May Weather in Sangalhos, Portugal

Last updated: August 27, 2025

The average temperature in Sangalhos, Portugal during May is a comfortable 17°C (64°F), making it a pleasant time to visit. Expect temperatures to range from a cool 5°C (42°F) to a warm 33°C (92°F). You'll likely experience some rainfall, with 60 mm (2.4 in) likely over 8 days, while the air remains 78% humid, so be prepared for some mugginess!

May Temperature in Sangalhos

In May in Sangalhos, the average temperature is 17°C (64°F). Maximums can reach 33°C (92°F), and minimums can be as low as 5°C (42°F). It's the perfect time for travelers to enjoy mild weather while exploring the region.

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

The chart illustrates May temperature patterns in Sangalhos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sangalhos, May typically has an average temperature of 17°C (64°F), with highs reaching up to 33°C (92°F) and lows dropping to around 5°C (42°F).

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

May Precipitation in Sangalhos

In Sangalhos in May, the total precipitation amount is 60 mm (2.4 in) spread over the course of 8 days.

May Precipitation Trends in Sangalhos

The chart displays monthly precipitation patterns in Sangalhos, 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 Sangalhos, May typically receives around 60 mm (2.4 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 Sangalhos

In Sangalhos in May humidity is 78%. With average temperature 17°C (64°F), this humidity feels like a warm embrace, making travel feel sticky and heavy, as the air wraps around you and the moments spent outdoors leave you longing for a cool respite.

May Average Humidity in Sangalhos

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

In Sangalhos 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 Sangalhos.

Maximum UV Index Levels in Sangalhos for May

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

Data source: Sangalhos 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 Sangalhos Compares to Other Months

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

This table compares monthly weather conditions in Sangalhos, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	70 mm (2.7 inches)	87%	moderate
February Weather	11°C (53°F)	101 mm (4.0 inches)	81%	moderate
March Weather	12°C (55°F)	121 mm (4.8 inches)	78%	high
April Weather	14°C (58°F)	121 mm (4.8 inches)	79%	very high
May Weather	17°C (64°F)	60 mm (2.4 inches)	78%	very high
June Weather	19°C (66°F)	35 mm (1.4 inches)	71%	extreme
July Weather	21°C (70°F)	11 mm (0.4 inches)	63%	very high
August Weather	21°C (70°F)	12 mm (0.5 inches)	64%	very high
September Weather	20°C (69°F)	37 mm (1.4 inches)	71%	very high
October Weather	17°C (63°F)	94 mm (3.7 inches)	79%	high
November Weather	13°C (55°F)	133 mm (5.3 inches)	86%	moderate
December Weather	11°C (52°F)	135 mm (5.3 inches)	87%	low