Month-by-month travel weather
Santorini May weather
Santorini, Greece · May
Great for caldera walks, outdoor dining, and early sea days
May is often a high-comfort month in Santorini: walkable temperatures, great light, and less oppressive heat than mid-summer.
Sun strength increases and evenings can still be breezy—packing a thin layer keeps comfort stable.
May averages at a glance
Average low
around 16–18°C
Average high
around 21–24°C
Average precipitation
around 5–20 mm
Precip days
about 1–4 days
What to wear in May in Santorini
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Light outfits + thin evening jacket.
- • Sunscreen/sunglasses help on bright days.
- • Supportive shoes help with stairs and slopes.
- • Optional thin wind layer for boat decks.
Travel tips for visiting Santorini in May
- • Sunset caldera walks are a top comfort window.
- • Boat comfort depends on wind—bring a thin layer as insurance.
- • Hydrate early on walking days.
May weather in Santorini — FAQ
Q. Is May peak season?
A. It’s often a shoulder-to-ramping month—comfortable without the full summer intensity.
Q. Is the sea warm in May?
A. It’s improving, but comfort varies by person and wind.
Explore Santorini
These pages are connected so you can compare conditions and decide for yourself.