May Weather in Prior Velho, Portugal

Last updated: August 27, 2025

In May, the average temperature in Prior Velho, Portugal is a pleasant 18°C (65°F). While the minimum can dip to 8°C (47°F), you might also experience highs of 35°C (96°F). During this time, expect about 38 mm (1.5 in) of precipitation spread over 5 days, along with an average humidity of 70%.

May Temperature in Prior Velho

In May in Prior Velho, the average temperature is 18°C (65°F). Maximum temperatures can reach 35°C (96°F), while minimums can drop as low as 8°C (47°F). This variability makes it essential for travelers to pack both light clothing for the warmth and warmer layers for the cooler evenings.

May Weather in Prior Velho: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Prior Velho, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Prior Velho, May typically has an average temperature of 18°C (65°F), with highs reaching up to 35°C (96°F) and lows dropping to around 8°C (47°F).

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

May Precipitation in Prior Velho

In Prior Velho in May, the total precipitation amount is 38 mm (1.5 in) spread over a duration of 5 days.

May Precipitation Trends in Prior Velho

The chart displays monthly precipitation patterns in Prior Velho, 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 Prior Velho, May typically receives around 38 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.

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Millimeters (mm) Inches (in)

May Humidity in Prior Velho

In Prior Velho in May humidity is 70%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making it quite comfortable for traveling, though it can leave you feeling slightly sticky if you're on the move for too long.

May Average Humidity in Prior Velho

This chart illustrates the average monthly humidity levels in Prior Velho, 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 Prior Velho 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 Prior Velho

In Prior Velho 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 Prior Velho.

Maximum UV Index Levels in Prior Velho for May

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

Data source: Prior Velho 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 Prior Velho Compares to Other Months

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

This table compares monthly weather conditions in Prior Velho, 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 (51°F)	33 mm (1.3 inches)	85%	moderate
February Weather	12°C (55°F)	50 mm (2.0 inches)	75%	moderate
March Weather	14°C (57°F)	68 mm (2.7 inches)	72%	high
April Weather	15°C (59°F)	72 mm (2.8 inches)	70%	very high
May Weather	18°C (65°F)	38 mm (1.5 inches)	70%	very high
June Weather	20°C (68°F)	10 mm (0.4 inches)	63%	extreme
July Weather	22°C (71°F)	5 mm (0.2 inches)	60%	very high
August Weather	22°C (72°F)	3 mm (0.1 inches)	60%	very high
September Weather	21°C (71°F)	24 mm (0.9 inches)	67%	very high
October Weather	19°C (66°F)	42 mm (1.7 inches)	74%	high
November Weather	14°C (58°F)	74 mm (2.9 inches)	83%	moderate
December Weather	12°C (54°F)	55 mm (2.2 inches)	85%	moderate