St Helier weather averages for holidays in 2017/2018

Check St Helier weather averages before you book your next holiday in 2017/2018. Today's maximum temperature in St Helier is expected to be 19°C, while the average maximum temperature in September is 19°C.

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St Helier weather averages

Check out the St Helier weather averages before you book your next holiday to Jersey. The warmest months in St Helier are July and August with an average maximum temperature of 20°C. The sunniest months are May, June, July and August with on average 8 hours of bright sunshine per day. The month with the least number of days with some rain is July with 10 days. The sea is at its warmest in St Helier in August with an average sea temperature of 18°C.

Maximum daytime temperature (°C)

Hours of sunshine (daily)

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

Days with some rainfall

Sea temperature (°C)

More weather parameters

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

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St Helier weather today

Here is the weather in St Helier today, Saturday 23rd September 2017. Expect clear skies in St Helier, Jersey with a maximum temperature of 19°C and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south.

  • 19
    °C maximum temperature
  • 11
    °C minimum temperature
  • clear skies
  • 10
    hours of sunshine
  • 0
    mm of rainfall expected
  • 0
    no heat & humidity
  • 21
    kph wind from S

5-day weather forecast

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

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Tropical storm risk: St Helier, Jersey hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
0
<1%
<1%
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

The St Helier, Jersey tropical storm risk chart above shows the hurricane season.

More about tropical storms

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St Helier holiday 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)

Compare more St Helier weather >>

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