Santorini · May
Low seasonGreece · Europe
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MAXMAX | 15° | 16° | 17° | 20° | 24° | 28° | 31° | 31° | 28° | 24° | 20° | 17° |
MINMIN | 11° | 11° | 12° | 14° | 17° | 22° | 24° | 25° | 22° | 18° | 15° | 12° |
☀️Sunshine | 5h | 6h | 8h | 9h | 10h | 12h | 12h | 11h | 10h | 8h | 6h | 5h |
🌊Water Temp | 17° | 17° | 17° | 18° | 20° | 23° | 25° | 26° | 25° | 23° | 21° | 19° |
🌧Rain Days | 5d45mm | 4d33mm | 2d17mm | 1d7mm | 0d3mm | 0d1mm | 0d0mm | 0d0mm | 0d2mm | 1d8mm | 2d20mm | 4d39mm |
Best travel time current monthMonthly averages 2005–2025 · Source: ERA5 + station data
Still off-season — flights and hotels significantly cheaper than in June.
May is an acceptable travel month for Santorini — conditions are fine, though June, July, August, and September offer even better weather.
Daytime temperatures reach up to 23°C, cooling to 17°C at night (daily average: 20°C). With 10 sunshine hours per day, May is one of the sunniest months — 3 mm of rain over 0 days. The sea is 20°C — refreshing and manageable for confident swimmers.
A jacket for cool evenings should not be left behind. Sightseeing and excursions can be enjoyed at this time of year without the heat.
Frühling und früher Sommer: Der Sonnenuntergang von Oia zieht 20 Zuschauer statt 2.000, die vulkanischen Kieselstrände von Kamari und Perissa wärmen sich auf. Beste Zeit für den Wanderweg zwischen Fira und Oia.
Packing list for Santorini in May
- T-Shirts und kurze Hosen
- Badezeug (Wasser ist noch etwas frisch)
- Sonnencreme LSF 50
- Sonnenbrille
- Sonnenhut
- Reiseapotheke
Frequently Asked Questions
- Is May a good time to visit Santorini?
- May is not an optimal month for Santorini (Score: 88/100), but it is manageable. For better conditions, consider June, July, August, and September.
- How warm is it in Santorini in May?
- In May, Santorini sees daily highs of 23°C. Nights cool to 17°C, with a daily average of 20°C.
- How much rain falls in Santorini in May?
- In May, Santorini receives an average of 3 mm of rain over 0 rain days. That is comparatively dry.
- How many sunshine hours does Santorini get in May?
- Santorini averages 10 sunshine hours per day in May — above the annual average.
- How warm is the water in Santorini in May?
- Water temperature in Santorini in May averages 20°C — refreshing but slightly cool for sensitive swimmers.
