Mild
Average highs are around 23°C, so days are mild rather than hot.
May verdict
Santorini, Greece in May
Weather score71Very good
Very good for holiday weather
Average highs are around 23°C, so days are mild rather than hot. Sunshine averages 10h per day, so bright days are a strong part of the month. Rainfall averages 14mm, which is relatively low for holiday planning.
May weather
Monthly averages
Temp
23°C
Rain
14mm
Sun
10h
Sea
19°C
Weather score
71
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 14mm, which is relatively low for holiday planning.
Bright
Sunshine averages 10h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 19°C, so the water can feel cool.
Map
Weather map
Compare Santorini, Greece with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May23°C average high
May is close to Santorini's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
May14mm average rain
May sits on the drier side of Santorini's year, which helps with sightseeing and transfers.
Driest monthsApril to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May10 hours average sun
May sits close to Santorini's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May19°C average sea
May is below Santorini's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 24°C in this stretch, so swimming comfort is at its strongest.
Weather score
May71 weather score
May scores above Santorini's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
