May Weather in Alvaiazere, Portugal

Last updated: August 27, 2025

In May, the average temperature in Alvaiazere, Portugal is a pleasant 17°C (63°F). You can expect minimum temperatures to dip to 5°C (41°F), while highs can reach up to a warm 34°C (93°F). During the month, there is an average precipitation of 60 mm (2.4 in) spread over 8 days, contributing to an average humidity of 70%.

May Temperature in Alvaiazere

In May in Alvaiazere, the average temperature is 17°C (63°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop to as low as 5°C (41°F). It's a good time to pack layers and enjoy a mix of warm and cool weather for your travels.

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

The chart illustrates May temperature patterns in Alvaiazere, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alvaiazere, May typically has an average temperature of 17°C (63°F), with highs reaching up to 34°C (93°F) and lows dropping to around 5°C (41°F).

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

May Precipitation in Alvaiazere

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

May Precipitation Trends in Alvaiazere

The chart displays monthly precipitation patterns in Alvaiazere, 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 Alvaiazere, 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 Alvaiazere

In Alvaiazere 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 Alvaiazere

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

In Alvaiazere 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 Alvaiazere.

Maximum UV Index Levels in Alvaiazere for May

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

Data source: Alvaiazere 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 Alvaiazere Compares to Other Months

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

This table compares monthly weather conditions in Alvaiazere, 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 (48°F)	55 mm (2.2 inches)	85%	moderate
February Weather	11°C (52°F)	74 mm (2.9 inches)	75%	moderate
March Weather	12°C (54°F)	112 mm (4.4 inches)	72%	high
April Weather	14°C (57°F)	112 mm (4.4 inches)	70%	very high
May Weather	17°C (63°F)	60 mm (2.4 inches)	70%	very high
June Weather	19°C (66°F)	25 mm (1.0 inches)	63%	extreme
July Weather	21°C (70°F)	7 mm (0.3 inches)	60%	very high
August Weather	21°C (70°F)	9 mm (0.3 inches)	60%	very high
September Weather	20°C (69°F)	39 mm (1.5 inches)	67%	very high
October Weather	17°C (63°F)	83 mm (3.3 inches)	74%	high
November Weather	12°C (55°F)	111 mm (4.4 inches)	83%	moderate
December Weather	11°C (52°F)	93 mm (3.7 inches)	85%	moderate