May Weather in Arronches, Portugal

Last updated: August 27, 2025

In Arronches, Portugal, the average temperature in May is a comfortable 19°C (67°F). However, you can expect a range with minimums dipping to 5°C (41°F) and maximums soaring up to 35°C (95°F). During this month, precipitation averages around 34 mm (1.3 in) spread over about 5 days, while the average humidity lingers at 62%.

May Temperature in Arronches

In May in Arronches, the average temperature is 19°C (67°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 5°C (41°F). It's advisable to pack both light clothing for the warm days and warmer layers for cooler evenings.

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

The chart illustrates May temperature patterns in Arronches, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arronches, May typically has an average temperature of 19°C (67°F), with highs reaching up to 35°C (95°F) and lows dropping to around 5°C (41°F).

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

May Precipitation in Arronches

In Arronches in May, the precipitation amount is 34 mm (1.3 in) over the course of 5 days.

May Precipitation Trends in Arronches

The chart displays monthly precipitation patterns in Arronches, 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 Arronches, May typically receives around 34 mm (1.3 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 Arronches

In Arronches in May humidity is 62%. With an average temperature of 19°C (67°F), this humidity feels like a warm embrace, making it pleasant for traveling, though you might want to stay hydrated and take occasional breaks in the shade to fully enjoy your adventures.

May Average Humidity in Arronches

This chart illustrates the average monthly humidity levels in Arronches, 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 Arronches is approximately 62%, 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 Arronches

In Arronches 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 Arronches.

Maximum UV Index Levels in Arronches for May

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

Data source: Arronches 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 Arronches Compares to Other Months

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

This table compares monthly weather conditions in Arronches, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	30 mm (1.2 inches)	87%	moderate
February Weather	11°C (52°F)	44 mm (1.7 inches)	76%	moderate
March Weather	12°C (54°F)	81 mm (3.2 inches)	68%	high
April Weather	15°C (58°F)	74 mm (2.9 inches)	64%	very high
May Weather	19°C (67°F)	34 mm (1.3 inches)	62%	very high
June Weather	22°C (72°F)	11 mm (0.4 inches)	47%	extreme
July Weather	25°C (77°F)	3 mm (0.1 inches)	46%	very high
August Weather	26°C (79°F)	4 mm (0.2 inches)	42%	very high
September Weather	23°C (74°F)	27 mm (1.0 inches)	53%	very high
October Weather	18°C (65°F)	46 mm (1.8 inches)	69%	high
November Weather	13°C (55°F)	67 mm (2.6 inches)	85%	moderate
December Weather	10°C (51°F)	61 mm (2.4 inches)	87%	moderate