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Plan for conditions

Santorini Weather

Santorini’s exposed terrain makes sun, wind and heat more important than the headline temperature suggests.

Reviewed 2026-09-06 · Santorini (Thera), Cyclades, Greece

Summer

Expect strong sun and generally dry conditions. Shade is limited on the caldera trail and volcanic excursions, so hats, water and sun protection are practical necessities.

Wind

Aegean winds can affect ferry comfort, boat excursions and exposed viewpoints. Check conditions when your plans involve the sea.

Shoulder seasons

Spring and autumn can deliver excellent walking weather, but evenings can be cooler and occasional unsettled weather is more likely than in midsummer.

Check conditions

Live weather before a ferry, hike or boat trip

Wind matters in Santorini as much as temperature. It can affect ferry operations, small-boat comfort and exposed walks. Check a current Greek forecast on the day rather than relying only on a monthly climate average.

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