Skiathos weather

Our guide to the weather in Skiathos during May

20

Average high

6

UV Index

71mm

Monthly rainfall

19

Sea temperature

Skiathos, Greece is a beautiful island destination with plenty of sunshine and a range of activities to enjoy in May. We've looked at the most up-to-date weather data for Skiathos, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Skiathos weather in May.

How warm is it in Skiathos during May?

The temperature is extremely stable in May with average highs of 20℃ and lows just 3℃ lower at 18℃. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in Skiathos during May?

On average, there will be 3 rainy days during the month, amounting to 70.7mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Skiathos during May?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during May. With moderate humidity and mild air temperatures, the breeze will have a slight cooling effect.

How warm is the sea in Skiathos during May?

The water around Skiathos is around 19℃ during May. It will feel a little on the cool when first entering, but you'll warm up quickly. Most kids will have no problem with this temperature, but those who feel the cold are unlikely to want to swim.

Holidays in Skiathos

Holiday deals you might be interested in

...
Save 34%

FROM £537pp | Alonissos: Greek Island week over May Bank Holiday w/flights - 34% OFF

From £537pp, you'll get flights, luggage, transfers and a week at a well-rated hotel with daily breakfast - and all of it over the first May Bank Holiday! It's cheapest to fly from Birmingham, but other airports are available for a supplement. Part of the Northern Sporades, lesser-known Alonissos is a sister island to Skiathos and Skopelos = less tourists = PERFECT!!

...

Skiathos: 7-night Mamma Mia island week with flights

£473pp

Breakfast • Flights

7-nights • May

...

Skiathos: deluxe island escape w/luggage, flights & transfers

£753pp

Breakfast • Flights

7-nights • September

...

Skiathos: family-run apartments w/infinity pool & fab views inc. flights

£651pp

Self catering • Flights

7-nights • September

...

Skiathos: Stunning stay at seafront resort w/luggage, flights & transfers

£711pp

Breakfast • Flights

7-nights • September

...

10 nights in Halkidiki for UNDER £280 per person

£279pp

Self catering • Flights

10-nights • October

...
Save 54%

7-night Mamma Mia! Island holiday with flights

£318pp

Self catering • Flights

7-nights • May

...

Skiathos: Deluxe week with luggage, flights + transfers

Breakfast • Flights

Join the club...

Be the first to hear about discounted holidays, flash sales and amazing travel competitions to Skiathos!

Skiathos Blog posts

From the UK's most popular travel bloggers

...

10 Very Best Things to Do in Skiathos

27th February 2023 by Hand Luggage Only

Sitting just off the coast of mainland Greece, Skiathos is a stunning Greek island that is well worth a visit. With its picturesque whitewashed towns, stunning bays and breathtaking views, it is easy to see why this Aegean Sea gem is so popular. With so many incredible places to explore, it can be difficult to decide which of the island's attractions to visit first....

Weather in Skiathos

Our month-by-month guide to the weather and climate in Skiathos

11.5

Skiathos weather in

January
12.5

Skiathos weather in

February
13.7

Skiathos weather in

March
15.9

Skiathos weather in

April
20.2

Skiathos weather in

May
24.2

Skiathos weather in

June
26.7

Skiathos weather in

July
27.0

Skiathos weather in

August
24.2

Skiathos weather in

September
19.9

Skiathos weather in

October
16.9

Skiathos weather in

November
13.4

Skiathos weather in

December