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Jersey JerseyChannel IslandsIsland

Jersey

120 km² of land in the English Channel.

When to go

Jersey seen from space, cut out from the sea (Sentinel-2)
Saint HelierSt LawrenceSt MartinTrinitySaint JohnLe Hocq
N 2 km

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.

Sea temperature (the water level) Air: night low to afternoon high Wet days Best months

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.

Read more on Wikipedia

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

    Green Island Beach

    sea in the warmest month · according to Coastya

21 beaches

on Coastya, the beach atlas

  1. Green Island Beach17.9°C
  2. L’Ouziere17.9°C
  3. Havre de Fontainescove17.9°C
  4. Les Laveurs17.9°C
  5. Grève de Lecq17.9°C
  6. La Grève d' Azette17.9°C
  7. Sand Eel Beach17.4°C
  8. Petit Portcove17.4°C

13 more on CoastyaOpen Coastya ↗

2 mountains

on Peakyas, the mountain atlas

  1. Les Platonsprominence 136 m136m
  2. Mount Bingham

Open Peakyas ↗

1 waterfalls

on Cascadyas, the waterfall atlas

  1. 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.

Jersey120 km²
Malta247 km²
Santorini76 km²

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.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon high (°C)9910121518192018161210
Night low (°C)6568111415161512107
Sea (°C)1099101214161817161411
Rain (mm)806759445347515447829494
Wet days151312111110101011151716
Sun h/day1.52.74.57.17.68.28.37.06.23.42.01.3
Wind (km/h)272624202018191920242627

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.

JanFebMarAprMayJunJulAugSepOctNovDec
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.

About these numbers

Names, area, populationWikidata (Q15706498) · CC0
Outline© OpenStreetMap contributors · ODbL
Sea temperatureNOAA OISST v2.1 · 1991–2020
ClimateNASA POWER · 1991–2020
Relief, 3D modelCopernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA
Beaches, ports, lighthouses, trails© OpenStreetMap contributors · ODbL
TownsGeoNames · CC BY 4.0
ImagesEOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons
Beaches, mountains, lakes and waterfallsCoastya, 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.

beachesCoastyaFind your beach: sea temperature, sun and swimming month by month.Visit
lakesLakeyasEvery lake on Earth: water temperature, ice, depth and the shore.Coming soonVisit
mountainsPeakyasEvery summit in 3D: summit weather, the 0 °C line, huts and trails.Visit
waterfallsCascadyasEvery waterfall: height, flow month by month and when it roars.Coming soonVisit
islandsIslandyasEvery island from the sea up: size, sea temperature, ferries and 3D.You are here
riversRiveryasEvery river from source to sea: the journey, the flow and the basin in numbers.Visit canyonsCanyonyasEvery canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Visit