Santorini weather

Our guide to the weather in Santorini during December

16

Average high

4

UV Index

70mm

Monthly rainfall

18

Sea temperature

Santorini offers stunning scenery and plenty of cultural activities, making it an ideal destination for travelers looking for a unique experience. December can be chilly, so be sure to pack warm clothes. 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 December.

What's the temperature like in Santorini during December?

The temperature is extremely stable in December with average highs of 16℃ and lows just 2℃ lower at 15℃. 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 December?

On average, there will be 4 rainy days during the month, amounting to 69.8mm 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 December?

Expect moderate breeze becoming stronger at times during December, with occasional gusts up to 22mph. With moderate humidity and mild air temperatures, the breeze will have a slight cooling effect.

How warm is the sea in Santorini during December?

The water around Santorini is around 18℃ during December. It will feel a little on the cool when first entering, but you'll warm up quickly. Most kids will have no problem with this temperature, but those who feel the cold are unlikely to want to swim.

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Santorini Blog posts

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18th July 2022 by The Blonde Abroad

Santorini is a Greek island that was created by volcanic eruptions hundreds of years ago. Today the island is a whitewashed paradise that offers visitors some of the most iconic images of Greece. If you are planning a trip to Santorini, Greece, be sure to check out the ultimate Santorini Travel Guide. You can also read about my ultimate self-guided ATV adventure around Santorini and my guide for what to wear in Santorini....

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