May Weather in Sao Joao de Areias, Portugal

Last updated: August 27, 2025

In May, the average temperature in Sao Joao de Areias, Portugal hovers around 16°C (62°F), with a minimum dipping to 3°C (37°F) and a maximum reaching 31°C (89°F). Expect about 53 mm (2.1 in) of precipitation over 8 days, and enjoy the relatively high average humidity of 78%.

May Temperature in Sao Joao de Areias

In May in Sao Joao de Areias, the average temperature is 16°C (62°F). The maximum can reach 31°C (89°F) and the minimum can be as low as 3°C (37°F). Be prepared for a range of weather conditions when traveling, so pack accordingly to enjoy your visit!

May Weather in Sao Joao de Areias: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Sao Joao de Areias, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Joao de Areias, May typically has an average temperature of 16°C (62°F), with highs reaching up to 31°C (89°F) and lows dropping to around 3°C (37°F).

Data source: Temperature data for Sao Joao de Areias generated using information from the Copernicus Climate Change Service.

May Precipitation in Sao Joao de Areias

In Sao Joao de Areias in May, the total precipitation amount is 53 mm (2.1 in) over the course of 8 days.

May Precipitation Trends in Sao Joao de Areias

The chart displays monthly precipitation patterns in Sao Joao de Areias, 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 Joao de Areias, May typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 8 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 Joao de Areias

In Sao Joao de Areias in May, humidity is 78%. With an average temperature of 16°C (62°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities enjoyable yet slightly sticky. Travelers may find the weather pleasantly mild, though they'll appreciate having light, breathable clothing on hand to stay comfortable while exploring.

May Average Humidity in Sao Joao de Areias

This chart illustrates the average monthly humidity levels in Sao Joao de Areias, 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 Joao de Areias is approximately 78%, 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 Joao de Areias

In Sao Joao de Areias in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Sao Joao de Areias.

Maximum UV Index Levels in Sao Joao de Areias for May

The chart shows the monthly maximum UV Index (UVI) for Sao Joao de Areias 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 Joao de Areias typically reaches 10, which falls under the very high exposure category.

Data source: Sao Joao de Areias 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 Joao de Areias Compares to Other Months

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

This table compares monthly weather conditions in Sao Joao de Areias, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (46°F)	73 mm (2.9 inches)	87%	moderate
February Weather	10°C (50°F)	112 mm (4.4 inches)	81%	moderate
March Weather	11°C (52°F)	136 mm (5.4 inches)	78%	high
April Weather	13°C (56°F)	126 mm (5.0 inches)	79%	very high
May Weather	16°C (62°F)	53 mm (2.1 inches)	78%	very high
June Weather	18°C (65°F)	36 mm (1.4 inches)	71%	extreme
July Weather	21°C (70°F)	10 mm (0.4 inches)	63%	very high
August Weather	21°C (71°F)	13 mm (0.5 inches)	64%	very high
September Weather	20°C (68°F)	37 mm (1.5 inches)	71%	very high
October Weather	16°C (61°F)	94 mm (3.7 inches)	79%	high
November Weather	11°C (52°F)	133 mm (5.2 inches)	86%	moderate
December Weather	9°C (49°F)	142 mm (5.6 inches)	87%	moderate