Weather in October
Cooler shades of weather start to settle in Alderney as October takes charge, signalling that autumn is in the air. Daylight hours calibrate down to nearly 10.8 per day, continuing the decreasing trend from September. Sea temperatures also tune down to a cooler 16.3°C (61.3°F), correlating with the onset of chillier weather. The month of October is attributed with its calm yet increasingly crisp days that mark the progression towards the end of the year.
Note: The majority of individuals find it unpleasurable to swim in 16.3°C (61.3°F). It becomes progressively harder to manage one's breathing as the water temperature falls below 21°C (69.8°F).
On the first day of the month, sunrise is at 07:09 and sunset at 18:47 BST. On the last day of October, sunrise is at 06:57 and sunset at 16:47 GMT.
Note: On Sunday, 27. October 2024, at 02:00, Daylight Saving Time ends, and the time zone changes from BST to GMT. Daylight Saving Time starts again on Sunday, 30. March 2025, at 01:00; consequently, the time zone reverts from GMT to BST.
[Resources]Sea temperature
In Alderney, in October, the average water temperature is 16.3°C (61.3°F).Note: The majority of individuals find it unpleasurable to swim in 16.3°C (61.3°F). It becomes progressively harder to manage one's breathing as the water temperature falls below 21°C (69.8°F).
Daylight
In October, the average length of the day in Alderney is 10h and 45min.On the first day of the month, sunrise is at 07:09 and sunset at 18:47 BST. On the last day of October, sunrise is at 06:57 and sunset at 16:47 GMT.
Note: On Sunday, 27. October 2024, at 02:00, Daylight Saving Time ends, and the time zone changes from BST to GMT. Daylight Saving Time starts again on Sunday, 30. March 2025, at 01:00; consequently, the time zone reverts from GMT to BST.
Frequently asked questions
How cold is the water in October in Alderney?
In October, the average sea temperature is 16.3°C (61.3°F). Swimming in 16.3°C (61.3°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
How many hours of daylight does Alderney have in October?
The average day length in October in Alderney, Guernsey, is 10h and 45min.
When are sunrise and sunset in October in Alderney?
On the first day of October in Alderney, sunrise is at 07:09 and sunset at 18:47 BST. On the last day of the month, sunrise is at 06:57 and sunset at 16:47 GMT.
When does Daylight Saving Time (DST) end in October in Alderney?
On Sunday, 27. October 2024, at 02:00, Daylight Saving Time ends, and the time zone changes from BST to GMT. The next DST starts on Sunday, 30. March 2025, at 01:00.
Average sea temperature in October
Alderney, Guernsey
- Average sea temperature in October: 16.3°C
The best month for swimming (with the highest average sea temperature) is September (17.4°C).
The coldest month (with the lowest average sea temperature) is March (9.3°C).
Average daylight in October
Alderney, Guernsey
- Average daylight in October: 10h and 5min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
Alderney, Guernsey
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