October weather forecast
Arklow, Ireland

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Weather in October

October in Arklow signifies the full onset of autumn, characterized by a dip in sea temperature to 14.3°C (57.7°F). The daylight hours continue to reduce to 10.6 in anticipation of winter. This month generally has cooler weather with a greater likelihood of showers compared to the summer months. It has its own charm with colorful fall foliage and the onset of cooler nights.

Sea temperature

In Arklow, the average seawater temperature in October is 14.3°C (57.7°F).
Note: If planning to swim in 14.3°C (57.7°F) under 10°C (50°F), wear a protective suit. Neglecting this advice might cause immediate cold shock and troubled breathing. A splash around 13°C (55.4°F) is not much warmer.

Daylight

In Arklow, the average length of the day in October is 10h and 36min.
On the first day of the month, sunrise is at 7:26 am and sunset at 7:01 pm IST. On the last day of October, sunrise is at 7:20 am and sunset at 4:55 pm GMT.
Note: On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from IST to GMT. Daylight Saving Time lasts until Sunday, 30. March 2025, at 1:00 am; consequently, the time zone reverts from GMT to IST.

Frequently asked questions

How cold is the water in October?

In Arklow, Ireland, the average seawater temperature in October is 14.3°C (57.7°F). Swimming in 14.3°C (57.7°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Arklow have in October?

In October, the average day length is 10h and 36min.

What time are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 7:26 am and sunset at 7:01 pm IST. On the last day of the month, sunrise is at 7:20 am and sunset at 4:55 pm GMT.

When does Daylight Saving Time (DST) start in October?

On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from IST to GMT. DST ends on Sunday, 30. March 2025, at 1:00 am.

Average sea temperature in October
Arklow, Ireland

Average sea temperature in October - Arklow, Ireland
  • Average sea temperature in October: 14.3°C

The best month for swimming (with the highest average sea temperature) is September (15.3°C).
The coldest month (with the lowest average sea temperature) is March (8.5°C).

Average daylight in October
Arklow, Ireland

Average daylight in October - Arklow, Ireland
  • Average daylight in October: 10h and 4min

The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).

Arklow, Ireland

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