Santorini in October: weather and travel tips

Welcome to Santorini, where the Aegean paradise takes on a unique charm. As the summer crowds dissipate, this enchanting Greek island offers a more serene and intimate experience. In this guide to the weather in Santorini in October, we'll explore weather travel tips and all you need to know to make the most of your autumn journey.

Is October a good time to visit Santorini?

October is a really fantastic time to visit Santorini. The weather in Santorini in October is still quite pleasant, with moderate temperatures and plenty of sunshine. 

The crowds of tourists at the peak of the summer season have greatly decreased, making for a more relaxed and secluded holiday. Accommodation prices are generally lower and you can enjoy the island's sights, beautiful sunsets and delicious cuisine without the hustle and bustle.

Thinking of visiting Santorini in October? Embark on your dream trip hassle-free with the help of our Greece travel experts.

Air & sea temperatures in Santorini in October

The weather in Santorini in October has a delightful combination of warmth and tranquillity, making it one of the best times to visit the island. Average temperatures usually range from 24°C to 27°C (75°F - 81°F) during the day, dropping to 16°C - 18°C (61°F - 64.4°F) at night.

The Aegean Sea remains inviting, at times it can be even warmer than in June. With average water temperatures of 21°C - 24°C (70°F - 75°F), it is suitable for swimming and other water activities.

Comfortable air and sea temperatures make October an ideal month for sightseeing, enjoying the island's delicious cuisine and marvellous sunsets.

Browse our inspirational Greece itineraries to start planning your perfect trip.

Average rainfall in October

October is generally a dry month in Santorini. The average rainfall in October is quite low, with only occasional rains and an average of 15 to 25 millimetres (0.6 to 1 inch) of rainfall throughout the month. 

This minimal amount of precipitation favours pleasant and sunny weather in Santorini in October, making it a great month to visit the island.

For more detail on the weather in Greece around the year, read up on best time to go to Greece.

What about the crowd & cost?

You can expect far fewer tourists in Santorini in October than during the peak summer months. As the summer season comes to an end, the island becomes much quieter and more relaxed.

Most tourists have left by this time, so popular attractions, beaches and restaurants become less crowded. This is a great opportunity to explore the beauty of the island in a quieter and more secluded setting.

As for prices, October often offers more budget-friendly options than the peak summer season. Accommodation prices tend to drop as demand decreases, and you can also find discounts on various activities and excursions.

However, it is best to book accommodation and excursions well in advance, especially if you plan to visit the island in the first half of October. At this time, some businesses are still open, and by the end of the month, Santorini begins to wind down for the winter season.

Set on taking an autumn break? For further inspo, discover more of the best places to visit in October.

Unforgettable, fully customisable Santorini itineraries

Our tailor-made trip service allows you to fully enjoy the weather in Santorini in October without the planning or hassle. All of our planned itineraries are created by Greece local travel experts and can be tailored to meet your specific needs.

• The Historical and Mythological Cyclades islands (10 days): The Cyclades islands include two of the most famous Greek Islands: Mykonos and Santorini. Visit these and some of the smaller, quieter, islands. With white-washed houses, narrow cobbled streets, blue domed roofs and stunning beaches, they are what Greece is all about.
• Greek Island-Hopping Honeymoon (10 days): Hop between the islands of Greece on this romantic trip. Drive around stunning coastlines, explore mountain villages, visit ancient sites, and luxuriate on golden beaches as you are transfixed by the allure of the Aegean’s turquoise waters.

Need more options to choose from? Check out our Santorini itinerary.

Tips for travelling to Santorini in October

As you prepare for your October trip to Santorini, remember a few important tips to make the most of your trip.

What to pack for Santorini in October?

When preparing for your trip, you need to think carefully about your clothes to adapt to the weather in Santorini in October.

For daytime activities, it's worth taking along to feel comfortable in the hot weather. Evenings can nevertheless be cooler, so it's also worth bringing outerwear options.

Don't forget to bring your swimwear: although October is not the peak of the beach season, the sea is still warm enough to take a dip in.

As Santorini often involves walking and traversing steps and mountainous terrain, it is absolutely essential to bring comfortable and sturdy walking shoes. Although rain is rare, it's also a good idea to have a compact umbrella or mackintosh on hand just in case.

Remember to protect yourself from the sun

Even though the sun in October in Santorini is not as intense as in the summer months, sun protection is still very important on sunny days. Don't forget to put sunscreen in your luggage, as well as extra protection such as sunglasses and a wide-brimmed hat.

Is AC necessary in Santorini in October?

The need for air conditioning depends primarily on individual heat tolerance. It is advisable to consider the location of the accommodation and the availability of cross ventilation. 

While air conditioning may not be necessary during the day, the evenings may be cooler and some hotels may provide heating instead. Ultimately, while air conditioning is not a must, it can add to your comfort level, especially if you appreciate a cooler indoor atmosphere.

More information on accommodation in Santorini can be found in our guide to the best areas to stay in Santorini.

What to do in Santorini in October

The weather in Santorini in October offers plenty of opportunities to spend time in comfort and enjoy rewarding experiences. You might also be interested in our list of the best things to do in Santorini at any time of year.

Enjoy the views of the caldera

The iconic views of Santorini's caldera are unparalleled. Standing on the edge of a sheer cliff overlooking the submerged volcanic caldera, the panorama is breathtaking. The endless blue Aegean Sea stretches out before you, framed by the island's rugged cliffs.

The weather is mild in October, making it the perfect time to contemplate these awe-inspiring views. Whether you're in Fira, Oia or one of the small villages along the edge of the caldera, admiring the sunset from this vantage point is a must. The soft, warm colours of the setting sun paint the sky, creating a magical glow across the landscape.

Savour wine during the harvest season

October is the magical grape harvest in Santorini. As the grape harvest season begins, the island comes alive with the energy of locals and visitors alike. Visit local wineries, where the air is filled with the heady aroma of freshly crushed grapes and the promise of exceptional wines.

Take part in a tasting, sample freshly squeezed grape juice and experience the unique flavour of Santorini wines. This unique island celebration will immerse you in the viticultural heritage and warm hospitality.

Looking for more options for an autumn holiday? Check out our list of the best destinations for an unforgettable holiday in October.

Soak up the October sun on the beaches of Santorini

October in Santorini offers unique opportunities for beach holidays. Although it is not yet the peak sunbathing season, the island's beaches, such as Kamari and Perissa, are much quieter and calmer. The weather remains mild and the sea is pleasantly warm for swimming.

With fewer tourists around, you have more space and tranquillity to fully enjoy the natural beauty of these volcanic shores. It is a time for quiet reflection and relaxation by the sea, making October a great choice for a rejuvenating beach holiday in Santorini.

Take a boat tour

A boat trip to Santorini in October is an unforgettable experience. Cruise the tranquil waters of the Aegean Sea, taking in breathtaking views of the island's dramatic cliffs, picturesque villages and volcanic landscapes.

Explore the volcanic islands of Nea Kameni and Palea Kameni, hike to their craters and soothe your senses in the therapeutic hot springs.

Take a sunset cruise to see the island bathed in warm golden hues as the sun sinks below the horizon, creating an enchanting and unforgettable memory of Santorini.

Planning your October trip to Santorini

For more inspiration, discover some of the best things to do in Greece, and start planning your trip with The Rough Guide to Greece. 

Daunted by the prospect of planning? No problem! Browse our customisable Greek itineraries, and talk to our local Greek travel experts.