Castro-Urdiales Weather in May

May in Castro-Urdiales brings pleasant temperatures, with highs of 18°C (64°F) and nights dropping to 12°C (54°F). Rainfall is on the higher side this month, averaging around 88 mm (3.5 in), so keep a rain jacket handy.

Rainfall in Castro-Urdiales in May

Historically, approximately 16 days this month are expected to have rain, averaging 88 mm (3.5 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Castro-Urdiales in May

Expect highs of 18°C (64°F) in Castro-Urdiales in May, with nights dropping to around 12°C (54°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights cool down to 12°C (54°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Castro-Urdiales in May

The month experiences a moderate amount of sunlight, with 168 hours of sunshine. This provides a nice balance between sunshine and clouds.

If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Castro-Urdiales.

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For a detailed overview over the year and the best time to visit Spain, check out our Castro-Urdiales's climate page.

Castro-Urdiales Temperature in May

Min Temperature 12°C (54°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 53%  

Precipitation 88 mm (3.5 in)  

Rainy days 16 days  

Humidity 69% *  

Sunshine 168 hours *  

Percentage Sunshine *  

* Data from: Bilbao, Spain (26 KM, 16 Miles).

What to Wear in Castro-Urdiales in May

Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Castro-Urdiales in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Spain, check out our Castro-Urdiales's climate page.

More climate data for Castro-Urdiales

Temperature Rainfall Sunshine Humidity

See the full Castro-Urdiales climate overview or explore weather in Spain.