Hot in Jun
29°C average high
avg high · 20° at night
25°C+ on 9 in 10 days
Greece
Is it warm? Yes. June in Santorini is hot: afternoons average 28°C and nights 21°C. Most days (80%) peak between 26°C and 30°C.
Hot · average high
28°C
25°C or more on almost every day.
Every June afternoon from 2011–2025: 450 days. Most (80%) peaked between 26° and 30°.
The average June high in each year. The warmest, 2024, averaged 30°C; the coolest, 2020, 27°C.
Average June highs. Rain is rare: less than one wet day in a typical month.
Flying times are estimates from Dublin; Santorini is about 4h 15m.
Hot in Jun
29°C average high
avg high · 20° at night
25°C+ on 9 in 10 days
Very hot in Jun
33°C average high
avg high · 19° at night
25°C+ on almost every day · often 35°C+
Hot in Jun
30°C average high
avg high · 17° at night
25°C+ on 9 in 10 days
Air: Copernicus ERA5-Land, 2011–2025, matched to the official averages for Santorini 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