Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
110km²
Area
120km
Coastline
760m
Highest point
24°C
Warmest sea
August
16km
To the mainland
When to go to Kalymnos
Best for the beach from July to September.
The sea is warmest in August (24 °C) and coolest in March (16 °C). Comfortable swimming (21 °C or more): from June to October.
Averages 1991–2020. Sea: NOAA OISST, the water within 35 km of the coast. Air, rain and sun: NASA POWER. Best months weigh warm afternoons (23–30 °C), sea of 24 °C or more and few wet days.
Greek island
Kalymnos is an island in Greece. It covers 110 km², with 120 km of coastline. Its highest point rises to 760 m. The nearest mainland is 16 km away.
Getting there
- Kos International Airport "Ippokratis" (KGS)nearest airport with scheduled flights · 24 km in a straight lineCar hire at KGS airport (Kos Island)Discover Cars · Affiliate link↗
- FerriesKálymnos - Kos (Mastichári), Samos (Karlovasi) - Kalymnos, Kalymnos - Kos, Kalymnos - Leros
- 16 km from the mainlanddistance to the nearest continental coast
- From July to Septemberbest months to go (from 30 years of averages)
Plan the trip
Ferries, stays and things to do
Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.
On the island
What you find on Kalymnos.
- 38beachesAlexis Beach, Platys Gialos beach, Linaria Beach and 35 more
- 2viewpoints
- 2lighthouses
- 3ferry terminalsKalymnos
- 3marinas
- 4named peaksTselemendes, Vighla and 2 more
- 7castles and fortsChrysocheria Castle, Castle of Chora of Kalymnos, Kastraki of Kalymnos and 4 more
- 10ruins and archaeological sitesAgios Ioannis - Early Christian Basilica, Christos tis Ierusalem (Early Christian Basilika), Early Christian Tomb and 7 more
- 48hotels, guesthouses and apartments
- 97restaurants, cafés and bars
Counted in OpenStreetMap, the map anyone can edit, inside the island's outline. A low number may only mean nobody has mapped it yet.
Cross-checked with our atlases
Kalymnos in our other atlases
Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Kalymnos, each with its own numbers.
1mountainPeakyas
The shape of the land.
On average the island stands 196 m above the sea. 56 % of it is below 200 m.
- 15 %0–50 m
- 41 %50–200 m
- 41 %200–500 m
- 3 %500–1,000 m
Share of the island's area in each altitude band, from the Copernicus DEM (30 m, read at 30–240 m on large islands).
Size, for real
Next to islands you may know.
10 km
All outlines drawn to the same scale (Natural Earth and OpenStreetMap).
Towns on the island
- Kálymnos12,324 people
- Pánormos2,069 people
Month by month
The weather on the island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | 15 | 15 | 16 | 18 | 21 | 25 | 27 | 28 | 25 | 22 | 19 | 16 |
| Night low (°C) | 12 | 12 | 14 | 15 | 18 | 22 | 24 | 24 | 23 | 20 | 17 | 14 |
| Sea (°C) | 17 | 17 | 16 | 17 | 19 | 22 | 23 | 24 | 24 | 22 | 20 | 19 |
| Rain (mm) | 134 | 99 | 58 | 37 | 21 | 5 | 1 | 1 | 18 | 43 | 88 | 127 |
| Wet days | 12 | 11 | 8 | 6 | 4 | 1 | 0 | 0 | 2 | 5 | 9 | 13 |
| Sun h/day | 4.2 | 5.0 | 7.2 | 8.9 | 10.8 | 12.6 | 12.9 | 11.9 | 10.0 | 7.7 | 5.7 | 4.0 |
| Wind (km/h) | 26 | 25 | 23 | 20 | 17 | 20 | 24 | 23 | 21 | 20 | 21 | 24 |
Averages 1991–2020 for the ~55 km NASA POWER cell over the island; the sea from NOAA OISST.
Recent years
Warmer and cooler years at sea.
Each month's sea temperature compared with its 1991–2020 average, in degrees.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | +0.3 | +0.3 | +0.1 | +0.3 | +0.5 | +0.5 | +0.2 | ±0.0 | +1.3 | +1.5 | +1.0 | +2.0 |
| 2021 | +1.9 | +1.2 | +0.8 | +0.7 | +0.5 | ±0.0 | +0.7 | +0.8 | ±0.0 | +0.2 | +0.4 | +0.6 |
| 2022 | +0.8 | +0.5 | +0.3 | +0.2 | +0.3 | +0.1 | −0.5 | +0.5 | +0.2 | −1.4 | ±0.0 | +1.2 |
| 2023 | +1.8 | +0.8 | +0.7 | +0.6 | −0.2 | −0.3 | +1.1 | +1.9 | +2.0 | +1.8 | +2.5 | +1.8 |
| 2024 | +2.1 | +0.9 | +1.1 | +1.1 | +0.4 | +1.0 | +1.8 | +1.5 | +0.9 | +0.6 | +0.6 | +1.4 |
| 2025 | +1.2 | +0.9 | +0.7 | +0.3 | +0.5 | −0.1 | +1.6 | +0.9 | +0.2 | +0.4 | +1.2 | +1.5 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.




About these numbers
| Names, area, population | Wikidata (Q527809) · CC0 |
|---|---|
| Outline | © OpenStreetMap contributors · ODbL |
| Sea temperature | NOAA OISST v2.1 · 1991–2020 |
| Climate | NASA POWER · 1991–2020 |
| Relief, 3D model | Copernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA |
| Beaches, ports, lighthouses, trails | © OpenStreetMap contributors · ODbL |
| Towns | GeoNames · CC BY 4.0 |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
| Beaches, mountains, lakes and waterfalls | Peakyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0 |
Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.
The family
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