Weather in Alonissos in May
May in Alonissos means late-spring conditions: pleasantly warm and mostly dry. Temperatures typically peak at around 22°C / 72°F in the afternoon and fall to about 15°C / 59°F at night. Sea temperatures average around 18°C / 64°F, refreshing for some, but too cool for most. Expect just 2 rainy days in a typical May. Alonissos is covered in pine forest that runs down to quiet coves, and it sits within a national marine park. Spring winds can still be brisk, but the hills turn green and wildflowers appear everywhere. You get about 14½ hours of daylight a day, leaving long, light evenings. Bring layers, with short sleeves for the day and a sweater or light jacket for later. Mornings and evenings are noticeably cooler than the middle of the day. It's a lovely time for walking, with fresh air and green countryside. It's pleasant to be outside from morning to evening, with sun protection at midday.
Swimming in Alonissos in May
At around 18°C / 65°F, the sea in Alonissos is swimmable in May if you don't mind a chill. Save swimming plans for July and August, when the water is much warmer. Try Agios Dimitrios and Milia for clear water. Beach facilities are only partly open at this time of year. If you feel the cold, a wetsuit top makes a difference.
Crowds & Prices in Alonissos in May
In Alonissos, May strikes a good balance between atmosphere and space. Hotel rates sit between the winter lows and the summer peak. Early mornings and late afternoons are the quietest times at popular sights. Weekdays are calmer than weekends at the most popular spots. Staying slightly outside the main town usually means better value and more space. Booking a few weeks ahead is usually enough.
What's Open in Alonissos in May
Ferries to Alonissos from Volos and Agios Konstantinos run more often as the season gets going. Nearly all hotels, tavernas and beach bars are open by May. Museums and sites are open on extended summer hours. Most sites close on Easter Sunday and 1 May. Boat trips and excursions run regularly, weather permitting. Shops in tourist areas often stay open into the evening.
Festivals & Holidays in Alonissos in May
1 May is a public holiday, when many Greeks head out to the countryside and make wreaths of spring flowers. Greek Easter sometimes falls in early May, and Whit Monday, fifty days later, is another long weekend. In Alonissos, these occasions are celebrated much as they are across the rest of Greece. Between the big dates, it's a good time to join in local life, from markets to name-day celebrations.
Is May a Good Time to Visit Alonissos?
Yes, May is a good month for Alonissos, especially for walkers and sightseers. Expect highs of around 22°C / 72°F, lows near 15°C / 59°F and rain on around 2 days. The countryside is at its best and it's comfortably warm, but the sea is still refreshing rather than warm. It suits active travelers and anyone avoiding the peak season. For warmer water with fewer crowds, June, September or October would be the better bet.
Frequently Asked Questions
What time does the sun set in Alonissos in May?
Sunset in Alonissos is at around 8:15 pm at the start of May, around 8:30 pm in mid-May and around 8:45 pm by the end of the month, in Greek local time. The long evenings leave plenty of daylight after the heat of the day.
Is it hot in Alonissos in May?
Not usually. May is warm rather than hot, with long, sunny days that are comfortable for sightseeing and walking. Rain becomes rare, but evenings can still feel cool, especially when the wind picks up, so bring a light layer. The real summer heat usually arrives later.
Can I visit the National Marine Park of Alonissos in May?
Yes, usually. Boat trips to the National Marine Park of Alonissos generally run in May, though less often than in summer, and they can be cancelled when the sea is rough. Boat trips from Patitiri explore the park's islets, and you may spot dolphins.
Do I need a car on Alonissos in May?
It helps. Bus timetables are lighter in May than in summer, so a car or scooter makes it easier to reach villages and beaches beyond Patitiri.
Is May or June better for visiting Alonissos?
It depends on what you want. June is warmer, the sea is better for swimming and everything is open, but crowds and prices start to climb. May is quieter, greener and cheaper, with pleasant walking weather, though the sea is still cool for many swimmers.
Alonissos Weather by Month
