May Weather in Aljezur, Portugal

Last updated: August 27, 2025

In May, the average temperature in Aljezur, Portugal hovers around 18°C (65°F), offering a pleasant climate for outdoor activities. Expect temperatures to range from a minimum of 9°C (49°F) to a maximum of 31°C (88°F), adding variety to your experience. With an average humidity of 69% and 20 mm (0.8 in) of precipitation spread over 4 days, pack accordingly to make the most of your visit!

May Temperature in Aljezur

In May in Aljezur, the average temperature is 18°C (65°F). Maximums can reach 31°C (88°F), while minimums can drop to as low as 9°C (49°F). This makes Aljezur an ideal destination for travelers seeking a mild climate with warm days and cooler evenings.

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

The chart illustrates May temperature patterns in Aljezur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aljezur, May typically has an average temperature of 18°C (65°F), with highs reaching up to 31°C (88°F) and lows dropping to around 9°C (49°F).

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

May Precipitation in Aljezur

In Aljezur in May, the total precipitation amount is 20 mm (0.8 in) spread over a period of 4 days.

May Precipitation Trends in Aljezur

The chart displays monthly precipitation patterns in Aljezur, 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 Aljezur, May typically receives around 20 mm (0.8 inches) of precipitation spread over approximately 4 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Aljezur

In Aljezur in May humidity is 69%. With an average temperature of 18°C (65°F), this humidity feels like a warm, damp blanket around you, making travel less comfortable and causing you to feel sticky and fatigued more quickly.

May Average Humidity in Aljezur

This chart illustrates the average monthly humidity levels in Aljezur, 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 Aljezur is approximately 69%, 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 Aljezur

In Aljezur 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 Aljezur.

Maximum UV Index Levels in Aljezur for May

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

Data source: Aljezur 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 Aljezur Compares to Other Months

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

This table compares monthly weather conditions in Aljezur, 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 (53°F)	27 mm (1.1 inches)	80%	moderate
February Weather	13°C (56°F)	45 mm (1.8 inches)	73%	moderate
March Weather	14°C (57°F)	75 mm (2.9 inches)	71%	high
April Weather	15°C (60°F)	58 mm (2.3 inches)	69%	very high
May Weather	18°C (65°F)	20 mm (0.8 inches)	69%	very high
June Weather	20°C (67°F)	8 mm (0.3 inches)	67%	extreme
July Weather	21°C (70°F)	3 mm (0.1 inches)	69%	very high
August Weather	22°C (72°F)	1 mm (0.0 inches)	68%	very high
September Weather	21°C (71°F)	7 mm (0.3 inches)	71%	very high
October Weather	19°C (66°F)	32 mm (1.3 inches)	75%	high
November Weather	15°C (59°F)	52 mm (2.1 inches)	78%	moderate
December Weather	13°C (56°F)	49 mm (1.9 inches)	81%	moderate