Cyprus Sea Temperature by Month in 2026: When the Water Is Actually Warm Enough
Cyprus sea temperature by month ranges from about 17°C at the end of winter to 27°C in August and September. The water reaches roughly 20°C in May, 24°C in June, and still holds around 25°C in October, staying above 20°C across seven months from May to November.
Cyprus sea temperature by month ranges from about 17°C at the end of winter to 27°C in August and September. The water reaches roughly 20°C in May, 24°C in June, and still holds around 25°C in October, staying above 20°C across seven months from May to November (Cyprus Meteorological Service climate normals for Larnaca). The Deputy Ministry of Tourism puts the open sea above 22°C between June and November, peaking at 27°C in August (Visit Cyprus).
Those are averages taken offshore, though, and averages hide the thing that actually decides whether you enjoy a swim: wind, depth and which bay you are standing in. We run villas along the eastern coast, so this page gives you the numbers first and then the local reality that the satellite data cannot capture.
Cyprus sea temperature by month
| Month | Sea temperature | Air temperature (daily max) | Swim verdict |
|---|---|---|---|
| January | 18°C | 16.8°C | Hardy swimmers only |
| February | 17°C | 16.8°C | Coldest water of the year |
| March | 17°C | 19.1°C | Brief dips |
| April | 18°C | 22.5°C | Cold on entry, fine once moving |
| May | 20°C | 26.5°C | Swimmable, wetsuit optional |
| June | 24°C | 30.3°C | Comfortable for everyone |
| July | 26°C | 32.4°C | Warm |
| August | 27°C | 32.7°C | Warmest of the year |
| September | 27°C | 30.9°C | Still at peak, air more pleasant |
| October | 25°C | 28.1°C | Genuinely lovely |
| November | 22°C | 22.6°C | Swimmable, cooler on exit |
| December | 19°C | 18.3°C | Short swims |
Sea temperatures and air maximums: Cyprus Meteorological Service climate normals for Larnaca, the station closest to Protaras, Pernera, Kapparis and Ayia Napa. Last checked 22 September 2026. Paphos runs about a degree cooler in September and October; Limassol matches Larnaca almost exactly.
The single most useful thing on this page
Look at September and October again.
September holds the same 27°C water as August while the air drops by nearly two degrees. October still gives you 25°C sea, warmer than June's 24°C, with air in the high twenties and a fraction of the crowds.
Meanwhile May looks summery on paper at 26.5°C air, but the sea is only 20°C, which is the single biggest mismatch in the Cypriot calendar. Every year we get guests in May who expected August water and found something closer to a British August.
If swimming is the point of your trip, book September or early October over May or June. That one decision improves the holiday more than any other on this page.
Why the average never matches what you feel
Three things move the real temperature away from the published number.
- Depth and shelter: Shallow, enclosed bays warm faster in spring and hold heat longer in autumn. Fig Tree Bay, Pernera and the Kapparis coves sit in that category, which is why they feel a degree or two friendlier in May and late October than the open water off Cape Greco.
- Wind: This is the one nobody writes about. A 21°C sea with a stiff afternoon breeze on an exposed shoreline feels far colder than a still 21°C in a sheltered cove, because the evaporation off your skin is what chills you, not the water. Swim in the morning in shoulder season and the difference is dramatic.
- What you are used to: British visitors who swim at home find 20°C pleasant. Anyone whose reference point is Cyprus in August finds 22°C startling for about thirty seconds. Neither is wrong.
Do you need a wetsuit?
For a holiday swim, rarely. For anything longer, sometimes.
| Period | What most people wear |
|---|---|
| June to October | Swimwear, nothing else |
| May and November | Swimwear for short swims, a shortie for longer ones |
| April and December | Shortie or a thin full suit for anything beyond a dip |
| January to March | Full wetsuit for sustained swimming |
Diving is different. Diving centers running the Zenobia wreck off Larnaca supply suits all year, because depth stays cold whatever the surface reads.
Sea or pool? It depends on the month
This catches people out, and it is worth knowing before you book.
A private pool is unheated as standard across most of the island. In high summer that pool sits warmer than the sea, often uncomfortably so by late August, which is why guests end up swimming in the sea to cool down rather than the other way round.
In spring and autumn the relationship flips. A body of water the size of the Mediterranean holds its heat far better than a few cubic meters of pool, so in May and November the sea is the warmer swim by a noticeable margin.
The practical version: in July and August your private pool is for lounging and the sea is for swimming. In May, October and November the sea does both jobs and the pool becomes a paddling spot for children. If poolside swimming matters in the shoulder months, ask us about heated options before booking.
Timed to the UK school calendar
Most British families are choosing between fixed windows rather than ideal ones, so here is how the water lines up with them.
- February half term. Sea at its coldest, 17°C. Beautiful for walking, not for swimming.
- Easter. Around 18°C. Children will go in regardless; adults generally will not.
- May half term. About 20°C. Manageable, best in sheltered bays and in the middle of the day.
- Summer holidays. 26°C to 27°C, as warm as the Mediterranean gets.
- October half term. Still around 25°C, which is the best value week in the entire year and the one we recommend most often.
