Jersey

Jersey in June

Where it is warm, dry and good for swimming in Jersey in June — compared across the country’s main destinations.

Quick answers
Where is it warmest in Jersey in June?
St Martin is the warmest of the 6 destinations compared, with highs of 19°C (65°F) in June; Saint Helier is the coolest at 18°C (64°F).
Can you swim in the sea in Jersey in June?
Hardly: even the warmest water, at St Martin (15°C (58°F)), stays below 21 °C.
Warmest
19°
St Martin
Coolest
18°
Saint Helier
Driest
48 mm
St Martin
Warmest sea
15°
St Martin

Across Jersey, June highs run from 18°C (64°F) (Saint Helier) to 19°C (65°F) (St Martin). On average it is 2.5 °C (5 °F) warmer than May. Most destinations stay largely dry. Best bets this month: Saint Helier.

Weather in June by city

PlaceDayNightRainSeaScore
St Martin 19° 12° 48 mm 15° 67
Le Hocq 19° 12° 48 mm 15° 67
Saint Helier 18° 12° 48 mm 15° 64
Saint John 18° 12° 48 mm 15° 64
St Lawrence 18° 12° 48 mm 15° 64
Trinity 18° 12° 48 mm 15° 64

Public holidays in June

No nationwide public holidays this month.

Public holidays 2027 →

Frequently asked questions

What is the weather like in Jersey in June?

Average daytime highs range from 18° in Saint Helier to 19° in St Martin.

Can you swim in Jersey in June?

The sea is cool: the warmest water is around St Martin at about 15°.