Saint Helier (Channel Islands) weather in June
Jersey

June in Saint Helier: nice, a little rain, with clean air — an excellent time to visit.
#3 of 12 months in Saint Helier · #585 of 1383 destinations to visit in June · comfort 85/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Saint Helier in June
No notes yet. Open Saint Helier on the map to add the first one.
Saint Helier climate normals — June
| Daytime high | 17°C / 62°F | 😎 nice |
|---|---|---|
| Nighttime low | 14°C / 57°F | |
| Sea temperature | 18°C / 64°F | 🧊 bracing |
| Rainfall | 72 mm / 2.8 in | 🌦 some rain |
| Rainy days | 11 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 13°C / 55°F | |
| Sunshine | 12.2 h/day | |
| Daylight | 16.2 h | |
| Wind | 27 km/h / 17 mph | |
| Air quality (US AQI) | 46 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Saint Helier in June
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyBeach season, school holidays in 4 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Saint Helier's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Best weatherSaint Helier's weather peaks June–August, best around July.
Best weatherFair weatherToughest weather
What's on in Saint Helier in June
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Beach season
20 Jun – 20 Sep · usuallySea warm enoughCrowdedThe Channel only really warms up for three months, and the tide does the rest of the work: the sea goes out far enough at St Aubin's Bay to double the beach. Bring a wetsuit if you plan to be in it long. Source ↗
Nearby, and something's on
Within 300 km of Saint Helier — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Saint Helier?
Saint Helier in June — FAQ
- Is June a good time to visit Saint Helier?
- June in Saint Helier: nice, a little rain, with clean air — an excellent time to visit. It ranks #3 of 12 months for Saint Helier on SeasonMap's comfort score (85/100).
- What is the weather like in Saint Helier in June?
- In June, Saint Helier averages a daily high of 16.9°C and a low of 14.1°C, with about 71.7 mm of rain over roughly 11.2 rainy days.
- What is the air quality in Saint Helier in June?
- Saint Helier has a mean US Air Quality Index of about 46 in June.
Other months in Saint Helier
Compare Saint Helier in June
Warmer or cooler than Saint Helier in June
Similar destinations in Western Europe — June
Within 300 km: Isle of Wight's Round the Island Race around 20 Jun – 10 Jul, and Bristol's Bristol Pride on 27 Jun – 12 Jul.