- Christmas and New Year. 19°C. A few people swim on New Year's Day. Most walk instead.
Water clarity, sea state and what you can see
Visibility peaks in late summer and autumn, when the water has been settled for months. That is when snorkeling around Cape Greco and the sea caves is at its best, and when boat trips get the postcard conditions.
Winter storms stir up sand and reduce clarity for days afterward, particularly close to shore. It settles quickly once the wind drops. Spring sits in between, clearing steadily as the season progresses.
For anyone planning to snorkel or dive rather than simply swim, September and October are the months to aim for. Our Cape Greco villas put you closest to that stretch of coast.
Jellyfish, sea urchins and other small realities
Jellyfish appear here occasionally rather than seasonally, and Cyprus does not suffer the reliable summer blooms that affect some Mediterranean coasts. When they do show up, it is usually after a run of onshore wind, and it passes within days.
Sea urchins are a more predictable nuisance, and the rule is simple. Sandy beaches such as Fig Tree Bay and Nissi have none worth worrying about. Rocky entries around Cape Greco, parts of Pernera and the swimming platforms near Konnos do. A pair of reef shoes costs very little and removes the problem entirely.
Water quality is not a concern. The European Environment Agency ranked Cyprus first in Europe in its most recent bathing water assessment, with 95% or more of sites rated excellent, and Paralimni and Deryneia hold 18 Blue Flags for 2026, more than any other municipality on the island.
Swimming with young children
Water temperature matters far more for small bodies than for adults, and the difference between 20°C and 24°C is the difference between five minutes and an hour.
From June to October, no real consideration applies beyond sun protection. In May and November, aim for shallow, sheltered, gently shelving water in the middle of the day, and bring a rash vest, which adds surprising warmth. Outside those months, treat the sea as something to paddle in rather than swim in.
The east coast has an advantage here that the published figures do not show. Bays such as Fig Tree Bay, Pernera and Agia Triada shelve so gently that a small child can stand a long way out, and shallow water warms faster than deep water, so the effective temperature in the first few meters runs above the offshore average all through spring. Our villas in Pernera sit directly above that kind of beach.
When do locals actually stop swimming?
Later than you would expect, and later than the tourist season suggests.
Cypriot families keep swimming through October without a second thought, and plenty carry on into November. A committed minority swims all winter, mostly early in the morning, mostly the same faces every day. Organized beach infrastructure winds down at the end of October, when lifeguard cover finishes, which creates the impression that the season has ended, but the water has not read the timetable.
What changes in November is not the sea so much as the getting out of it. Twenty-two degree water is fine; twenty-two degree air with a breeze, while you are wet, is a different experience. Take a towel you can wrap around yourself and something warm to put on, and the swim stays pleasant into December.
Frequently asked questions
What months can you swim in Cyprus?
Comfortably from May to November, and enthusiastically from June to October. Sea temperature holds above 20°C across that stretch and above 22°C between June and November, according to the tourism ministry, topping out at 27°C in late summer. December to April suits people used to cold water, with late winter the coldest at around 17°C. Lifeguard cover on flagged beaches runs from April to October, per the Deputy Ministry of Tourism, so anything outside that window is unsupervised.
Is the sea in Cyprus warmer than in Greece or Spain?
Generally yes, particularly late in the season. The eastern Mediterranean warms more than the western basin and holds that heat longer, which is why Cypriot water still reads 25°C in October while much of the Spanish coast has dropped below it. The trade-off arrives in late winter, when Cypriot water sits at 17°C and feels genuinely cold. For a direct comparison, Heraklion in Crete averages 23.3°C in October, against 25°C off Larnaca, using Hellenic National Meteorological Service normals.
Which is the warmest part of Cyprus for swimming?
Differences around the coast are small, roughly a degree. Larnaca and Limassol run marginally warmer than Paphos in September and October, and the shallow eastern bays around Protaras and Ayia Napa feel warmer than the figures suggest because the water is shallow and sheltered. The exposed western and northwestern coasts, particularly around Akamas, are cooler and choppier, and the Paphos district carries more rip current warnings than the east.
Can you swim in Cyprus in winter?
Yes, if you are prepared for 17°C to 19°C. That is about the temperature of the English Channel in late August, so British sea swimmers will find it familiar, while anyone expecting a warm dip will not. A shortie wetsuit turns a brief plunge into a proper swim. Winter also brings rougher seas and no lifeguard cover, so stick to sheltered bays, swim with someone else, and check conditions before getting in.
When is the best month to visit Cyprus for a beach holiday?
September, on the numbers. The sea matches August at 27°C, the air is nearly two degrees cooler at 30.9°C, and the crowds thin noticeably after the first week. October is the value alternative, with 25°C water and 28.1°C air. June is the best of the early season at 24°C water. May looks tempting on the air temperature and disappoints on the sea, which is the most common planning mistake we see.
Planning around the water?
If the swimming matters more than the sunbathing, tell us your dates and we will be straight with you about what the sea will be doing. Our month-by-month guide covers the wider picture on weather and crowds, and our villas in Protaras sit within a few minutes of the sheltered bays that stay comfortable longest. Book direct and you get our team in Paralimni on the phone, who swim here all year and will tell you honestly whether your week will suit.