May Weather in Serra, Brazil

Last updated: August 22, 2025

In May, the average temperature in Serra, Brazil is a pleasant 23°C (74°F), with a minimum of 18°C (65°F) and a maximum reaching 29°C (85°F). Visitors can expect an average of 87 mm (3.4 in) of precipitation over 12 days, contributing to a humidity level of 82%.

May Temperature in Serra

In May in Serra, the average temperature is 23°C (74°F). The maximum can reach 29°C (85°F) while the minimum can be as low as 18°C (65°F). This pleasant weather makes Serra an ideal destination for outdoor activities and exploration during this time of year.

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

The chart illustrates May temperature patterns in Serra, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Serra, May typically has an average temperature of 23°C (74°F), with highs reaching up to 29°C (85°F) and lows dropping to around 18°C (65°F).

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

May Precipitation in Serra

In Serra in May, the precipitation amount is 87 mm (3.4 in) over the course of 12 days.

May Precipitation Trends in Serra

The chart displays monthly precipitation patterns in Serra, 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 Serra, May typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 12 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 Serra

In Serra in May, humidity is 82%. With an average temperature of 23°C (74°F), this humidity feels like you are walking through a warm, damp blanket, making travel a bit uncomfortable and sticky as you navigate the air thick with moisture.

May Average Humidity in Serra

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

In Serra 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 Serra.

Maximum UV Index Levels in Serra for May

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

Data source: Serra 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 Serra Compares to Other Months

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

This table compares monthly weather conditions in Serra, 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)	64 mm (2.5 inches)	80%	extreme
February Weather	26°C (79°F)	134 mm (5.3 inches)	85%	extreme
March Weather	26°C (79°F)	99 mm (3.9 inches)	86%	extreme
April Weather	25°C (77°F)	101 mm (4.0 inches)	85%	extreme
May Weather	23°C (74°F)	87 mm (3.4 inches)	82%	very high
June Weather	23°C (73°F)	42 mm (1.6 inches)	81%	high
July Weather	22°C (71°F)	36 mm (1.4 inches)	79%	very high
August Weather	22°C (71°F)	55 mm (2.2 inches)	75%	very high
September Weather	23°C (73°F)	56 mm (2.2 inches)	72%	extreme
October Weather	24°C (75°F)	117 mm (4.6 inches)	66%	extreme
November Weather	24°C (75°F)	183 mm (7.2 inches)	69%	extreme
December Weather	25°C (77°F)	146 mm (5.8 inches)	72%	extreme