May Weather in Alpiarca, Portugal

Last updated: August 27, 2025

In May, the average temperature in Alpiarca, Portugal is a delightful 19°C (66°F). However, temperatures can vary widely, with a minimum of 6°C (43°F) and peaks reaching up to 37°C (98°F). Expect a moderate precipitation amount of 39 mm (1.5 in) spread over 5 days, accompanied by an average humidity level of 70%. Enjoy the diverse weather as you explore!

May Temperature in Alpiarca

In May in Alpiarca, the average temperature is 19°C (66°F). Maximum temperatures can reach up to 37°C (98°F), while the minimum can drop as low as 6°C (43°F). Be prepared for a diverse range of temperatures when planning your travels!

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

The chart illustrates May temperature patterns in Alpiarca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alpiarca, May typically has an average temperature of 19°C (66°F), with highs reaching up to 37°C (98°F) and lows dropping to around 6°C (43°F).

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

May Precipitation in Alpiarca

In Alpiarca in May, the precipitation amount is 39 mm (1.5 in) spread over a duration of 5 days.

May Precipitation Trends in Alpiarca

The chart displays monthly precipitation patterns in Alpiarca, 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 Alpiarca, May typically receives around 39 mm (1.5 inches) of precipitation spread over approximately 5 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 Alpiarca

In Alpiarca in May humidity is 70%. With an average temperature of 19°C (66°F), this humidity feels like a warm blanket enveloping you, making travel a bit sticky and prompting frequent breaks for water as you explore the sights.

May Average Humidity in Alpiarca

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

In Alpiarca 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 Alpiarca.

Maximum UV Index Levels in Alpiarca for May

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

Data source: Alpiarca 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 Alpiarca Compares to Other Months

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

This table compares monthly weather conditions in Alpiarca, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (49°F)	36 mm (1.4 inches)	85%	moderate
February Weather	12°C (54°F)	52 mm (2.0 inches)	75%	moderate
March Weather	13°C (56°F)	74 mm (2.9 inches)	72%	high
April Weather	15°C (60°F)	79 mm (3.1 inches)	70%	very high
May Weather	19°C (66°F)	39 mm (1.5 inches)	70%	very high
June Weather	20°C (69°F)	14 mm (0.6 inches)	63%	extreme
July Weather	23°C (73°F)	4 mm (0.1 inches)	60%	very high
August Weather	23°C (74°F)	6 mm (0.2 inches)	60%	very high
September Weather	22°C (72°F)	27 mm (1.1 inches)	67%	very high
October Weather	18°C (65°F)	51 mm (2.0 inches)	74%	high
November Weather	13°C (56°F)	84 mm (3.3 inches)	83%	moderate
December Weather	11°C (53°F)	55 mm (2.2 inches)	85%	moderate