Kefalos Beach Water Temperature & Swim Forecast
Greek beach near Kefalos.
Live conditions loading.
Location
Kefalos Beach on the map, with nearby beaches and live sea temperatures.
7-day forecast
Water, air, waves, wind and UV outlook for the week ahead.
Check live temperature
Live water temperature is loading — refresh in a moment for a precise recommendation.
Recommendation tuned for Kefalos Beach's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.
Kefalos Beach swimming conditions summary
- Water temperature
- —
- Water feels
- —
- Swimmable today
- Loading live reading
- Swim conditions score
- —
- Wetsuit needed
- Check live temperature
- Air temperature
- —
- Waves
- —
- Wind
- —
- UV index
- —
- Warmest months to swim
- July, August, September
Live water temperature is loading — refresh in a moment for a precise recommendation. Live marine data updated hourly from Open-Meteo Marine.
Frequently asked questions
Can I swim at Kefalos Beach right now?
Live data is loading. Use the 7-day forecast above to plan your swim — conditions above 22°C are comfortable for most swimmers.
What will the sea temperature be at Kefalos Beach next week?
Based on long-term August averages and the latest marine model, expect the sea around Kefalos Beach to sit close to 26.0°C over the next 7 days. Check the live 7-day chart above for the exact daily outlook.
When is the best month to swim at Kefalos Beach?
July – August – September are typically the warmest months to swim at Kefalos Beach, with sea temperatures at their seasonal peak.
Can I swim at Kefalos Beach today?
Live data is loading. In summer, this beach typically offers comfortable swimming conditions.
- • Located in Kos, Greece (Aegean Sea).
- • Family friendly with calm, accessible water.
- • Live data refreshed hourly from Open-Meteo Marine.
Monthly sea temperature averages
Tap any month to see what to expect — based on regional climatology.
Best time to swim in Kefalos Beach
The sea in Kefalos Beach peaks in August, when the water averages around 26°C.
The main swimming season runs from May – November, when surface temperatures stay comfortable for extended sessions.
On average, 7 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.
Shoulder months like April and December are noticeably cooler but often quieter, with fewer crowds and steadier weather.
Outside peak season the water drops toward 17°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable.
The coldest month is typically February at around 15°C, when cold-water swimmers dominate the coast.
Kefalos Beach sea temperature history
Long-term climatology for Kefalos Beach shows an annual mean sea temperature of 20°C, ranging from 15°C in winter to 26°C at the summer peak.
The seasonal swing is roughly 11°C between the coldest and warmest month — a useful yardstick when comparing years or checking whether the current sea is running above or below average.
Recent decades have trended slightly warmer at Kefalos Beach, in line with regional sea-surface temperature records for the wider basin.
Monthly averages below are drawn from multi-decadal climatology and are updated as new observations arrive.
Kefalos Beach sea temperature: frequently asked questions
What is the warmest month to swim in Kefalos Beach?
August is the warmest month in Kefalos Beach, when the sea averages about 26°C. Late-season warmth often persists a few weeks after peak.
When is the sea coldest in Kefalos Beach?
The coldest month in Kefalos Beach is typically February, when the water averages around 15°C. Cold-water swimmers and surfers dominate this period.
When can you swim in Kefalos Beach without a wetsuit?
The main swimming season in Kefalos Beach runs from May – November — about 7 months a year when the sea sits above 20°C, the level most swimmers describe as pleasant without a wetsuit.
Do I need a wetsuit in Kefalos Beach?
Outside peak summer the water in Kefalos Beach drops toward 17°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable. In peak months most swimmers go without.
What is the average sea temperature in Kefalos Beach?
The long-term annual mean sea temperature in Kefalos Beach is about 20°C, based on multi-decadal climatology of the surrounding waters.
How do I check the current sea temperature in Kefalos Beach?
The live reading at the top of this page shows the current sea temperature in Kefalos Beach, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.
Year-round sea temperature
Best swim months: May – Jun – Jul – Aug – Sep – Oct – Nov
| Month | Sea | Comfort |
|---|---|---|
| Jan | 16°C | Bracing |
| Feb | 15°C | Bracing |
| Mar | 15°C | Bracing |
| Apr | 17°C | Bracing |
| May | 20°C | Pleasant |
| Jun | 23°C | Warm |
| Jul | 25°C | Warm |
| Aug ⭐ | 26°C | Hot |
| Sep | 25°C | Warm |
| Oct | 22°C | Warm |
| Nov | 20°C | Pleasant |
| Dec | 17°C | Bracing |
Nearby beaches
The closest coastline, with live water temperatures.