October weather forecast
Hanko, Finland

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Weather in October

October presents a significant dip in temperature marking a pronounced transition to cooler months in Hanko. A dramatic drop in sea temperature, averaging about 10.4°C (50.7°F), signals the onset of chillier days. The dwindling daylight hours add a captivating melancholic charm to the city. Autumn puts on a dazzling show, with tree foliage setting the city ablaze with their warm colors. October signifies the calm before the biting winter, as Hanko slowly succumbs to the falling thermostat readings.

Sea temperature

In Hanko, in October, the average water temperature is 10.4°C (50.7°F).
Note: Swimming in 10.4°C (50.7°F) can be lethal. Merely spending a few minutes in 13°C (55.4°F) waters feels harsh, and venturing below 10°C (50°F) might disrupt breathing control and bring about cold shock, contingent on individual resilience.

Daylight

In October, the average length of the day in Hanko is 10h and 8min.
On the first day of the month, sunrise is at 07:34 and sunset at 19:00 EEST. On the last day of October, sunrise is at 07:48 and sunset at 16:35 EET.
Note: On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends, and the time zone changes from EEST to EET. Daylight Saving Time starts again on Sunday, 30. March 2025, at 03:00; consequently, the time zone reverts from EET to EEST.
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Frequently asked questions

What is the sea water temperature in October in Hanko?

In Hanko, the average seawater temperature in October is 10.4°C (50.7°F). Swimming in 10.4°C (50.7°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the average length of the day in October in Hanko?

The average day length in October is 10h and 8min.

When is the sunrise / sunset in October in Hanko?

On the first day of October in Hanko, sunrise is at 07:34 and sunset at 19:00 EEST. On the last day of the month, sunrise is at 07:48 and sunset at 16:35 EET.

When does Daylight Saving Time (DST) end in October in Hanko?

On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends in Hanko, Finland, and the time zone changes from EEST to EET. The next DST starts on Sunday, 30. March 2025, at 03:00.

Average sea temperature in October
Hanko, Finland

Average sea temperature in October - Hanko, Finland
  • Average sea temperature in October: 10.4°C

The best month for swimming (with the highest average sea temperature) is August (17.8°C).
The coldest month (with the lowest average sea temperature) is March (0.3°C).

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Average daylight in October
Hanko, Finland

Average daylight in October - Hanko, Finland
  • Average daylight in October: 10h and 1min

The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 6min).

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Hanko, Finland

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