May Weather in Alameda, Spain

Last updated: August 27, 2025

In May, the average temperature in Alameda, Spain hovers around 20°C (68°F). Expect a range between a crisp 4°C (40°F) and a warm 34°C (93°F). With an average humidity of 55%, you'll feel a touch of moisture in the air. Be prepared for a sprinkle, as precipitation is estimated at 18 mm (0.7 in) over the course of 3 days.

May Temperature in Alameda

In May in Alameda, the average temperature is 20°C (68°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 4°C (40°F). This variety in temperature makes it a great time for travelers to enjoy both outdoor activities and cozy indoor experiences.

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

The chart illustrates May temperature patterns in Alameda, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alameda, May typically has an average temperature of 20°C (68°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (40°F).

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

May Precipitation in Alameda

In Alameda in May, the precipitation amount is 18 mm (0.7 in) over a span of 3 days.

May Precipitation Trends in Alameda

The chart displays monthly precipitation patterns in Alameda, 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 Alameda, May typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 3 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 Alameda

In Alameda in May humidity is 55%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making it comfortable for traveling but slightly sticky, encouraging leisurely strolls and relaxed outdoor activities.

May Average Humidity in Alameda

This chart illustrates the average monthly humidity levels in Alameda, 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 Alameda is approximately 55%, 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 Alameda

In Alameda 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 Alameda.

Maximum UV Index Levels in Alameda for May

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

Data source: Alameda 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 Alameda Compares to Other Months

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

This table compares monthly weather conditions in Alameda, 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)	41 mm (1.6 inches)	76%	moderate
February Weather	12°C (53°F)	28 mm (1.1 inches)	71%	moderate
March Weather	13°C (56°F)	80 mm (3.2 inches)	66%	high
April Weather	15°C (60°F)	58 mm (2.3 inches)	58%	very high
May Weather	20°C (68°F)	18 mm (0.7 inches)	55%	very high
June Weather	23°C (75°F)	5 mm (0.2 inches)	50%	extreme
July Weather	27°C (81°F)	0 mm (0.0 inches)	55%	extreme
August Weather	27°C (82°F)	15 mm (0.6 inches)	54%	very high
September Weather	23°C (74°F)	30 mm (1.2 inches)	61%	very high
October Weather	19°C (66°F)	39 mm (1.6 inches)	70%	high
November Weather	13°C (56°F)	64 mm (2.5 inches)	76%	moderate
December Weather	11°C (52°F)	44 mm (1.7 inches)	79%	moderate