Saint Helier
Jersey
Long-term weather forecast
Long-term weather forecast

February weather forecast and climate
Saint Helier, Jersey

A shot of the Elizabeth Castle found on Tidal Island in Saint Helier Parish, Jersey
A shot of the Elizabeth Castle found on Tidal Island in Saint Helier Parish, Jersey
The last month of the winter, February, is also a frosty month in Saint Helier, Jersey, with average temperature fluctuating between 9.7°C (49.5°F) and 4°C (39.2°F).

Temperature

In Saint Helier, Jersey, the average high-temperature is almost the same as in January - a still frosty 9.7°C (49.5°F). The average low-temperature, in Saint Helier, is 4°C (39.2°F).

Rainfall

In Saint Helier, during February, the rain falls for 15.9 days and regularly aggregates up to 73.6mm (2.9") of precipitation. Throughout the year, in Saint Helier, there are 176.4 rainfall days, and 853.3mm (33.6") of precipitation is accumulated.

Sea temperature

February and March, with an average sea temperature of 9°C (48.2°F), are months with the coldest seawater. Swimming in 9°C (48.2°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

The average length of the day in February is 10.2h.

Sunshine

In Saint Helier, the average sunshine in February is 3h.

UV index

The average daily maximum UV index in February is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to the Sun's UV rays for the average person.
The average daily UV index of 2 transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in February in Saint Helier?

The average high-temperature, in February, in Saint Helier, is 9.7°C (49.5°F), while the average low-temperature is 4°C (39.2°F).

How much does it rain in Saint Helier in February?

In Saint Helier, during February, the rain falls for 15.9 days and regularly aggregates up to 73.6mm (2.9") of precipitation.

When is the sea coldest in Saint Helier?

Months with the coldest seawater are February and March, with an average sea temperature of 9°C (48.2°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

What is the sea water temperature in February in Saint Helier?

In Saint Helier, Jersey, the average seawater temperature in February is 9°C (48.2°F). Swimming in 9°C (48.2°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in February in Saint Helier?

In February, the average length of the day is 10.2h.

How many hours of sunshine does Saint Helier have in February?

In February, the average sunshine in Saint Helier, Jersey, is 3h.

What is the UV index reading in February in Saint Helier?

The average daily maximum UV index in February is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in February - Saint Helier, Jersey
  • Average high temperature in February: 9.7°C

The warmest month (with the highest average high temperature) is August (21.2°C).
The month with the lowest average high temperature is January (9.5°C).

  • Average low temperature in February: 4°C

The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is February (4°C).

Average rainfall in February - Saint Helier, Jersey
  • Average rainfall in February: 73.6mm

The wettest month (with the highest rainfall) is December (110.5mm).
The driest month (with the lowest rainfall) is July (37mm).

Average rainfall days in February - Saint Helier, Jersey
  • Average rainfall days in February: 15.9 days

The month with the highest number of rainy days is December (19.5 days).
The month with the lowest number of rainy days is July (9.9 days).

Average sea temperature in February - Saint Helier, Jersey
  • Average sea temperature in February: 9°C

The best month for swimming (with the highest average sea temperature) is August (17°C).
Coldest months (with the lowest average sea temperature) are February and March (9°C).

Average daylight in February / Average sunshine in February - Saint Helier, Jersey
  • Average daylight in February: 10.2h

The month with the longest days is June (Average daylight: 16.2h).
The month with shortest days is December (Average daylight: 8.3h).

  • Average sunshine in February: 3h

Months with most sunshine are May, June, July and August (Average sunshine: 8h).
Months with least sunshine are January and December (Average sunshine: 2).

Average UV index in February - Saint Helier, Jersey
  • Average UV index in February: 2

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, November and December (UV index 1).