May Weather in Penela, Portugal

Last updated: August 27, 2025

In May, the average temperature in Penela, Portugal is a comfortable 17°C (63°F), with minimums dipping to 5°C (41°F) and maximums soaring up to 33°C (92°F). Expect about 65 mm (2.6 in) of precipitation spread over 8 days, contributing to an average humidity of 70% that adds to the region's unique climate charm.

May Temperature in Penela

In May in Penela, the average temperature is 17°C (63°F). The maximum can reach 33°C (92°F), and the minimum can be as low as 5°C (41°F). This varied climate makes Penela an ideal destination for travelers seeking both warm days and cool evenings.

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

The chart illustrates May temperature patterns in Penela, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Penela, May typically has an average temperature of 17°C (63°F), with highs reaching up to 33°C (92°F) and lows dropping to around 5°C (41°F).

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

May Precipitation in Penela

In Penela in May, the total precipitation amount is 65 mm (2.6 in) spread over the course of 8 days.

May Precipitation Trends in Penela

The chart displays monthly precipitation patterns in Penela, 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 Penela, May typically receives around 65 mm (2.6 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 Penela

In Penela 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 Penela

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

In Penela 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 Penela.

Maximum UV Index Levels in Penela for May

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

Data source: Penela 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 Penela Compares to Other Months

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

This table compares monthly weather conditions in Penela, 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)	63 mm (2.5 inches)	85%	moderate
February Weather	11°C (52°F)	88 mm (3.5 inches)	75%	moderate
March Weather	12°C (54°F)	121 mm (4.8 inches)	72%	high
April Weather	14°C (57°F)	123 mm (4.8 inches)	70%	very high
May Weather	17°C (63°F)	65 mm (2.6 inches)	70%	very high
June Weather	18°C (65°F)	33 mm (1.3 inches)	63%	extreme
July Weather	20°C (69°F)	10 mm (0.4 inches)	60%	very high
August Weather	21°C (70°F)	10 mm (0.4 inches)	60%	very high
September Weather	20°C (68°F)	40 mm (1.6 inches)	67%	very high
October Weather	17°C (62°F)	98 mm (3.9 inches)	74%	high
November Weather	12°C (54°F)	127 mm (5.0 inches)	83%	moderate
December Weather	11°C (51°F)	115 mm (4.5 inches)	85%	moderate