Folegandros Weather

Folegandros experiences a classic Mediterranean climate. Visitors can normally expect long hot summers and short mild winters.

The warmest period falls between late June and early September. During this time, temperatures frequently exceed 25 degrees Celsius, while rain is extremely rare. The coolest period occurs from December to March, bringing lower temperatures, increased cloud cover and most of the yearly rainfall.

Typical summer conditions mean bright blue skies and abundant sunshine. In August alone, the island records over 360 hours of sun. However, summer also brings strong northerly winds which naturally cool the air but can make the sea choppy.

Understanding the weather is essential when planning a trip to Folegandros. Because the island relies heavily on outdoor activities like walking, boat tours and beach days, choosing the right month will drastically shape your holiday experience.

This guide covers general climate information to help you plan. You will also find a live weather forecast below for current conditions.

Folegandros Weather at a Glance

The climate in Folegandros changes distinctly across the 4 seasons. The weather is hottest in July and August, when daytime temperatures regularly reach 26 to 28 degrees Celsius. Conversely, January and February are the coolest months, with daytime highs around 15 degrees Celsius.

Rainfall is most likely between November and March. December usually receives the most rain, while July and August are generally the driest and sunniest months of the year.

Winds can be strongest during the midsummer period, specifically in July and August, due to seasonal weather patterns.

The general swimming season begins in late May when the sea warms up. The water remains comfortable for swimming until late October.

Folegandros Weather by Month

January

January is typically the wettest and coldest month in Folegandros. Daytime temperatures hover around 15 degrees Celsius, while nights drop down to 13 degrees Celsius. You can expect around 7 rainy days during the month. Sunshine is limited to a few hours per day. Sea conditions are rough and the water is far too cold for swimming. This is a very quiet period for visitors, as most tourist facilities close for the winter. It suits travellers looking for complete isolation.

February

February remains firmly in the winter season. Temperatures stay identical to January, with daytime highs near 15 degrees Celsius. Rainfall drops slightly to about 5 rainy days across the month. Sunshine hours remain low, and winds can make the air feel cooler. The sea is still very cold. Tourism is essentially dormant during February. Visitors will find authentic local life but few open restaurants or hotels. Walking is possible on dry days, though mud can affect the trails.

March

March signals the beginning of spring. Temperatures begin a slow rise, although they remain mild. Rainfall decreases significantly to roughly 3 rainy days for the month. The sun begins to break through more often, offering pleasant daylight hours. The sea temperature is still too chilly for comfortable swimming. While the island is still quiet, it becomes an excellent time for early spring walking. Wildflowers start blooming across the hillsides, making the landscape highly photogenic before the summer heat arrives.

April

April brings noticeably warmer and brighter weather. Daytime temperatures often reach 17 degrees Celsius. Rain becomes rare, with only 2 rainy days typically recorded. Sunshine hours increase dramatically. The sea is warming but remains quite brisk for most swimmers. This month is highly popular with walkers and nature enthusiasts. The weather is comfortable for strenuous physical activity. Tourist businesses begin opening their doors to welcome the first wave of spring travellers.

May

May is a wonderful transition month. Average daytime temperatures climb to 20 degrees Celsius, creating warm but comfortable conditions. Rain is highly unusual, with perhaps 1 wet day in the entire month. The sun shines brightly almost every day. Sea temperatures finally reach a level where swimming becomes enjoyable for many people. May is a fantastic travel period. Visitors can enjoy early beach days, long walks and sightseeing without the intense heat or the large summer crowds.

June

June marks the official start of the hot summer season. Daytime temperatures push up to 24 degrees Celsius and often higher. Rain essentially disappears from the forecast. The sea warms up beautifully, creating perfect conditions for swimming and boat tours. June often avoids the strongest summer winds, meaning the sea surface is generally calmer. This is a moderately busy travel period. The island feels lively and vibrant, making it an ideal month for a classic Greek island holiday.

July

July is the peak of summer in Folegandros. Temperatures frequently hit 26 degrees Celsius during the day and stay very warm at night. Rain is practically non existent. You will experience endless sunshine. However, July also brings the arrival of the strong northern summer winds. The sea is wonderfully warm for swimming, but the wind can whip up waves on exposed coastal sections. This is a very busy travel month, attracting visitors seeking hot beach weather and lively evenings.

