Isla
Weather by month
Current –

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.

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).

Isla Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Isla - and find the best time to visit.

Best Places in Spain in May

Find out more about the weather in Spain and which places have the best travel conditions in this month. See all of Spain in May →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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

Isla 3-Day Forecast

Popular in May

Where to go in May - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.