Saint Helier weather

The Saint Helier weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for Saint Helier, Jersey, Channel Islands.

Saint Helier weather averages

Check the Saint Helier weather averages for each month of the year including maximum daytime and minimum night-time temperatures, monthly rainfall, number of days with rain and average daily hours of sunshine for Saint Helier, Jersey, Channel Islands.

Max Day Temperature (°C)

Hours of Sunshine (daily)

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

Days with some Rainfall

Min Night Temperature (°C)

Monthly Rainfall (mm)

Back to top

Saint Helier weather by month

Check the weather for Saint Helier, Jersey, Channel Islands for a particular month by selecting from the list below. This gives the best indication of what to expect from the weather months in advance.

Back to top

Saint Helier weather in January

The average maximum daytime temperature in Saint Helier in January is a cool 8°C (46°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 2 hours of sunshine a day in Saint Helier during January.

  • 8°C maximum daytime temperature in January in Saint Helier8
    8°C max day temperature
  • 2 hours of sunshine per day in January in Saint Helier2
    2 hours of sunshine per day
  • 19 days with some rainfall in January in Saint Helier19
    19 days with some rainfall
  • 3°C minimum night-time temperature in January in Saint Helier3
    3°C min night temperature
  • 114 mm monthly rainfall in January in Saint Helier114
    114 mm of monthly rainfall

On average 114 mm (4.5 inches) of rain normally falls in Saint Helier during January with rain falling on 19 days of the month.

Back to months

Saint Helier weather in February

The average maximum daytime temperature in Saint Helier in February is a cool 9°C (48°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 3 hours of sunshine a day in Saint Helier during February.

  • 9°C maximum daytime temperature in February in Saint Helier9
    9°C max day temperature
  • 3 hours of sunshine per day in February in Saint Helier3
    3 hours of sunshine per day
  • 17 days with some rainfall in February in Saint Helier17
    17 days with some rainfall
  • 3°C minimum night-time temperature in February in Saint Helier3
    3°C min night temperature
  • 88 mm monthly rainfall in February in Saint Helier88
    88 mm of monthly rainfall

On average 88 mm (3.5 inches) of rain normally falls in Saint Helier during February with rain falling on 17 days of the month.

Back to months

Saint Helier weather in March

The average maximum daytime temperature in Saint Helier in March is a cool 11°C (52°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 4 hours of sunshine a day in Saint Helier during March.

  • 11°C maximum daytime temperature in March in Saint Helier11
    11°C max day temperature
  • 4 hours of sunshine per day in March in Saint Helier4
    4 hours of sunshine per day
  • 17 days with some rainfall in March in Saint Helier17
    17 days with some rainfall
  • 4°C minimum night-time temperature in March in Saint Helier4
    4°C min night temperature
  • 84 mm monthly rainfall in March in Saint Helier84
    84 mm of monthly rainfall

On average 84 mm (3.3 inches) of rain normally falls in Saint Helier during March with rain falling on 17 days of the month.

Back to months

Saint Helier weather in April

The average maximum daytime temperature in Saint Helier in April is a cool 13°C (55°F), while the average minimum night-time temperature is a cold 6°C (43°F). You can expect on average 6 hours of sunshine a day in Saint Helier during April.

  • 13°C maximum daytime temperature in April in Saint Helier13
    13°C max day temperature
  • 6 hours of sunshine per day in April in Saint Helier6
    6 hours of sunshine per day
  • 14 days with some rainfall in April in Saint Helier14
    14 days with some rainfall
  • 6°C minimum night-time temperature in April in Saint Helier6
    6°C min night temperature
  • 66 mm monthly rainfall in April in Saint Helier66
    66 mm of monthly rainfall

On average 66 mm (2.6 inches) of rain normally falls in Saint Helier during April with rain falling on 14 days of the month.

Back to months

Saint Helier weather in May

The average maximum daytime temperature in Saint Helier in May is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 8 hours of sunshine a day in Saint Helier during May.

  • 16°C maximum daytime temperature in May in Saint Helier16
    16°C max day temperature
  • 8 hours of sunshine per day in May in Saint Helier8
    8 hours of sunshine per day
  • 14 days with some rainfall in May in Saint Helier14
    14 days with some rainfall
  • 9°C minimum night-time temperature in May in Saint Helier9
    9°C min night temperature
  • 68 mm monthly rainfall in May in Saint Helier68
    68 mm of monthly rainfall

On average 68 mm (2.7 inches) of rain normally falls in Saint Helier during May with rain falling on 14 days of the month.

Back to months

Saint Helier weather in June

The average maximum daytime temperature in Saint Helier in June is a comfortable 19°C (66°F), while the average minimum night-time temperature is a cool 11°C (52°F). You can expect on average 8 hours of sunshine a day in Saint Helier during June.

  • 19°C maximum daytime temperature in June in Saint Helier19
    19°C max day temperature
  • 8 hours of sunshine per day in June in Saint Helier8
    8 hours of sunshine per day
  • 13 days with some rainfall in June in Saint Helier13
    13 days with some rainfall
  • 11°C minimum night-time temperature in June in Saint Helier11
    11°C min night temperature
  • 63 mm monthly rainfall in June in Saint Helier63
    63 mm of monthly rainfall

On average 63 mm (2.5 inches) of rain normally falls in Saint Helier during June with rain falling on 13 days of the month.

