Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
120km²
Area
98km
Coastline
143m
Highest point
Les Platons
105,500
People
18°C
Warmest sea
August
19km
To the mainland
When to go to Jersey
Best to visit from July to August.
The sea is warmest in August (18 °C) and coolest in February (9 °C). The water never reaches 21 °C: bring a wetsuit.
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.
Largest island of the Channel Islands; part of the Bailiwick of Jersey
Jersey is an island in Jersey. It belongs to Channel Islands. It covers 120 km², with 98 km of coastline. Its highest point, Les Platons, rises to 143 m. About 105,500 people live on it. The nearest mainland is 19 km away.
Getting there
- Jersey Airport (JER)airport on the island, with scheduled flightsCar hire at JER airport (St. Peter)Discover Cars · Affiliate link↗
- FerriesGuernsey (GBG) - Jersey (GBJ), Saint Malo (F)- St. Helier (GBJ), Granville (F) - Jersey (GBJ), Poole (UK) - Jersey (GBJ)
- 19 km from the mainlanddistance to the nearest continental coast
- From July to Augustbest 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 Jersey.
- 51beachesGreen Island Beach, Petit Portelet, L'Écliavillon and 48 more
- 40viewpointsSorel Point, Ronez Point, Noirmont Point and 37 more
- 3lighthousesSorel Point Lighthouse
- 2ferry terminalsElizabeth Terminal
- 7marinasElizabeth Marina, La Collette Yacht Basin, Old Harbour and 4 more
- 3named peaksLes Platons, Le Câtel de Lecq, Motorbike Rock
- 6waterfallsPlemont bay, Les Mouriers, Creux Gros and 3 more
- 9castles and fortsGrosnez Castle, Fort Regent, Mount Pride Castle and 6 more
- 49ruins and archaeological sitesDolmen des Monts Grantez, Mont Ubé dolmen, The "Center Stone" and 46 more
- 6campsitesJAAC Camping, Rozel Camping Park, The Palms Campsite and Oasis Cafe and 3 more
- 88hotels, guesthouses and apartments
- 274restaurants, 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
Jersey in our other atlases
Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Jersey, each with its own numbers.
21beaches and covesCoastya
2mountainsPeakyas
1waterfallCascadyas
Highest point
136m
Les Platons
prominence 136 m · according to Peakyas
Beach with the warmest sea
17.9°C
sea in the warmest month · according to Coastya
21 beaches
on Coastya, the beach atlas
- Green Island Beach17.9°C
- L’Ouziere17.9°C
- Havre de Fontainescove17.9°C
- Les Laveurs17.9°C
- Grève de Lecq17.9°C
- La Grève d' Azette17.9°C
- Sand Eel Beach17.4°C
- Petit Portcove17.4°C
13 more on CoastyaOpen Coastya ↗
1 waterfalls
on Cascadyas, the waterfall atlas
- Les Mouriers
Cascadyas is coming soonOpen Cascadyas ↗
The shape of the land.
On average the island stands 67 m above the sea. 100 % of it is below 200 m.
- 26 %0–50 m
- 74 %50–200 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
- Saint Helier28,000 people
- St Lawrence5,561 people
- St Martin3,948 people
- Trinity3,355 people
- Saint John3,051 people
- Le Hocqno census figure
Month by month
The weather on the island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | 9 | 9 | 10 | 12 | 15 | 18 | 19 | 20 | 18 | 16 | 12 | 10 |
| Night low (°C) | 6 | 5 | 6 | 8 | 11 | 14 | 15 | 16 | 15 | 12 | 10 | 7 |
| Sea (°C) | 10 | 9 | 9 | 10 | 12 | 14 | 16 | 18 | 17 | 16 | 14 | 11 |
| Rain (mm) | 80 | 67 | 59 | 44 | 53 | 47 | 51 | 54 | 47 | 82 | 94 | 94 |
| Wet days | 15 | 13 | 12 | 11 | 11 | 10 | 10 | 10 | 11 | 15 | 17 | 16 |
| Sun h/day | 1.5 | 2.7 | 4.5 | 7.1 | 7.6 | 8.2 | 8.3 | 7.0 | 6.2 | 3.4 | 2.0 | 1.3 |
| Wind (km/h) | 27 | 26 | 24 | 20 | 20 | 18 | 19 | 19 | 20 | 24 | 26 | 27 |
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 | +0.7 | +1.0 | +0.7 | +0.6 | +0.6 | +0.7 | +0.7 | +1.0 | +1.0 | +0.3 | +0.4 | +0.8 |
| 2021 | +0.5 | +0.3 | +0.2 | −0.4 | −0.4 | ±0.0 | −0.4 | −0.2 | +0.6 | +0.8 | +0.8 | +0.2 |
| 2022 | +0.6 | +1.0 | +1.1 | +0.9 | +1.6 | +1.0 | +1.2 | +1.1 | +1.3 | +0.9 | +1.3 | +0.6 |
| 2023 | +1.1 | +0.6 | +0.5 | +0.4 | +0.7 | +0.9 | +0.9 | +0.2 | +1.4 | +1.4 | +0.7 | +0.6 |
| 2024 | +0.7 | +1.2 | +1.4 | +1.2 | +1.3 | +1.0 | +0.7 | +0.7 | +0.2 | +0.6 | +1.0 | +0.4 |
| 2025 | +0.3 | +0.3 | +0.6 | +1.1 | +1.3 | +1.6 | +1.6 | +1.0 | +0.4 | +0.2 | +0.3 | +0.6 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.




Nearby
More islands nearby.
Guernsey
Sark
Herm
Alderney
La Motte
Isle of Wight
Île de Batz
Isle of PortlandAbout these numbers
| Names, area, population | Wikidata (Q15706498) · 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, Peakyas, Cascadyas — 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.
The family
Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers or canyons?
Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.