Weather in October
Sea temperature
In
Portland,
United Kingdom, in
October, the average water temperature is 16.2°C (61.2°F).
Note: Swimming in 16.2°C (61.2°F) does not offer a pleasant experience for most individuals. The act of controlling one's breathing becomes progressively difficult as the water temperature goes under 21°C (69.8°F).
Daylight
The average length of the day in October in Portland is 10h and 43min.
On the first day of the month, sunrise is at 7:10 am and sunset at 6:47 pm BST. On the last day of October, in Portland, sunrise is at 7:00 am and sunset at 4:46 pm GMT.
Note: On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from BST to GMT. Daylight Saving Time starts again on Sunday, 30.
March 2025, at 1:00 am; consequently, the time zone reverts from GMT to BST.