訪問に最適な時期 Santorini
2026年完全版 月別天気＆旅行ガイド
The best time to visit Santorini is late April to June そして 9月から10月. These months offer sunny weather (23–29°C), caldera views without thick crowds, and better hotel availability. July-August is peak season with searing heat and premium prices. The famous Oia sunset is stunning year-round but far more enjoyable without summer's shoulder-to-shoulder crowds.
📅 Month-by-Month Guide to Santorini
☀ Seasons in Santorini
春
- Greek Easter on the caldera
- Wildflowers and green hillsides
- Swimming from late May
- Best caldera hotel deals
- April too cool for swimming
- Some services still opening early April
- Occasional spring showers
夏
- Guaranteed sunshine
- Warm sea (25°C)
- All services and nightlife at full capacity
- Vibrant atmosphere
- Extreme crowds at Oia sunset
- Highest prices of the year
- Meltemi winds can rough up seas
- Cruise ship day-trippers
秋
- Warm sea still perfect for swimming
- 観光客の減少
- Wine harvest season
- Golden sunset light
- Some businesses closing late October
- Occasional rain from mid-October
Winter
- Rock-bottom prices
- Dramatic weather photography
- Authentic local life
- No crowds anywhere
- Most hotels and restaurants closed
- Limited ferry connections
- Rain, wind, and rough seas
- Very limited nightlife
🎆 Events & Festivals in Santorini
Greek Easter in Santorini
Candlelit midnight processions wind through whitewashed streets. Pyrgos village is particularly atmospheric with hilltop fireworks.
Ifestia Festival
Volcanic eruption reenactment with spectacular fireworks over the caldera, visible from Fira, Oia, and boat tours.
Assumption of the Virgin Mary
August 15 celebrations with church services, traditional music, feasting, and local festivals in every village.
Wine Harvest (Vendema)
Santorini's unique Assyrtiko grapes are harvested. Wineries host tastings and harvest celebrations.
🎫 Recommended Santorini Tours
Explore our top-rated Santorini tours with all-inclusive packages.
💡 Travel Tips for Santorini
Instead of fighting for space at the Oia castle, watch the sunset from the Oia to Fira hiking trail, from a caldera restaurant, or take a sunset sailing cruise for a private experience.
Santorini produces unique Assyrtiko wine from ancient vines. Visit Santo, Venetsanos, or Sigalas wineries for tastings with caldera views. Best from May to October.
The 10km caldera rim trail from Fira to Oia takes 3-5 hours and offers the most spectacular views. Best in spring or autumn — avoid midday in summer.
Red Beach is iconic but tiny and crowded. Perissa and Perivolos offer long black sand beaches with sun beds. Kamari has the best facilities and water sports.
Stay in Fira or Perissa instead of Oia for much lower prices. Visit in May or October for 50%+ savings on caldera hotels compared to July-August rates.
❓よくある質問
May, June, and September are the best months. You get warm sunny weather (24-28°C), swimmable seas, all services open, and far fewer crowds and lower prices than the July-August peak season.
It depends on what you want. November to March is very quiet with most businesses closed and limited ferry service. However, you get dramatic caldera views without a single tourist, rock-bottom prices, and an authentic local atmosphere. Fira stays partially open year-round.
Three to four days is ideal. Day 1 for Oia and sunset, Day 2 for the Fira-to-Oia hike and wine tasting, Day 3 for beaches and a boat trip to the volcano, Day 4 for Akrotiri archaeological site and relaxation.
May, early June, and October offer beautiful sunsets without the summer crush. In July-August, arrive at the Oia castle 90 minutes early for a good spot, or skip it entirely for a caldera restaurant or sunset cruise.
The sea is comfortable for swimming from late May (20°C) through October (22°C), with peak warmth in August-September (24-25°C). April and November are possible but chilly for most swimmers.
High-speed ferry from Piraeus takes about 5 hours. Regular ferries take 8 hours and are cheaper. Flights from Athens take 45 minutes and are often comparable in price to high-speed ferries if booked early.
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