Weather in Nisyros in August
August is the height of summer in Nisyros: hot and almost completely dry. Temperatures typically peak at around 30°C / 87°F in the afternoon and fall to about 25°C / 77°F at night. Even after dark it stays warm, so a room with air-conditioning makes a difference. In the water, expect around 25°C / 77°F, warm enough for long swims. You're very unlikely to see any rain. Summer weather here is shaped by the meltemi, a dry northerly wind that keeps the heat bearable but can make exposed beaches choppy. Nisyros is a round volcanic island, and its crater floor can feel much hotter than the coast on still days. Daylight lasts about 13½ hours, leaving long, light evenings. Pack light, breathable clothes, a sun hat, high-factor sunscreen and sunglasses. When the wind picks up, a light windproof layer is handy for evenings by the water. Plan sightseeing for the early morning or evening, and keep the midday hours for the beach or a shaded taverna.
Swimming in Nisyros in August
The sea in Nisyros averages around 25°C / 77°F in August, warm enough to stay in for as long as you like. This is when the sea is at its warmest all year. When the meltemi blows, north-facing beaches get rough, so head for sheltered bays on the south side. Beaches are at their busiest now, so go early or late in the day. You won't need a wetsuit.
Crowds & Prices in Nisyros in August
August is peak season in Nisyros, and the busiest spots are crowded. Hotel prices are at their highest, and flights and ferries cost more too. The days around 15 August, a major Greek holiday, are the busiest of all, with ferries and rooms fully booked. Weekdays are calmer than weekends at the most popular spots. Book early, as the best-value rooms go first.
What's Open in Nisyros in August
Ferries to Nisyros from Kos run at full summer frequency in August, but they sell out, so book ahead. Everything is open, from hotels and tavernas to beach bars and boat trips. Archaeological sites and museums are on their longer summer hours. Opening hours are long, with many tavernas serving until late. Shops in tourist areas often stay open into the evening.
Festivals & Holidays in Nisyros in August
Many Greeks return to their home villages in August, and panigyria, village feasts with live music and dancing, run late into the night. 15 August, the Dormition of the Virgin Mary, is the biggest summer holiday, with church services and village festivals everywhere. In Nisyros, as across Greece, these traditions are very much alive. Summer evenings are the time for festivals, open-air cinemas and late dinners outdoors.
Is August a Good Time to Visit Nisyros?
August is a great time to visit Nisyros if you want long beach days, a warm sea and the island at its liveliest. Expect highs of around 30°C / 87°F and lows near 25°C / 77°F. It suits families on school holidays and anyone who loves a busy summer atmosphere. It's less ideal if you dislike crowds or high prices. For a calmer trip with the sea still warm, consider June, September, October or November instead.
Frequently Asked Questions
What time does the sun set in Nisyros in August?
Sunset in Nisyros is at around 8:20 pm at the start of August, around 8:05 pm in mid-August and around 7:45 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 windy in Nisyros in August?
Often, yes. August is the height of the meltemi, a strong, dry northerly wind that blows across the Aegean on many summer days, sometimes for several days in a row. It keeps the heat bearable, but it can make exposed beaches rough and delay fast ferries and small boats. South-facing beaches are usually more sheltered.
Can I visit the Stefanos volcanic crater in August?
Yes, but go early or late in the day. August is hot, and there's often little shade, so bring water and sun protection. You can walk down onto the crater floor.
Do I need a car on Nisyros in August?
Not necessarily. Buses link Mandraki with the main beaches and villages in August, and taxis are available, though they're busy. A car, scooter or ATV gives you more freedom to explore quieter corners, so book one early.
Is August or September better for visiting Nisyros?
September, for most travelers. The sea is still warm, the crowds thin out after the first week or two and prices drop, while most businesses stay open. August is the choice only if you want the island at its busiest and liveliest.
Nisyros Weather by Month
