May Weather in Rua, Portugal

Last updated: August 27, 2025

The average temperature in Rua, Portugal for the month of May is 16°C (61°F). Expect a wide range, with minimums dipping to 1°C (35°F) and maximums soaring to 32°C (90°F). During this period, the area receives about 34 mm (1.3 in) of precipitation over 7 days, contributing to an average humidity of 78%.

May Temperature in Rua

In May in Rua, the average temperature is 16°C (61°F). Maximum temperatures can reach up to 32°C (90°F), while minimums can drop as low as 1°C (35°F). Be prepared for a wide range of temperatures when traveling during this time!

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

The chart illustrates May temperature patterns in Rua, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rua, May typically has an average temperature of 16°C (61°F), with highs reaching up to 32°C (90°F) and lows dropping to around 1°C (35°F).

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

May Precipitation in Rua

In Rua in May, the total precipitation amount is 34 mm (1.3 in) over the course of 7 days.

May Precipitation Trends in Rua

The chart displays monthly precipitation patterns in Rua, 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 Rua, May typically receives around 34 mm (1.3 inches) of precipitation spread over approximately 7 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 Rua

In Rua in May, humidity is 78%. With an average temperature of 16°C (61°F), this humidity feels like a warm, sticky embrace, making travel somewhat uncomfortable as it clings to your skin and creates a heavy atmosphere that can drain your energy.

May Average Humidity in Rua

This chart illustrates the average monthly humidity levels in Rua, 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 Rua is approximately 78%, 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 Rua

In Rua 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 Rua.

Maximum UV Index Levels in Rua for May

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

Data source: Rua 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 Rua Compares to Other Months

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

This table compares monthly weather conditions in Rua, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	34 mm (1.3 inches)	87%	moderate
February Weather	8°C (47°F)	69 mm (2.7 inches)	81%	moderate
March Weather	10°C (49°F)	79 mm (3.1 inches)	78%	high
April Weather	12°C (54°F)	85 mm (3.4 inches)	79%	very high
May Weather	16°C (61°F)	34 mm (1.3 inches)	78%	very high
June Weather	18°C (65°F)	37 mm (1.5 inches)	71%	extreme
July Weather	21°C (70°F)	17 mm (0.7 inches)	63%	very high
August Weather	21°C (70°F)	14 mm (0.6 inches)	64%	very high
September Weather	19°C (66°F)	37 mm (1.5 inches)	71%	very high
October Weather	15°C (59°F)	59 mm (2.3 inches)	79%	high
November Weather	9°C (49°F)	72 mm (2.8 inches)	86%	moderate
December Weather	7°C (45°F)	85 mm (3.3 inches)	87%	low