Santorini Weather May Averages, Greece

    Santorini Weather for May 2019

    What's the Weather Like in Santorini in May 


    May is one of the best times of the year to visit SantoriniGreece, when the temperatures are high and the chance of rain is low. Not only is the weather great during this month, but the island will also be relatively quiet compared to the busy summer months, resulting in cheaper accommodation, flight, restaurant and attraction prices.

    Throughout the month, the average temperature for Santorini begins at 18°C on May 1st and works its way up until it reaches 22°C by May 31st. Daily highs and lows follow the same pattern, increasing from 21°C to 25°C and from 15°C to 19°C, respectively, as the month progresses. If you're looking for somewhere even warmer in May, take a trip to Bali in Indonesia, where temperatures average 28°C.

    With average temperatures as warm as these, you'll need to pack plenty of light and airy clothing to ensure you're comfortable whilst on holiday. You won't need much more than shorts, skirts, dresses, t-shirts and swimming gear during the daytime, although you might want to bring a pair of jeans or trousers and a light jacket for the evenings, in case it's a bit cooler than expected. Whatever the weather forecast is, make sure you pack plenty of sunglasses, hats and suntan lotion so your holiday isn't spoiled by sunburn or heatstroke.

    Although it only happens on rare occasions, temperatures can sometimes rise above 28°C or fall below 13°C during this month in Santorini. In recent times, the hottest May day ever recorded on the island saw temperatures rise up to 34°C. On the other hand, the coldest May day ever recorded in Santorini saw temperatures fall down to 9°C.


    Across May, Santorini receives an average of 10.5mm of rainfall which is spread out between three rainy days. With such an insignificant amount of precipitation falling on such a small number of days, you probably won't see as much as a drop of the wet stuff at all during your holiday in Santorini.

    The probability of precipitation occurring on any given day in Santorini in May decreases as the month progresses. Rainfall is most likely to appear around May 1st, when it falls on 16% of days. On the other hand, rainfall is least likely to happen around May 31st, when it only falls on 8% of days. The most likely types of precipitation you can expect to see during your May holiday are light rain, thunderstorms and moderate rain.

    Sunshine Hours 

    Throughout May, Santorini enjoys an average of 12 hours of sunshine every day that's one hour more each day than in April. With so many sunshine hours to enjoy every single day, you'll have endless opportunities to get out and about for a bit of exploring or take it easy and work on your tan by the pool or at the beach.

    Average Sea Temperature 

    If you do plan on hitting the beach whilst on holiday, you'll be pleased to hear that the average sea water temperature for the beaches in Santorini in May is 19°C. This average temperature makes May the first month of the year when it's warm enough to go swimming. If you still think the water is a bit too cool for a dip, there are plenty of indoor and heated swimming pools around Santorini where you can enjoy a much warmer swim.

    Throughout May, the length of the day in Santorini is steadily increasing, with a difference of 46 minutes between the beginning and the end of the month. May 1st is the shortest day of the month with 13:42 hours of daylight, whilst May 31st is the longest day of the month with 14:28 hours of daylight.


    Across May, the relative humidity for Santorini ranges between 50% (comfortable) and 85% (humid), rarely going above 97% (very humid) or dropping below 36% (comfortable). On average, the most humid day of the month is around May 15th, when the average daily humidity rises above 79% three days out of every four. At the other end of the scale, the least humid day of the month is usually around May 31st, when the average daily humidity falls below 57% three days out of every four.


    During the month, usual wind speeds in Santorini fluctuate between 0 m/s (light air) and 8 m/s (fresh breeze), almost never exceeding 12 m/s (strong breeze). The highest average wind speed of 5 m/s (gentle breeze) happens around May 1st, when the average daily maximum is 8 m/s. On the other hand, the lowest average wind speed of 5 m/s occurs around May 19th when the average daily maximum is 7 m/s (moderate breeze).

    Santorini Hotels in May 

    Costa Marina Villas

    When it comes to affordable accommodation in Santorini, Costa Marina Villas are a popular choice. Located just a short walk away from Fira, this complex is ideally located for families and couples who want to explore the island. Here you'll find a choice of double, triple and quadruple rooms, guaranteeing something for all group sizes. There are plenty of services and facilities available onsite, including free WiFi access, excursion booking, car rental and daily housekeeping.

    Chromata Hotel

    For something a bit more luxurious, consider staying at Chromata Hotel. This five-star hotel is situated in Imerovigli and is one of the most stylish hotels on the island. Here you'll find accommodation available in the form of double rooms, junior suites, senior suites, superior suites, honeymoon suites and Chromata suites, each of which boasts sea views. Guests are encouraged to take full advantage of the services and amenities available onsite, including cocktail bar, lounge restaurant, exclusive restaurant, infinity pool, Jacuzzis and internet access.

    Aria Suites

    Aria Suites are another great choice for holidaymakers looking for top end accommodation in Santorini. Situated in Fira, this boutique hotel is made up of only a small number of suites to maximise intimacy and customer service.