August

August is the hottest and busiest month on the island. Daytime averages hover around 26 degrees Celsius, but heatwaves can push temperatures much higher. There is virtually 0 rainfall. The strong northern winds usually peak during August, acting as a natural air conditioning system. The sea water is at its absolute warmest. Visitors spend most of their time at the beach or enjoying water activities. Due to the high temperatures, strenuous walking is not recommended during the middle of the day.

September

September is widely considered an exceptional month to visit. Temperatures drop back to a very comfortable 25 degrees Celsius. Rain remains rare, perhaps occurring on 1 day. The fierce summer winds usually die down, leaving calm air and incredibly clear skies. The sea retains all its summer heat, making swimming absolutely perfect. The island becomes slightly less crowded as the school holidays end. September is highly suitable for combining beach days with hiking and sightseeing.

October

October offers a relaxed, cooling climate. Temperatures drop to around 22 degrees Celsius during the day. Rain becomes a possibility again, with perhaps 2 rainy days in the month. Sunshine is still plentiful, though the days grow shorter. The sea often remains warm enough for swimming until the final weeks of the month. October is a quieter travel period. The mild heat makes it a phenomenal time for walking across the island and exploring the charming villages in peace.

November

November marks the definitive shift into autumn. Temperatures drop to 19 degrees Celsius. The chance of rain increases, averaging 3 wet days. Cloud cover becomes more common and the wind can feel quite chilly. The sea cools rapidly, ending the swimming season for most people. The island enters its quiet winter phase. Most tourist businesses pack up for the year. Visitors arriving in November will experience a very traditional, peaceful environment suited for quiet sightseeing and reading.

December

December is a true winter month. Daytime highs sit around 17 degrees Celsius. This is normally the wettest period of the year, with rain expected on at least 5 days. Skies are frequently cloudy and the wind is a constant presence. The sea is completely uninviting. Very few travellers visit during December. Those who do come are usually visiting family or seeking an entirely isolated festive experience among the small local community.

Wind and Meltemi in Folegandros

Wind is a defining feature of the Cyclades, and Folegandros is no exception. If you travel during the summer, you will likely encounter the Meltemi.

The Meltemi is a strong, dry northern wind that sweeps across the Aegean Sea. It is created by high pressure over the Balkans meeting low pressure over the eastern Mediterranean. This weather pattern normally begins in July and reaches its peak strength in August, before slowly fading in September.

When the Meltemi blows across Folegandros, it brings clear skies and a significant drop in humidity. On a hot August day, this wind acts like natural air conditioning, preventing the island from feeling unbearably sticky. However, the wind can be very powerful. It can make a sunny day feel surprisingly cool, especially in the evening. You might find your hat blowing away or your beach towel refusing to stay flat.

The wind directly affects how you choose a beach. Because the Meltemi blows from the north or northeast, beaches on the northern coast of Folegandros become highly exposed. They receive the full force of the wind, creating choppy waves and difficult swimming conditions.

To escape the wind, you must look south. The geography of Folegandros means that the southern and southwestern coastlines are naturally sheltered by the island terrain. Beaches such as Agali, Agios Nikolaos, Galifos and Ampeli sit in the wind shadow. These beaches are protected from northern gusts, meaning the water remains calm and flat even when a gale is blowing on the other side of the island.

Wind also impacts hiking. Walking along the high ridges of Folegandros during a strong Meltemi can be physically demanding. The gusts can easily throw you off balance. On windy days, it is much safer to choose lower paths or walk in sheltered valleys.

Finally, the wind can affect boat trips and ferries. While large modern ferries usually handle the Meltemi without issue, smaller passenger boats and local tour boats might face delays or cancellations if sea conditions become dangerous. Travellers should always check with their ferry operator or the local port authority for official updates when the wind is particularly strong. Do not assume your boat will sail just because the sun is shining.

Weather for Activities

Beach days

For a comfortable beach day, you want temperatures above 23 degrees Celsius, which you will reliably find from late May until early October. Bright sunshine is virtually guaranteed throughout the summer. Wind is the most important factor to watch. On very windy days, fine sand can whip through the air and sting your skin. If the northern wind is blowing, always head to the south facing or west facing beaches. These sheltered coves will offer a much more relaxing beach experience with calm conditions.

Swimming

The swimming season officially kicks off in late May and runs smoothly until late October. Sea temperatures peak in August and September. Air temperature plays a big role in how enjoyable the water feels. Stepping out of the sea into a warm breeze is pleasant, but stepping out into a strong, cool northern wind can cause an instant chill. Waves also dictate swimming safety. Avoid swimming on the northern coast when strong winds create powerful swells and dangerous currents.

