Santorini weather
Our guide to the weather in Santorini during January
Santorini offers stunning views of the Aegean Sea and is a great destination for sightseeing and exploring the unique culture of Greece. January is typically mild and sunny, making it a great time to enjoy outdoor activities. 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 January.
What's the temperature like in Santorini during January?
January is typically the coolest month in Santorini. The temperature reaches around 15℃ during the daytime, falling away to 13℃ at night. 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 January?
January is typically the wettest month in Santorini. On average, there will be 4 rainy days during the month, amounting to 87.1mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.
Is it windy in Santorini during January?
Expect moderate breeze becoming stronger at times during January, with occasional gusts up to 24mph. With moderate humidity and mild air temperatures, the breeze will have a slight cooling effect.
How warm is the sea in Santorini during January?
The water around Santorini is around 17℃ during January. 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 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....
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