May Weather in Alella, Spain

Last updated: August 27, 2025

In May, the average temperature in Alella, Spain is a pleasant 17°C (63°F), with variations ranging from a cool 7°C (44°F) to a warm 30°C (86°F). Expect some rain, as the area receives about 49 mm (1.9 in) of precipitation over 9 days. With an average humidity of 66%, the climate is comfortably mild, making it an ideal time to explore the region.

May Temperature in Alella

In May in Alella, the average temperature is 17°C (63°F). Maximum temperatures can reach 30°C (86°F), while the minimum can dip as low as 7°C (44°F). This pleasant climate makes it an ideal destination for travelers looking to enjoy mild weather and diverse activities.

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

The chart illustrates May temperature patterns in Alella, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alella, May typically has an average temperature of 17°C (63°F), with highs reaching up to 30°C (86°F) and lows dropping to around 7°C (44°F).

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

May Precipitation in Alella

In Alella in May, the total precipitation amount is 49 mm (1.9 in) spread over 9 days.

May Precipitation Trends in Alella

The chart displays monthly precipitation patterns in Alella, 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 Alella, May typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 9 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 Alella

In Alella in May, humidity is 66%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making travel refreshing yet slightly muggy, perfect for leisurely strolls or picturesque outdoor explorations, but travelers should be prepared for occasional discomfort as they navigate the vibrant sights.

May Average Humidity in Alella

This chart illustrates the average monthly humidity levels in Alella, 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 Alella is approximately 66%, 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 Alella

In Alella in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Alella.

Maximum UV Index Levels in Alella for May

The chart shows the monthly maximum UV Index (UVI) for Alella 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 Alella typically reaches 8, which falls under the very high exposure category.

Data source: Alella 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 Alella Compares to Other Months

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

This table compares monthly weather conditions in Alella, 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)	56 mm (2.2 inches)	79%	moderate
February Weather	10°C (51°F)	46 mm (1.8 inches)	74%	moderate
March Weather	11°C (53°F)	47 mm (1.8 inches)	71%	moderate
April Weather	13°C (56°F)	71 mm (2.8 inches)	69%	high
May Weather	17°C (63°F)	49 mm (1.9 inches)	66%	very high
June Weather	21°C (71°F)	26 mm (1.0 inches)	65%	very high
July Weather	24°C (76°F)	35 mm (1.4 inches)	64%	very high
August Weather	25°C (77°F)	37 mm (1.4 inches)	64%	very high
September Weather	22°C (71°F)	81 mm (3.2 inches)	68%	high
October Weather	18°C (64°F)	121 mm (4.7 inches)	77%	high
November Weather	13°C (55°F)	67 mm (2.6 inches)	79%	moderate
December Weather	10°C (50°F)	30 mm (1.2 inches)	79%	low