May Weather in Aljustrel, Portugal

Last updated: August 27, 2025

In Aljustrel, Portugal, the average temperature in May hovers around 19°C (67°F). Expect a range where the mercury could dip to a cool 6°C (42°F) or rise to a sizzling 36°C (98°F). During this month, the region experiences about 31 mm (1.2 in) of precipitation over 5 days, contributing to an average humidity level of 69%.

May Temperature in Aljustrel

In May in Aljustrel, the average temperature is 19°C (67°F). Maximum temperatures can reach 36°C (98°F), while minimums can drop to as low as 6°C (42°F). Be prepared for a wide range of weather conditions during your travels!

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

The chart illustrates May temperature patterns in Aljustrel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aljustrel, May typically has an average temperature of 19°C (67°F), with highs reaching up to 36°C (98°F) and lows dropping to around 6°C (42°F).

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

May Precipitation in Aljustrel

In Aljustrel in May, the precipitation amount is 31 mm (1.2 in) spread over 5 days.

May Precipitation Trends in Aljustrel

The chart displays monthly precipitation patterns in Aljustrel, 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 Aljustrel, May typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 5 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 Aljustrel

In Aljustrel in May, humidity is 69%. With an average temperature of 19°C (67°F), this humidity feels like a warm, tropical embrace, making travel feel both refreshing and slightly heavy, urging you to take leisurely pauses to savor the scenery.

May Average Humidity in Aljustrel

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

In Aljustrel 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 Aljustrel.

Maximum UV Index Levels in Aljustrel for May

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

Data source: Aljustrel 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 Aljustrel Compares to Other Months

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

This table compares monthly weather conditions in Aljustrel, 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)	24 mm (1.0 inches)	80%	moderate
February Weather	12°C (54°F)	45 mm (1.8 inches)	73%	moderate
March Weather	13°C (56°F)	77 mm (3.0 inches)	71%	high
April Weather	15°C (60°F)	65 mm (2.6 inches)	69%	very high
May Weather	19°C (67°F)	31 mm (1.2 inches)	69%	very high
June Weather	21°C (70°F)	10 mm (0.4 inches)	67%	extreme
July Weather	23°C (74°F)	3 mm (0.1 inches)	69%	extreme
August Weather	24°C (76°F)	2 mm (0.1 inches)	68%	very high
September Weather	23°C (73°F)	14 mm (0.6 inches)	71%	very high
October Weather	19°C (67°F)	43 mm (1.7 inches)	75%	high
November Weather	14°C (57°F)	52 mm (2.1 inches)	78%	moderate
December Weather	11°C (53°F)	40 mm (1.6 inches)	81%	moderate