Warm in May
25°C average high
avg high · 15° at night
25°C+ on 5 in 10 days
Greece
Skiathos weather in May
Is it warm? Mostly. May in Skiathos is mild: afternoons average 23°C and nights 16°C. Most days (80%) peak between 20°C and 26°C.
Mild · average high
23°C
25°C or more on about two in ten days; 20°C or more on about nine in ten days.
- Average low16°overnight
- Sea18°average, 2022–2025
- Rainy days442 mm in the month
- SkySome cloud40% cloud · 44% clear days
How warm it really gets
Every May afternoon from 2011–2025: 465 days. Most (80%) peaked between 20° and 26°.
May, year by year
The average May high in each year. The warmest, 2013, averaged 25°C; the coolest, 2023, 21°C.
Compared with home
Average May highs. Expect rain on about 4 days (42 mm in a typical month).
- Skiathos23°
- London19°
- Glasgow17°
- Manchester16°
- Cork16°
- Belfast16°
- Dublin16°
Warmer in May, not much further
Flying times are estimates from Dublin; Skiathos is about 3h 45m.
Warm in May
25°C average high
avg high · 16° at night
25°C+ on 5 in 10 days
Mild in May
24°C average high
avg high · 15° at night
25°C+ on 4 in 10 days
Air: Copernicus ERA5-Land, 2011–2025, matched to the official averages for Skiathos airport. Sea: Copernicus ERA5, 2022–2025. Rainy days = days with 1 mm of rain or more, as weather stations count them. Clear day = average cloud cover of 30% or less. These are averages of past weather, not a forecast. Methodology