Greece
Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
84.3km²
Area
100km
Coastline
442m
Highest point
21,124
People
24°C
Warmest sea
August
72km
To the mainland
When to go to Syros
Best for the beach from July to September.
The sea is warmest in August (24 °C) and coolest in February (15 °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 in the Cyclades
Syros is an island in Greece. It belongs to Cyclades. It covers 84.3 km², with 100 km of coastline. Its highest point rises to 442 m. About 21,124 people live on it. The nearest mainland is 72 km away.
Getting there
- Mykonos Island National Airport (JMK)nearest airport with scheduled flights · 40 km in a straight lineCar hire at JMK airport (Mykonos)Discover Cars · Affiliate link↗
- FerriesSyros - Paros, Syros - Mykonos, Syros - Tinos, Syros - Patmos
- 72 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 Syros.
- 51beachesKini beach, Vari Beach, Galissa beach and 48 more
- 7viewpointsview of Ermoupoli, Swim spot and 5 more
- 3lighthouses
- 2ferry terminalsSyros
- 5marinasSyros Marina and 4 more
- 26named peaksPyrgos, Syrigas, Pýrgos and 23 more
- 3ruins and archaeological sitesKastri
- 3dive centresMaistrali Marine, Syros Diving Center
- 1campsitesAnassa Cycladic Village
- 103hotels, guesthouses and apartments
- 152restaurants, 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
Syros in our other atlases
Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Syros, each with its own numbers.
18beaches and covesCoastya
Beach with the warmest sea
24.3°C
sea in the warmest month · according to Coastya
18 beaches
on Coastya, the beach atlas
- Azolimnos beach24.3°C
- Armeos Beach24.3°C
- Galissas Beach24.3°C
- Lotos beach24.3°C
- Kimata beach24.3°C
- Delphini Beach24.3°C
- Vari beach24.3°C
- Axladi beach24.3°C
10 more on CoastyaOpen Coastya ↗
The shape of the land.
On average the island stands 108 m above the sea. 85 % of it is below 200 m.
- 29 %0–50 m
- 56 %50–200 m
- 15 %200–500 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
- Ermoúpolis11,351 people
- Vári1,266 people
- Áno Sýros1,138 people
Month by month
The weather on the island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | 14 | 14 | 15 | 17 | 20 | 24 | 26 | 27 | 24 | 21 | 18 | 15 |
| Night low (°C) | 12 | 12 | 13 | 15 | 18 | 22 | 24 | 24 | 22 | 19 | 16 | 13 |
| Sea (°C) | 16 | 15 | 16 | 16 | 18 | 22 | 24 | 24 | 24 | 22 | 19 | 17 |
| Rain (mm) | 99 | 78 | 51 | 27 | 20 | 9 | 5 | 4 | 24 | 53 | 73 | 92 |
| Wet days | 13 | 12 | 9 | 6 | 4 | 2 | 1 | 1 | 4 | 8 | 11 | 13 |
| Sun h/day | 3.7 | 4.6 | 6.8 | 8.5 | 10.4 | 12.1 | 12.4 | 11.3 | 9.5 | 7.1 | 5.1 | 3.5 |
| Wind (km/h) | 26 | 25 | 23 | 21 | 17 | 18 | 23 | 25 | 22 | 22 | 22 | 25 |
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 | +0.6 | +0.5 | +0.3 | +0.2 | +0.7 | +0.5 | −0.5 | +0.1 | +0.8 | +1.7 | +0.5 | +0.9 |
| 2021 | +1.5 | +1.2 | +0.9 | +0.7 | +0.9 | +1.2 | +0.9 | +1.0 | +0.4 | −0.1 | ±0.0 | +0.3 |
| 2022 | +1.2 | +0.7 | +0.5 | +0.4 | +0.5 | −0.5 | −0.8 | +0.1 | +1.1 | −0.4 | −0.6 | +0.9 |
| 2023 | +1.6 | +0.8 | +0.7 | +0.6 | −0.4 | −0.7 | +1.4 | +1.7 | +0.6 | +0.8 | +2.2 | +1.8 |
| 2024 | +1.9 | +0.8 | +1.2 | +1.2 | +0.3 | +0.5 | +0.4 | +1.4 | +1.8 | +1.6 | +0.4 | +1.4 |
| 2025 | +1.1 | +1.2 | +0.8 | +0.1 | −0.1 | −0.7 | +0.7 | +0.5 | +0.5 | +0.7 | +1.7 | +1.6 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.
Nearby
More islands nearby.
About these numbers
| Names, area, population | Wikidata (Q211230) · 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 | Coastya — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0; NOAA OISST |
Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.
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