Hiking and walking

Folegandros offers spectacular walking trails, but the weather dictates when you should tackle them. The ideal hiking conditions are found in April, May, September and October. During these months, the heat is entirely manageable, the sun is not dangerously strong and the UV levels are lower. If you hike in July or August, you must start your walk very early in the morning, ideally finishing before 11 AM. The barren landscape provides almost zero natural shade, making afternoon heat stroke a genuine risk.

Boat trips and sailing

Exploring the coastline by boat is highly dependent on wind and sea conditions. June and September often provide the calmest seas, making them excellent months for sailing. In contrast, July and August frequently see strong winds that churn up the water. This can make small boat trips very bumpy and uncomfortable for those prone to seasickness. Always monitor local maritime forecasts and speak directly to your boat operator, as they will alter routes or cancel trips based on daily sea states.

Sightseeing and photography

The whitewashed villages and dramatic cliffs of Folegandros look their best under the bright blue skies of summer. However, wandering through the capital, Chora, is most comfortable when temperatures are below 25 degrees Celsius. Spring and autumn provide the perfect balance of clear light and mild heat. During the high summer, the stark white buildings reflect the intense sunlight, making sunglasses essential. For photography, the golden hours of early morning and late afternoon offer spectacular, softer light.

Best Time to Visit for Weather

Choosing the best time to travel depends entirely on what you want to do. Folegandros offers very different experiences across the seasons.

Best months for hot beach weather

If your goal is purely to lay on a beach and soak up intense heat, July and August are your target months. During this period, the island receives maximum sunshine and daytime temperatures consistently peak around 26 to 28 degrees Celsius. Rain is virtually unheard of. You will need to manage the strong northern winds by choosing sheltered beaches, but the heat is guaranteed.

Best months for swimming

September is arguably the absolute best month for swimming. By September, the sea has absorbed the intense summer sun for 3 solid months, reaching its peak warmth. Crucially, the fierce summer winds tend to drop away during September. This results in calm, flat, warm water that is incredibly inviting for long swims and snorkelling sessions. June is a close second, offering similarly calm conditions.

Best months for hiking

Walking across the exposed hills requires mild weather. April, May and October stand out as the premier hiking months. Temperatures hover between 17 and 22 degrees Celsius, meaning you can comfortably walk for hours without overheating. April and May offer the added bonus of green landscapes and blooming spring flowers, while October provides sea water that is still warm enough for a post hike swim.

Best months for sightseeing

Wandering through Chora and Ano Meria requires a comfortable climate. May, June, September and October offer the perfect balance. The weather is warm and pleasant, allowing you to dine outdoors and explore the villages without sweating profusely. The brilliant daylight illuminates the architecture beautifully, but the heat is never oppressive enough to force you indoors during the afternoon.

Best months for fewer crowds and milder weather

For travellers seeking deep peace and mild weather, late April, early May and late October are ideal. The climate during these weeks is highly forgiving, with daytime temperatures hovering around 20 degrees Celsius. You might experience a brief rain shower, but sunny days are still the norm. The island feels spacious and authentic, allowing you to interact closely with locals and enjoy quiet restaurants without making reservations.

What to Pack for Folegandros Weather

Packing correctly for Folegandros depends entirely on your travel month, but a few essential items are required all year round.

For summer travel between June and September, lightweight breathable clothing is vital. Pack plenty of shorts, t shirts and summer dresses. Because the sun is incredibly strong, you must bring a wide brimmed hat, high quality sunglasses and strong sunscreen. The island has very little natural shade. A light jumper or windbreaker jacket is also essential for the summer evenings, as the wind can make dining outdoors feel quite cool.

For the shoulder seasons of April, May and October, layers are your best strategy. Bring t shirts for the warm daytime hours, but pack trousers and warm sweaters for the evenings. A light waterproof jacket is a sensible precaution, as occasional rain showers can pass through.

If you plan to walk the island trails, regardless of the season, sturdy walking shoes are mandatory. The paths are rocky, uneven and completely unsuited for beach sandals. A reusable water bottle is another absolute necessity to keep you hydrated in the dry climate.

Finally, remember to pack a beach towel clip or pegs if visiting in July or August. The wind on exposed beaches will easily blow a loose towel away.