    Guests can choose between various different suites, each of which features a minibar, fridge, air conditioning, free WiFi access and personal Jacuzzi. Onsite services and facilities include swimming pool, solarium, pool bar, massage and beauty therapies, hair salon and concierge.

    Santorini Beach for May

    Baxedes Beach

    Make the most of the fantastic weather by hitting the beach during your holiday. Baxedes Beach is one of the most popular in Santorini, located in the north of the island just a short drive away from Oia. Perfect for families with young children, this beach is known for its dark volcanic sands and calm waters which create the ideal conditions for swimming.

    Unfortunately, there are no services or facilities available directly on the beach, so you'll need to bring your own shade and chairs if you think you'll need them. On the other hand, there is a number of bars and restaurants in the area, so you'll have a small choice available when it comes to lunchtime.

    Eros Beach

    At the other end of the island, Eros Beach is another great choice when it comes to somewhere to soak up the sun. Unlike Baxedes Beach, this bay features light sands which are peppered with sun loungers and parasols which you can hire for a daily rate.

    The sea at this beach is very calm, making is suitable for children and unconfident swimmers alike to enjoy. In addition to the sun loungers and parasols, Eros Beach also features facilities to play volleyball and a beachside bar which serves food and drink throughout the day. The only downside is that you'll need a car to access the beach you can't get to it on foot.

    Bars and Restaurants 

    Mousiko Kouti

    If you want to try the local food, make sure you dine at Mousiko Kouti. This restaurant comes highly recommended by locals and tourists alike and serves a top selection of Greek and Mediterranean specialities. Known for its incredibly generous portions, you'll need to visit this eatery on an empty stomach if you really want to get your money's worth.

    The Black Stone

    The Black Stone is another superb choice when it comes to local cuisine. Situated in Kamari, this restaurant serves traditional Greek dishes, each of which comes with a unique twist which brings it straight into the 21st century. Not only are the staff incredibly helpful, but they often put on their very own entertaining shows, making it a great night out for families with easily bored children.

    Salt & Pepper

    One of the most highly-rated restaurants on the island is Salt & Pepper. Tucked away into a back street, this eatery fills up weeks in advance, so try and make a reservation as soon as you can in order to avoid disappointment. Here you'll find a wide selection of Greek specialities, ranging from lamb kebabs to catch of the day. With such a comprehensive menu available, you're sure to find something for everyone to enjoy here.


    Seafood lovers won't want to miss the chance to dine at Aegialos. Found on the seafront at Fira Beach, this eatery serves a fantastic selection of freshly-caught fish and seafood, ranging from grilled sardines to stuffed calamari. There is a superb choice of wines available to complement the seafood dishes, too, in addition to international beers, cocktails, spirits and soft drinks.

    Things to do in Santorini in May 


    Santorini is internationally renowned for its sunsets and the island's lighthouse is one of the best places from which to enjoy them. You can drive up to this site and park a short walk away or cycle straight up to it, depending on how energetic you're feeling.

    The lighthouse known locally as 'Faro' marks the end of the island and is surrounded by volcanic rock and pine trees, making for a very picturesque setting. If you arrive an hour or so before sunset, you'll have the opportunity to snap a few photos whilst the sea is bright blue before the sun begins to set and everything gets drowned in orange and red hues.

    The Monastery of Profitis Ilias

    The Monastery of Profitis Ilias is one of the most-visited churches on the island, making it a must during your holiday. Located in Pyrgos, the simple stone church features traditional Greek-style architecture and offers fantastic views of the island below, so make sure you bring your camera with you. You'll definitely need a car to visit the site the Monastery of Profitis Ilias is located on a very tall hill and unfortunately, visitors aren't allowed inside the monastery, so you'll only be able to enjoy it from the outside.

    Koutsoyannopoulo Wine Museum

    Santorini produces some fantastic wines and if you want to try them you should spend a day at the Koutsoyannopoulo Wine Museum. The only natural wine museum in the whole of Greece, this popular attraction is located eight metres underground and stretches on for 300m in total.

    During the tour, you'll have the chance to learn about the history of wine in Santorini, see the genuine tools and methods used to make the wines and enjoy tasting the different wines which are made onsite. In May, the Wine Museum is open every day from 10am until 7pm and tickets are priced very reasonably. You can even purchase your favourite bottles from the gift shop before you leave.


    Catch a glimpse of what Santorini looked like before tourism took over by spending the day at the island of Thirasia. This island is located on the west side of Santorini and can be reached by catching a boat from the port on the main island.

    The perfect place to relax, Thirasia provides you with the ideal environment in which to practise all sorts of outdoor activities, including walking, cycling, swimming and sightseeing. The island's main attractions are its natural beauty, as well as the small number of churches which are peppered throughout. There is only a handful of restaurants available on the island, with most of them serving freshly prepared fish and seafood.

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