Santorini weather

Our guide to the weather in Santorini during October

22

Average high

5

UV Index

48mm

Monthly rainfall

22

Sea temperature

Santorini is a stunningly beautiful Greek island, with its iconic white-washed buildings and stunning sunsets. October is a great time to visit, with still-warm temperatures and fewer crowds. We've looked at the most up-to-date weather data for Santorini, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Santorini weather in October.

How warm is it in Santorini during October?

The temperature is extremely stable in October with average highs of 22℃ and lows just 1℃ lower at 21℃. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Santorini during October?

On average, there will be 2 rainy days during the month, amounting to 47.6mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Santorini during October?

Expect moderate breeze becoming stronger at times during October, with occasional gusts up to 19mph. With warm air temperatures and high humidity, any breeze will feel warm but refreshing.

How warm is the sea in Santorini during October?

The water temperature around Santorini reaches a pleasant 22℃ during October. While generally considered warm, some people might find it a little on the cool side on entering the water.

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Santorini Blog posts

From the Ireland's most popular travel bloggers

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Where to stay in Santorini: Fira, Oia, or elsewhere?

25th April 2022 by Eat Sleep Breathe Travel

When it comes to the Greek islands, Santorini is probably the most famous. This stunning island is known for its white villages with blue-domed churches perched on the tops of towering cliffs. It’s the iconic image of the Cyclades islands and one of the most photographed destinations in the world. As such, it’s a very popular place to visit which leads to an important question for travellers headed to Greece: where to stay in Santorini?...

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A Santorini itinerary for first-timers: 3-5 days in Santorini, Greece

29th April 2022 by Eat Sleep Breathe Travel

No visit to the Greek islands is complete without a visit to Santorini, at least for a couple of days. I spent a week here and got to explore different parts of the island during my time. That being said, I know not everyone has that long to spend here but, in my point of view, you should spend at least 3 days in Santorini. It may be small, but there is a lot to see and do and, as I found, part of the charm is being able to relax and just enjoy the atmosphere. Which is why I’ve created this...

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31 unmissable things to do in Santorini

25th April 2022 by Eat Sleep Breathe Travel

Santorini is one of those places that seems to be on everyone’s bucket list. Whether you are looking for a romantic holiday or visiting as part of a Greek island sailing tour, Santorini really is a must. But, aside from the beautiful villages of Oia and Fira, what exactly is there to see and do in Santorini? Surprisingly, lots considering it is a relatively small island. From village exploring to island adventures to foodie experiences, here are 31 unmissable things to do in Santorini....

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Luxury hotels in Santorini: Why they are worth the splurge

17th April 2022 by Eat Sleep Breathe Travel

When it comes to exploring the Greek Islands, Santorini seems to be at the top of everyone’s list, for fairly obvious reasons. This postcard-perfect island is stunning. The white villages perched on the rocky clifftops look like they popped off the pages of a children’s storybook and the vibrant blue domes contrasting against the white buildings are brilliant against a backdrop of the equally blue sea and sky. Santorini is romantic fairytale that everyone wants to, and should, experience...

Weather in Santorini

Our month-by-month guide to the weather and climate in Santorini

14.5

Santorini weather in

January
14.7

Santorini weather in

February
15.2

Santorini weather in

March
17.0

Santorini weather in

April
20.1

Santorini weather in

May
23.4

Santorini weather in

June
25.4

Santorini weather in

July
25.9

Santorini weather in

August
24.4

Santorini weather in

September
21.6

Santorini weather in

October
19.0

Santorini weather in

November
16.2

Santorini weather in

December