October sits between summer and true autumn. Swimming in the northern Adriatic already depends heavily on the weather, while the eastern Mediterranean retains summer warmth for longer. Cyprus, southern Crete, Kos, and Rhodes therefore remain among Europe’s most reliable choices for a holiday where swimming is an important part of the plan.
The difference between the start and end of the month is greater than it is in September. Many places still feel summery in the first week, but after 20 October wind, showers, and the exposure of the coast matter more than a long-term monthly average. Malta, eastern Sicily, and the Canary Islands are also useful because they offer plenty to do on a day without beach weather.
Ayia Napa and Larnaca in Cyprus are the most reliable options for the warmest water. Kos, southern Crete, and Rhodes are the strongest Greek choices, Malta and Sicily combine swimming with sightseeing, and Gran Canaria generally has more stable weather in late October.
Ten October destinations compared
The temperatures in the table are typical October ranges or long-term averages, not forecasts for specific dates. The sea can be one to three degrees warmer at the start of the month than during its final days. Sunshine, wind, waves, and access to the water also change how comfortable a swim feels.
| Destination | Typical sea temperature | Best suited to |
|---|---|---|
| Ayia Napa, Cyprus | 25–26 °C | the most reliable beach break |
| Larnaca, Cyprus | around 25 °C | the sea and an easy city break |
| Kos, Greece | around 25 °C | families, cycling, and outings |
| Ierapetra, Crete | around 24 °C | the south coast and exploring |
| Rhodes, Greece | around 24 °C | beaches, history, and outings |
| Catania, Sicily | 23–24 °C | a city, the sea, and eastern Sicily |
| Malta | 23–24 °C | swimming and a car-free break |
| Las Palmas, Gran Canaria | 23–24 °C | more stable late-month weather |
| Kefalonia, Greece | around 23 °C | quiet exploring by car |
| Alcúdia, Mallorca | around 23 °C | families and early October |
The warmest and most reliable options
Ayia Napa and eastern Cyprus
Ayia Napa is one of the safest choices for a traditional October beach holiday. The water is often 25 to 26 °C, while long sandy beaches make daily swimming straightforward. Nissi Beach and Makronissos are livelier, whereas Protaras suits a quieter trip and families.
The first half of the month is more reliable for full days on the beach. The sea often remains pleasant in late October, although short showers and wind become more likely. Before travelling, check the current sea temperature in Ayia Napa and the weather in Ayia Napa.
Larnaca: a city beach and easy logistics
Larnaca is less resort-oriented than Ayia Napa but very convenient for a shorter break. The airport is close, Finikoudes sits beside the centre, and Mackenzie Beach provides more room for a day by the sea. The water is normally around 25 °C in October.
Use the sea temperature in Larnaca and the Larnaca weather forecast when choosing dates. The city remains a good base when the forecast is imperfect because its restaurants, promenade, and outings do not depend solely on swimming.

Larnaca combines an urban waterfront, historic centre, and an easy arrival from the airport. Photo by Kypros Georgiou via Pexels.
Kos: warm water and easy island exploring
Kos lies in the southeastern Aegean, making it one of the better Greek choices for October. The sea is often close to 25 °C, particularly in the first half of the month. This relatively flat island is suitable for cycling, while Kos Town brings together historic remains, the harbour, and evening activity.
Exposed stretches of coast can be windy. Rather than relying on the water temperature alone, check the wind direction and waves each day. When conditions are calm, less crowded beaches and milder air temperatures are major advantages over the height of summer.

