Mild
Average highs are around 23°C, so days are mild rather than hot.
May verdict
Sifnos, Greece in May
Weather score73Very 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 13mm, which is relatively low for holiday planning.
May weather
Monthly averages
Temp
23°C
Rain
13mm
Sun
10h
Sea
19°C
Weather score
73
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 13mm, 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 Sifnos, Greece with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May23°C average high
May is close to Sifnos' 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
May13mm average rain
May sits on the drier side of Sifnos' 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 is brighter than Sifnos' yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May19°C average sea
May is below Sifnos' 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
May73 weather score
May scores above Sifnos' 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.
