Santorini weather
Our guide to the weather in Santorini during August
Santorini is a stunning Greek island with picturesque white-washed buildings and breathtaking views. August is a great time to visit, with warm temperatures and plenty of activities to enjoy. 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 August.
How warm is it in Santorini during August?
August is typically the hottest month in Santorini. The temperature hits about 26℃ during the day, falling away to a balmy 25℃ at night. Of course, the high humidity will make it feel even hotter. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.
Does it rain in Santorini during August?
The answer is no. Santorini is typically bone dry in August. You're not likely to see a thunderstorm during your trip.
Is it windy in Santorini during August?
Expect moderate breeze becoming stronger at times during August, with occasional gusts up to 23mph. The high humidity and warm temperature will make the breeze feel warm, so any cooling effect will be limted.
How warm is the sea in Santorini during August?
The water around Santorini reaches a very pleasant 25℃ during August. This is very warm, and will feel bath-like. People who normally feel the cold will find this temperature perfectly acceptable. The hot air temperature and relatively high humidity will mean that you will feel comfortably warm when coming out of the water.
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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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