May Weather in Silveira, Portugal

Last updated: August 27, 2025

In May, the average temperature in Silveira, Portugal is a pleasant 17°C (63°F). You can expect a minimum of 9°C (49°F) and a maximum of 32°C (89°F) during this time. With an average humidity level of 70%, it’s a great opportunity to enjoy the outdoors, although keep in mind the 42 mm (1.7 in) of precipitation spread over 4 days.

May Temperature in Silveira

In May in Silveira, the average temperature is 17°C (63°F). Maximum temperatures can reach 32°C (89°F), while minimums can dip as low as 9°C (49°F). It's a great time for travelers to enjoy mild weather and comfortable conditions for outdoor activities.

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

The chart illustrates May temperature patterns in Silveira, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Silveira, May typically has an average temperature of 17°C (63°F), with highs reaching up to 32°C (89°F) and lows dropping to around 9°C (49°F).

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

May Precipitation in Silveira

In Silveira in May, the precipitation amount is 42 mm (1.7 in) distributed over a span of 4 days.

May Precipitation Trends in Silveira

The chart displays monthly precipitation patterns in Silveira, 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 Silveira, May typically receives around 42 mm (1.7 inches) of precipitation spread over approximately 4 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 Silveira

In Silveira in May humidity is 70%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making travel both refreshing and slightly sticky, as you navigate the air thick with moisture.

May Average Humidity in Silveira

This chart illustrates the average monthly humidity levels in Silveira, 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 Silveira is approximately 70%, 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 Silveira

In Silveira 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 Silveira.

Maximum UV Index Levels in Silveira for May

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

Data source: Silveira 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 Silveira Compares to Other Months

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

This table compares monthly weather conditions in Silveira, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	42 mm (1.6 inches)	85%	moderate
February Weather	12°C (55°F)	55 mm (2.2 inches)	75%	moderate
March Weather	13°C (56°F)	70 mm (2.8 inches)	72%	high
April Weather	14°C (58°F)	82 mm (3.2 inches)	70%	very high
May Weather	17°C (63°F)	42 mm (1.7 inches)	70%	very high
June Weather	18°C (65°F)	14 mm (0.5 inches)	63%	extreme
July Weather	20°C (68°F)	6 mm (0.3 inches)	60%	very high
August Weather	20°C (69°F)	4 mm (0.2 inches)	60%	very high
September Weather	20°C (68°F)	30 mm (1.2 inches)	67%	very high
October Weather	18°C (64°F)	53 mm (2.1 inches)	74%	high
November Weather	14°C (58°F)	88 mm (3.5 inches)	83%	moderate
December Weather	13°C (55°F)	68 mm (2.7 inches)	85%	moderate