St Helier weather averages

Going to St Helier? Find the best month to visit St Helier based on the weather.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Check St Helier weather averages before you book your next holiday in 2019/2020. Today's maximum temperature in St Helier is expected to be 7°C, while the average maximum temperature in January is 8°C.

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More about St Helier

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The weather for St Helier, 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.

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

St Helier weather averages: best month

St Helier Best month Averages
Warmest July & August 20°C
Sunniest May, June, July & August 8 hours per day
Least rain July 10 days
Warmest sea August 18°C

St Helier climate guide

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Tropical storm risk: St Helier, Jersey hurricane season

% of month affected by tropical storms
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0
0
0
0
0
0
0
<1%
<1%
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0
Jan
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Aug
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Dec

The St Helier, Jersey tropical storm risk chart above shows the hurricane season. The chart was processed from data supplied by the US Meteorological Agency (NOAA). Find out more about our data sources.

More about tropical storms

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St Helier weather averages by month

Check St Helier holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare St Helier weather with the USA

Below the St Helier weather chart shows maximum daytime temperature for St Helier, Jersey and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

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

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

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