Isla Weather in May

Isla in May sees pleasant daytime temperatures of 19°C (66°F) and nighttime lows of 13°C (55°F). Rainfall is fairly high this month at around 87 mm (3.4 in), so pack a rain jacket to stay dry.

Rainfall in Isla in May

Climate statistics over the past 30 years suggest around 16 days of rain, with 87 mm (3.4 in) average for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Isla in May

Expect highs of 19°C (66°F) in Isla in May, with nights dropping to around 13°C (55°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to around 13°C (55°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Isla in May

Expect a lot of sunshine this month, with about 210 hours of sun. These sunny conditions add to the overall experience.

Wind Speed in Isla in May

Wind speeds average 3 m/s (6 knots) during May. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.

Average water temperature in May

The water is 14°C (57°F) this month, cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.

For Isla itself, June, July, August and September generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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

Isla Temperature in May

Min Temperature 13°C (55°F)  

Max Temperature 19°C (66°F)  

Water Temperature 14°C (57°F) *  

Chance of Rain 53%  

Precipitation 87 mm (3.4 in)  

Rainy days 16 days  

Humidity 75% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 210 hours *  

Percentage Sunshine *  

* Data from: Santander, Spain (20 KM, 12 Miles).

What to Wear in Isla in May

Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. With water temperatures around 14°C (57°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Isla in May

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

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 Isla's climate page.

More climate data for Isla

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Isla climate overview or explore weather in Spain.