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

November 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 autumn, November, is also a fresh month in Saint Helier, Jersey, with average temperature fluctuating between 11.9°C (53.4°F) and 7.4°C (45.3°F).

Temperature

In November, the average high-temperature marginally drops, from a moderate 15.7°C (60.3°F) in October, to a cool 11.9°C (53.4°F). In November, the average low-temperature is 7.4°C (45.3°F).

Rainfall

In Saint Helier, during November, the rain falls for 19.2 days and regularly aggregates up to 107.9mm (4.2") 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

In Saint Helier, the average seawater temperature in November is 13°C (55.4°F).
Note: Swimming in 13°C (55.4°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In November, the average length of the day in Saint Helier is 9.1h.

Sunshine

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

UV index

Months with the lowest UV index in Saint Helier are January, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from the exposure to the Sun's UV rays for the average person.
Note: In November, the average maximum UV index of 1 translate into the following recommendations:
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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in November in Saint Helier?

The average high-temperature, in November, in Saint Helier, Jersey, is 11.9°C (53.4°F), while the average low-temperature is 7.4°C (45.3°F).

How much does it rain in Saint Helier in November?

In November, in Saint Helier, the rain falls for 19.2 days. Throughout November, 107.9mm (4.2") of precipitation is accumulated.

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

In November, the average sea temperature is 13°C (55.4°F). Swimming in 13°C (55.4°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 November in Saint Helier?

In Saint Helier, the average length of the day in November is 9.1h.

How long on average sun shines in November in Saint Helier?

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

What is the month with the lowest UV index in Saint Helier?

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

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

The average daily maximum UV index in November is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health from the exposure to the Sun's UV radiation.
Average temperature in November - Saint Helier, Jersey
  • Average high temperature in November: 11.9°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 November: 7.4°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 November - Saint Helier, Jersey
  • Average rainfall in November: 107.9mm

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 November - Saint Helier, Jersey
  • Average rainfall days in November: 19.2 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 November - Saint Helier, Jersey
  • Average sea temperature in November: 13°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 November / Average sunshine in November - Saint Helier, Jersey
  • Average daylight in November: 9.1h

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 November: 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 November - Saint Helier, Jersey
  • Average UV index in November: 1

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).