao Mateus do Maranhao, Brazil

Last updated: August 22, 2025

In May, the average temperature in Sao Mateus do Maranhao, Brazil hovers around 27°C (82°F). Expect a comfortable minimum of 22°C (73°F), with warm peaks reaching up to 34°C (94°F). However, be prepared for some rain, as 110 mm (4.3 in) of precipitation is spread over approximately 18 days, contributing to an average humidity of a humid 88%.

May Temperature in Sao Mateus do Maranhao

In May in Sao Mateus do Maranhao, the average temperature is 27°C (82°F). Maximums can reach 34°C (94°F), while minimums can drop to 22°C (73°F). This means travelers can expect warm and pleasant weather, perfect for exploring outdoor attractions.

May Weather in Sao Mateus do Maranhao: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Sao Mateus do Maranhao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Mateus do Maranhao, May typically has an average temperature of 27°C (82°F), with highs reaching up to 34°C (94°F) and lows dropping to around 22°C (73°F).

Data source: Temperature data for Sao Mateus do Maranhao generated using information from the Copernicus Climate Change Service.

May Precipitation in Sao Mateus do Maranhao

In Sao Mateus do Maranhao in May, the precipitation amount is 110 mm (4.3 in) over the course of 18 days.

May Precipitation Trends in Sao Mateus do Maranhao

The chart displays monthly precipitation patterns in Sao Mateus do Maranhao, 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 Sao Mateus do Maranhao, May typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 18 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 Sao Mateus do Maranhao

In Sao Mateus do Maranhao in May humidity is 88%. With an average temperature of 27°C (82°F), this humidity feels like a warm, enveloping blanket that can be quite discomforting for traveling, leaving you drenched in sweat and longing for a cool breeze.

May Average Humidity in Sao Mateus do Maranhao

This chart illustrates the average monthly humidity levels in Sao Mateus do Maranhao, 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 Sao Mateus do Maranhao is approximately 88%, 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 Sao Mateus do Maranhao

In Sao Mateus do Maranhao in May, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Sao Mateus do Maranhao.

Maximum UV Index Levels in Sao Mateus do Maranhao for May

The chart shows the monthly maximum UV Index (UVI) for Sao Mateus do Maranhao 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 Sao Mateus do Maranhao typically reaches 13, which falls under the extreme exposure category.

Data source: Sao Mateus do Maranhao 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 Sao Mateus do Maranhao Compares to Other Months

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

This table compares monthly weather conditions in Sao Mateus do Maranhao, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	243 mm (9.6 inches)	90%	extreme
February Weather	27°C (81°F)	290 mm (11.4 inches)	91%	extreme
March Weather	27°C (80°F)	365 mm (14.4 inches)	92%	extreme
April Weather	27°C (81°F)	279 mm (11.0 inches)	93%	extreme
May Weather	27°C (82°F)	110 mm (4.3 inches)	88%	extreme
June Weather	28°C (82°F)	29 mm (1.1 inches)	75%	extreme
July Weather	28°C (82°F)	17 mm (0.7 inches)	52%	extreme
August Weather	29°C (84°F)	6 mm (0.2 inches)	42%	extreme
September Weather	30°C (86°F)	6 mm (0.2 inches)	36%	extreme
October Weather	30°C (86°F)	20 mm (0.8 inches)	35%	extreme
November Weather	29°C (85°F)	77 mm (3.1 inches)	43%	extreme
December Weather	28°C (84°F)	111 mm (4.4 inches)	76%	extreme