In October, Kos combines a still-warm Aegean Sea with a quieter pace for exploring the island. Photo by Darrell Gough via Pexels.
Southern Crete and Rhodes
Ierapetra in southern Crete is generally warmer and drier than the north coast. The sea is around 24 °C, but transfers from the airports are longer, so southern Crete is better for a longer holiday than a quick weekend. Always check seasonal schedules and sea conditions before booking boat trips.
Rhodes offers a balanced combination of beaches, the old town, and Lindos. Its east coast is usually more sheltered, while the west is windier. During the final week of October, choose a larger resort or town with restaurants and sights available even on a rainy day.
Warm water with more options away from the beach
Catania and eastern Sicily
The sea near Catania is normally around 23 to 24 °C in October. The first half of the month is noticeably more reliable for swimming, but eastern Sicily’s greatest advantage is its variety. Catania is a practical base for Mount Etna, Taormina, Syracuse, and smaller towns beside the Ionian Sea.
The coast is often rocky or volcanic, so it is not the best choice for travellers expecting only long sandy beaches. It works well for a trip where swimming occupies part of the day and the rest is devoted to food, cities, and excursions.
Malta: swimming and towns without a car
The sea around Malta is usually 23 to 24 °C in October and warmer at the start of the month. Sliema provides easy access to Valletta, Mdina, and other places, so an overcast day does not ruin the trip. Many urban bathing spots are rocky; northern Malta and Gozo are better for sandy bays.
Before departure, consult the sea temperature in Sliema and the weather in Sliema. Entering the water from rocks can be dangerous in strong wind, even when the water itself remains warm.
Las Palmas and Gran Canaria
The water at Las Palmas is not the warmest in this comparison, but Gran Canaria has an important advantage: its late-October weather is often more stable than the Mediterranean. Las Canteras lies beside the city, while the island’s south is generally drier and sunnier than the north.
The Canary Islands are a strong choice for the final week of the month, when Mallorca, Kefalonia, and more northerly Mediterranean areas become less predictable. In the Atlantic, take waves, currents, and beach flags seriously even on a sunny day.

Las Palmas combines a city break with a long Atlantic shoreline and a milder late October. Photo by Canary Vista ES via Pexels.
Kefalonia and Alcúdia
Kefalonia appeals to travellers seeking a quieter driving holiday, although services in smaller places begin to close in October. The sea is around 23 °C, and exposed beaches such as Myrtos can have substantial waves. Check which restaurants, accommodation, and excursions are still operating before booking.
Alcúdia in Mallorca has a long, relatively shallow beach, making it practical for families in early October. The weather is much less reliable later in the month. If swimming every day is the only objective, Cyprus, southern Crete, or Gran Canaria are safer choices.
Early or late October?
The range is broad during the first two weeks: alongside Cyprus and the southern Greek islands, Malta, eastern Sicily, Kefalonia, and Mallorca are all reasonable options. After 20 October, Cyprus, southern Crete, and Gran Canaria move ahead, although none can guarantee uninterrupted sunshine.
What to check before booking
In addition to the average sea temperature, check the short-term forecast, wind direction and strength, wave height, and rainfall. The type of coast and access to the water also matter. A sheltered sandy bay feels very different from an exposed rocky shore at the same water temperature.
October travellers should also check seasonal flights, ferries, excursions, and whether accommodation remains open. The season can end earlier on smaller Greek islands than in Cyprus, Malta, or Gran Canaria. A flexible booking is particularly valuable for the final week of the month.
The weather radar shows the current movement of rain and helps reveal whether showers or thunderstorms are approaching the coast.
Open the weather radarSo where should you go in October?
Ayia Napa and Larnaca are the best choices for the warmest water and a classic beach break. Kos, southern Crete, and Rhodes provide the strongest Greek options. Malta and eastern Sicily make sense when swimming is paired with cities, while Gran Canaria is particularly strong late in the month.
If your dates are still flexible, compare our guide to where the sea is warmest in Europe in September. Our overview of the most beautiful Greek islands for a holiday can also help with island choice.
Frequently asked questions
Where is the sea warmest in Europe in October?
Ayia Napa and Larnaca in Cyprus are among the warmest options, with water generally around 25 to 26 °C. Kos, southern Crete, and Rhodes also frequently have good conditions.
Can you still swim at the end of October?
Yes, especially in Cyprus and, with a favourable forecast, in southern Crete, Rhodes, or Kos. Gran Canaria often has more stable weather, although its sea is slightly cooler than Cyprus.
Is Greece or Cyprus better in October?
Cyprus is generally the better choice for the most reliable beach holiday. The Greek islands offer greater variety, but their weather is more changeable during the second half of October.
Is Malta suitable for swimming in October?
Yes. The sea is approximately 23 to 24 °C and pleasant in sunny, calm weather. Malta also has plenty of sightseeing for days that are unsuitable for the beach.