Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
June verdict
Excellent for holiday weather
Average highs sit around 27°C, giving warm days by monthly-average standards. Sunshine averages 13h per day, so bright days are a strong part of the month. Rainfall averages 4mm, which is relatively low for holiday planning.

Monthly averages
Temp
27°C
Rain
4mm
Sun
13h
Sea
22°C
Weather score
89
Excellent
Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
Drier
Rainfall averages 4mm, which is relatively low for holiday planning.
Bright
Sunshine averages 13h per day, so bright days are a strong part of the month.
Swimmable
Sea temperatures average 22°C, which can work for swimming but may feel fresh.
Map
Compare Santorini, Greece with nearby places by weather score, rain, sun, temperature, and swim conditions.
June27°C average high
June is one of Santorini's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
June4mm average rain
June is one of Santorini's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsApril to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
June13 hours average sun
June is one of Santorini's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
June22°C average sea
June sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJuly to September
Sea temperatures are usually near 24°C in this stretch, so swimming comfort is at its strongest.
June89 weather score
June is one of Santorini's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.