Back to months

Saint Helier weather in July

The average maximum daytime temperature in Saint Helier in July is a comfortable 21°C (70°F), while the average minimum night-time temperature is a cool 13°C (55°F). You can expect on average 8 hours of sunshine a day in Saint Helier during July.

  • 21°C maximum daytime temperature in July in Saint Helier21
    21°C max day temperature
  • 8 hours of sunshine per day in July in Saint Helier8
    8 hours of sunshine per day
  • 11 days with some rainfall in July in Saint Helier11
    11 days with some rainfall
  • 13°C minimum night-time temperature in July in Saint Helier13
    13°C min night temperature
  • 49 mm monthly rainfall in July in Saint Helier49
    49 mm of monthly rainfall

On average 49 mm (1.9 inches) of rain normally falls in Saint Helier during July with rain falling on 11 days of the month.

Back to months

Saint Helier weather in August

The average maximum daytime temperature in Saint Helier in August is a warm 22°C (72°F), while the average minimum night-time temperature is a cool 13°C (55°F). You can expect on average 8 hours of sunshine a day in Saint Helier during August.

  • 22°C maximum daytime temperature in August in Saint Helier22
    22°C max day temperature
  • 8 hours of sunshine per day in August in Saint Helier8
    8 hours of sunshine per day
  • 12 days with some rainfall in August in Saint Helier12
    12 days with some rainfall
  • 13°C minimum night-time temperature in August in Saint Helier13
    13°C min night temperature
  • 67 mm monthly rainfall in August in Saint Helier67
    67 mm of monthly rainfall

On average 67 mm (2.6 inches) of rain normally falls in Saint Helier during August with rain falling on 12 days of the month.

Back to months

Saint Helier weather in September

The average maximum daytime temperature in Saint Helier in September is a comfortable 19°C (66°F), while the average minimum night-time temperature is a cool 12°C (54°F). You can expect on average 6 hours of sunshine a day in Saint Helier during September.

  • 19°C maximum daytime temperature in September in Saint Helier19
    19°C max day temperature
  • 6 hours of sunshine per day in September in Saint Helier6
    6 hours of sunshine per day
  • 14 days with some rainfall in September in Saint Helier14
    14 days with some rainfall
  • 12°C minimum night-time temperature in September in Saint Helier12
    12°C min night temperature
  • 91 mm monthly rainfall in September in Saint Helier91
    91 mm of monthly rainfall

On average 91 mm (3.6 inches) of rain normally falls in Saint Helier during September with rain falling on 14 days of the month.

Back to months

Saint Helier weather in October

The average maximum daytime temperature in Saint Helier in October is a comfortable 15°C (59°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 4 hours of sunshine a day in Saint Helier during October.

  • 15°C maximum daytime temperature in October in Saint Helier15
    15°C max day temperature
  • 4 hours of sunshine per day in October in Saint Helier4
    4 hours of sunshine per day
  • 17 days with some rainfall in October in Saint Helier17
    17 days with some rainfall
  • 9°C minimum night-time temperature in October in Saint Helier9
    9°C min night temperature
  • 112 mm monthly rainfall in October in Saint Helier112
    112 mm of monthly rainfall

On average 112 mm (4.4 inches) of rain normally falls in Saint Helier during October with rain falling on 17 days of the month.

Back to months

Saint Helier weather in November

The average maximum daytime temperature in Saint Helier in November is a cool 11°C (52°F), while the average minimum night-time temperature is a cold 6°C (43°F). You can expect on average 3 hours of sunshine a day in Saint Helier during November.

  • 11°C maximum daytime temperature in November in Saint Helier11
    11°C max day temperature
  • 3 hours of sunshine per day in November in Saint Helier3
    3 hours of sunshine per day
  • 19 days with some rainfall in November in Saint Helier19
    19 days with some rainfall
  • 6°C minimum night-time temperature in November in Saint Helier6
    6°C min night temperature
  • 123 mm monthly rainfall in November in Saint Helier123
    123 mm of monthly rainfall

On average 123 mm (4.8 inches) of rain normally falls in Saint Helier during November with rain falling on 19 days of the month.

Back to months

Saint Helier weather in December

The average maximum daytime temperature in Saint Helier in December is a cool 9°C (48°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 2 hours of sunshine a day in Saint Helier during December.

  • 9°C maximum daytime temperature in December in Saint Helier9
    9°C max day temperature
  • 2 hours of sunshine per day in December in Saint Helier2
    2 hours of sunshine per day
  • 19 days with some rainfall in December in Saint Helier19
    19 days with some rainfall
  • 4°C minimum night-time temperature in December in Saint Helier4
    4°C min night temperature
  • 127 mm monthly rainfall in December in Saint Helier127
    127 mm of monthly rainfall

On average 127 mm (5 inches) of rain normally falls in Saint Helier during December with rain falling on 19 days of the month.

Back to months

Destination search