October weather forecast and climate
Saint Peter Port, Guernsey

A calm sunny day in Saint Peter Port, Guernsey, with ships docked at the harbor
A calm sunny day in Saint Peter Port, Guernsey, with ships docked at the harbor

Weather in October

October, like September, is another mild autumn month in Saint Peter Port, Guernsey, with average temperature fluctuating between 15.5°C (59.9°F) and 13.6°C (56.5°F).

Temperature

In Saint Peter Port, the average high-temperature is essentially the same as in September - a mild 15.5°C (59.9°F). In October, the average low-temperature is 13.6°C (56.5°F).

Humidity

In October, the average relative humidity is 79%.

Rainfall

In Saint Peter Port, Guernsey, during October, the rain falls for 18.5 days and regularly aggregates up to 58mm (2.28") of precipitation. In Saint Peter Port, during the entire year, the rain falls for 196.3 days and collects up to 557mm (21.93") of precipitation.

Snowfall

February through December are months without snowfall in Saint Peter Port.

Sea temperature

In Saint Peter Port, the average seawater temperature in October is 15°C (59°F).
Note: 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).

Daylight

The average length of the day in Saint Peter Port is 10.7h.

Sunshine

In Saint Peter Port, the average sunshine is 4.9h.

UV index

In Saint Peter Port, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in October in Saint Peter Port?

In Saint Peter Port, in October, the average high-temperature is 15.5°C (59.9°F), and the average low-temperature is 13.6°C (56.5°F).

What is the average humidity in October in Saint Peter Port?

In Saint Peter Port, the average relative humidity in October is 79%.

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

In October, in Saint Peter Port, Guernsey, the rain falls for 18.5 days. Throughout October, 58mm (2.28") of precipitation is accumulated.

When it does not snow in Saint Peter Port?

February through December are months without snowfall in Saint Peter Port, Guernsey.

How cold is the water in October in Saint Peter Port?

In October, the average sea temperature in Saint Peter Port, Guernsey, 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 Saint Peter Port, Guernsey, the average length of the day in October is 10.7h.

How long on average sun shines in October in Saint Peter Port?

In October, the average sunshine in Saint Peter Port is 4.9h.

What is the UV index intensity in October in Saint Peter Port?

In Saint Peter Port, Guernsey, the average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in October
Saint Peter Port, Guernsey

Average temperature in October - Saint Peter Port, Guernsey
  • Average high temperature in October: 15.5°C

The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is February (9.2°C).

  • Average low temperature in October: 13.6°C

The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7°C).

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Average pressure in October
Saint Peter Port, Guernsey

Average pressure in October - Saint Peter Port, Guernsey
  • Average pressure in October: 1015.7mbar

The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).

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Average wind speed in October
Saint Peter Port, Guernsey

Average wind speed in October - Saint Peter Port, Guernsey
  • Average wind speed in October: 29.1km/h

The windiest month (with the highest average wind speed) is December (36km/h).
The calmest month (with the lowest average wind speed) is July (21.9km/h).

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Average humidity in October
Saint Peter Port, Guernsey

Average humidity in October - Saint Peter Port, Guernsey
  • Average humidity in October: 79%

Months with the highest relative humidity are June and July (84%).
Months with the lowest relative humidity are November and December (77%).

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Average rainfall in October
Saint Peter Port, Guernsey

Average rainfall in October - Saint Peter Port, Guernsey
  • Average rainfall in October: 58mm

The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is July (26mm).

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Average rainfall days in October
Saint Peter Port, Guernsey

Average rainfall days in October - Saint Peter Port, Guernsey
  • Average rainfall days in October: 18.5 days

The month with the highest number of rainy days is November (22.8 days).
The month with the least rainy days is June (11.5 days).

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Average snowfall in October
Saint Peter Port, Guernsey

Average snowfall in October - Saint Peter Port, Guernsey
  • Average snowfall in October: 0mm

The month with the highest snowfall is January (2mm).
Months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in October
Saint Peter Port, Guernsey

Average snowfall days in October - Saint Peter Port, Guernsey
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (0.3 days).
Months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

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Average sea temperature in October
Saint Peter Port, Guernsey

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).
The coldest months (with the lowest average sea temperature) are February and March (9°C).

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Average daylight in October /
Average sunshine in October
Saint Peter Port, Guernsey

Average daylight in October / Average sunshine in October - Saint Peter Port, Guernsey
  • Average daylight in October: 10.7h

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

  • Average sunshine in October: 4.9h

The month with the most sunshine is July (Average sunshine: 9.7h).
Months with the least sunshine are January, November and December (Average sunshine: 3.9).

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Average sunshine days in October
Saint Peter Port, Guernsey

Average sunshine days in October - Saint Peter Port, Guernsey
  • Average sunshine days in October: 8.6 days

The month with the most sunshine days is May (16.3 days).
The month with the least sunshine days is November (4 days).

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Average UV index in October
Saint Peter Port, Guernsey

Average UV index in October - Saint Peter Port, Guernsey
  • Average UV index in October: 4

Months with the highest UV index are July, August and September (UV index 5).
The month with the lowest UV index is February (UV index 2).

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Average cloud cover in October
Saint Peter Port, Guernsey

Average cloud cover in October - Saint Peter Port, Guernsey
  • Average cloud cover in October: 50

Months with the most cloud cover are November and December (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 37).

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Average visibility in October
Saint Peter Port, Guernsey

Average visibility in October - Saint Peter Port, Guernsey
  • Average visibility in October: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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