SeasonMapSkiathos weather in May
Greece
May in Skiathos: nice, a little rain, with clean air — an excellent time to visit.
#6 of 12 months in Skiathos · #739 of 1383 destinations to visit in May · comfort 80/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Skiathos in May
Other months in Skiathos
Skiathos's forum calls July hot and mostly dry, daily highs in the high 20s°C easing only into the mid-20s after dark, with any rain arriving in short, sporadic bursts rather than washing out a day. Regulars flag the UV as genuinely strong — sun protection isn't optional — and credit the sea breeze with making al fresco dinners and beach afternoons bearable during what's both the hottest and busiest month.
Add your own note from Skiathos's card on the map.
Skiathos climate normals — May
| Daytime high | 19°C / 67°F | 😎 nice |
|---|---|---|
| Nighttime low | 17°C / 63°F | |
| Feels like (high) | 20°C / 68°F | |
| Sea temperature | 17°C / 63°F | 🧊 bracing |
| Rainfall | 33 mm / 1.3 in | 🌦 some rain |
| Rainy days | 5 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 14°C / 58°F | |
| Sunshine | 12.2 h/day | |
| Daylight | 14.3 h | |
| Wind | 24 km/h / 15 mph | |
| Air quality (US AQI) | 50 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Skiathos in May
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonschool holidays in 4 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Skiathos's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherSkiathos's weather peaks June–August, best around July.
Best weatherFair weatherToughest weather
What's on in Skiathos in May
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Opening
Rooms and boats open up
20 Apr – 31 May · usuallySummer season opensHotels, the Koukounaries beach bars and the caiques round to Lalaria all restart through May, as do the charter flights that make up most of the island's arrivals. Source ↗
Nearby, and something's on
Within 300 km of Skiathos — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Skiathos?
Skiathos in May — FAQ
- Is May a good time to visit Skiathos?
- May in Skiathos: nice, a little rain, with clean air — an excellent time to visit. It ranks #6 of 12 months for Skiathos on SeasonMap's comfort score (80/100).
- What is the weather like in Skiathos in May?
- In May, Skiathos averages a daily high of 19.4°C and a low of 17.4°C, with about 33.2 mm of rain over roughly 5.1 rainy days.
- What is the air quality in Skiathos in May?
- Skiathos has a mean US Air Quality Index of about 50 in May.
Other months in Skiathos
Compare Skiathos in May
Warmer or cooler than Skiathos in May
Similar destinations in Southern Europe — May
Within 300 km: Kalabaka's Spring on the rocks around 1 Apr – 31 May, and Mykonos' Beach clubs open around 20 Apr – 1 Jun.