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St Helier weather
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Usually
in August
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Now
Today
Recommended for Jersey
The weather guide for Jersey, represented by St Helier, (St Helier) 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.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Metric (°C / mm) | Imperial (°F / inches)
Which is the hottest month in St Helier?
The hottest time of year in St Helier is normally July. Expect maximum daytime temperatures to reach 20°C.
Which month has the most rain in St Helier?
In terms of rainfall, November is usually the wettest month in St Helier with 115mm on average. There are normally 19 days in November with some rain.
When is it sunniest in St Helier?
The sunniest time of year in St Helier 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 St Helier?
The sea is usually at its warmest in St Helier in August when the water temperature reaches 18°C.
What is the flight time to Jersey from the UK?
The flight time to Jersey from the UK is typically 1 hour.
What is the time difference between Jersey and the UK?
The time difference between Jersey and the UK is GMT+0 hours.
What is the main language spoken in Jersey?
The main language spoken in Jersey is English.
Learn a language for Jersey with Busuu*, Lingoda* and Rocket Languages*.
What is the currency in Jersey?
The currency in Jersey is the Jersey Pound (JEP) and the British Pound (GBP).
Which plugs are used in Jersey?
Jersey uses electrical plug type G (230 Volts) - the same as the UK.
Which side of the road do they drive on in Jersey?
They drive on the left side of the road in Jersey.
Compare St Helier weather with the USA
Below the St Helier weather chart shows average maximum daytime temperature for St Helier, Jersey and the USA (Washington).
Maximum daytime temperature (°C)
St Helier, Jersey
USA (Washington)
Jan
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May
Jun
Jul
Aug
Sep
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Dec
Metric (°C / mm) | Imperial (°F / inches)
Compare more St Helier weather >>
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