Saint Peter Port
Guernsey
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Saint Peter Port, Guernsey

A calm sunny day in Saint Peter Port, Guernsey, with ships docked at the harbor, and a clear skyline in the horizon
A calm sunny day in Saint Peter Port, Guernsey, with ships docked at the harbor, and a clear skyline in the horizon
October, like September, is another mild autumn month in Saint Peter Port, Guernsey, with temperature in the range of an average high of 15°C (59°F) and an average low of 11°C (51.8°F).

Temperature

In Saint Peter Port, the average high-temperature marginally drops, from a comfortable 18°C (64.4°F) in September, to a moderate 15°C (59°F). The average low-temperature, in Saint Peter Port, is 11°C (51.8°F).

Rainfall

In Saint Peter Port, in October, it is raining for 15 days, with typically 81mm (3.2") of accumulated precipitation. Throughout the year, in Saint Peter Port, there are 175 rainfall days, and 799mm (31.5") of precipitation is accumulated.

Sea temperature

In Saint Peter Port, the average seawater temperature in October is 15°C (59°F). For swimming, a surface water temperature of 15°C (59°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

Daylight

In Saint Peter Port, Guernsey, the average length of the day is 10.8h.

Sunshine

The average sunshine in October is 4h.

UV index

In October, the average daily maximum UV index in Saint Peter Port is 2. A UV Index reading of 2, and below, represents a low health risk from the exposure to the Sun's UV rays for the average person.
In October, the average maximum UV index of 2 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 October in Saint Peter Port?

In Saint Peter Port, in October, the average high-temperature is 15°C (59°F), and the average low-temperature is 11°C (51.8°F).

How many days does it rain in October in Saint Peter Port?

In October, in Saint Peter Port, Guernsey, the rain falls for 15 days. Throughout October, 81mm (3.2") of precipitation is accumulated.

What is the sea temperature in October in Saint Peter Port?

In Saint Peter Port, Guernsey, the average seawater temperature in October is 15°C (59°F). For most, swimming in 15°C (59°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

How many hours of daylight does Saint Peter Port have in October?

In October, the average length of the day in Saint Peter Port is 10.8h.

How many hours of sunshine does Saint Peter Port have in October?

In Saint Peter Port, the average sunshine in October is 4h.

How high is the UV index in October in Saint Peter Port?

The average daily maximum UV index in October in Saint Peter Port is 2. A UV Index reading of 2, and below, represents a low health threat from the exposure to the Sun's UV radiation.
Average temperature in October - Saint Peter Port, Guernsey
  • Average high temperature in October: 15°C

The warmest month (with the highest average high temperature) is August (20°C).
The month with the lowest average high temperature is February (8°C).

  • Average low temperature in October: 11°C

The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (4°C).

Average rainfall in October - Saint Peter Port, Guernsey
  • Average rainfall in October: 81mm

The wettest month (with the highest rainfall) is December (100mm).
The driest month (with the lowest rainfall) is July (37mm).

Average rainfall days in October - Saint Peter Port, Guernsey
  • Average rainfall days in October: 15 days

The month with the highest number of rainy days is January (20 days).
The month with the lowest number of rainy days is July (10 days).

Average sea temperature in October - Saint Peter Port, Guernsey
  • Average sea temperature in October: 15°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 October / Average sunshine in October - Saint Peter Port, Guernsey
  • Average daylight in October: 10.8h

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 October: 4h

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

Average UV index in October - Saint Peter Port, Guernsey
  • Average UV index in October: 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).