Jersey weather

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The weather guide for Jersey shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

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Jersey holiday rentals

Find holiday rentals in Jersey, Channel Islands including holiday homes, self-catering accommodation, B&Bs, shared space, home swaps and short-term lets.

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Jersey hotels

Compare prices for hotels in Jersey, Channel Islands by booking directly with hotel chains and independent hotels or via online travel agencies and hotel comparison websites.

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Jersey car hire

Need to hire a car for Jersey, Channel Islands? Check out the car hire companies and brokers offering car rentals for Jersey, Channel Islands.

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Which is the hottest month in Jersey?

The hottest time of year in St Helier, Jersey is normally July. Expect maximum daytime temperatures to reach 20°C.

Which month has the most rain in Jersey?

In terms of rainfall, November is usually the wettest month in St Helier, Jersey with 115mm on average. There are normally 19 days in November with some rain.

When is it sunniest in Jersey?

The sunniest time of year in St Helier, Jersey is normally July with bright sunshine on average for 53% of daylight hours; that's 8 hours of sunshine per day.

When is the sea warmest in Jersey?

The sea is usually at its warmest in St Helier, Jersey in August when the water temperature reaches 18°C.

Metric (°C / mm)  |  Imperial (°F / inches)

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Compare Jersey weather with the USA

Below the Jersey weather chart shows average maximum daytime temperature for Jersey (St Helier) and the USA (Washington).

Maximum daytime temperature (°C)

Jersey (St Helier)
USA (Washington)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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Jersey weather overview

Jersey has a delightfully warm summer climate and enjoys mild, if rainy, winters. On the long summer days, between May and September, you can bask in an average of 8 hours of sunshine a day but, if you are planning a walk or a visit to the beach, take a cover-up as those sea breezes can be chilly.

Rain falls mainly in the autumn and winter but can occur sporadically in the summer months. Winters are cool but rarely very cold.

What to pack for Jersey weather

Take relatively warm clothing for the cool winter months and, in the summer, supplement beach wear and light clothing with a warm wrap, just in case. Be prepared for rain at any time of year.

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