Jersey weather averages for holidays in 2017/2018

Check Jersey weather averages before you book your next holiday in 2017/2018. Today's maximum temperature in Jersey is expected to be 11°C, while the average maximum temperature in April is 12°C. The weather guide for Jersey shown below is for St Helier. Read more about the weather in Jersey.

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Jersey weather averages

Check Jersey weather averages before you book your next holiday. The warmest months in Jersey 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 Jersey in August with an average sea temperature of 18°C. The Jersey weather averages shown below are for St Helier.

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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Jersey weather today

Here is the weather in Jersey today, Sunday 30th April 2017. Expect isolated thunderstorms in Jersey with a maximum temperature of 11°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 97% chance of some rain and a fresh breeze of 36 kph from the south. The weather forecast shown below is for St Helier.

  • 11
    °C maximum temperature
  • 8
    °C minimum temperature
  • isolated thunderstorms
  • 0
    hours of sunshine
  • 97
    % chance of some rain
  • <10
    mm of rainfall expected
  • 0
    no heat & humidity
  • 36
    kph wind from S

5-day weather forecast

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.

Tropical storm risk: 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 Jersey tropical storm risk chart above shows the hurricane season for St Helier, Jersey.

More about tropical storms

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Jersey holiday weather averages by month

Check Jersey 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 Jersey weather with the USA

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

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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