October weather forecast
Keflavík International Airport, Iceland

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Weather in October

October in Keflavík International Airport features a mild decline in sea temperatures, settling at an average of 8.3°C (46.9°F). This period is characterized by colder months lingering on the horizon and daylight hours swiftly shrinking. The approach of harsher weather conditions necessitates suitable attire to shield from the cold. Varying weather patterns enhance the fascinating Iceland scenery, offering mesmerizing views especially at sunrise and sunset. The onset of the aurora season also becomes more visible, presenting a breathtaking spectacle in the night sky.

Sea temperature

In October, the average sea temperature in Keflavík International Airport is 8.3°C (46.9°F).
Note: Dipping into 8.3°C (46.9°F) below 10°C (50°F) needs protective wear, or you'd face cold shock and breathing issues swiftly. Meanwhile, a slight swim around 13°C (55.4°F) feels cold to the bone.

Daylight

In October, the average length of the day is 9h and 45min.
On the first day of October in Keflavík International Airport, sunrise is at 07:41 and sunset at 18:58. On the last day of the month, sunrise is at 09:11 and sunset at 17:16 GMT.
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Frequently asked questions

What is the water temperature in October in Keflavík International Airport?

In Keflavík International Airport, the average seawater temperature in October is 8.3°C (46.9°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

How many hours of daylight does Keflavík International Airport have in October?

The average day length in October is 9h and 45min.

When is the sunrise / sunset in October in Keflavík International Airport?

On the first day of October in Keflavík International Airport, Iceland, sunrise is at 07:41 and sunset at 18:58. On the last day of the month, sunrise is at 09:11 and sunset at 17:16 GMT.

Average sea temperature in October
Keflavík International Airport, Iceland

Average sea temperature in October - Keflavík International Airport, Iceland
  • Average sea temperature in October: 8.3°C

The best month for swimming (with the highest average sea temperature) is July (11.4°C).
The coldest month (with the lowest average sea temperature) is March (4.8°C).

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Average daylight in October
Keflavík International Airport, Iceland

Average daylight in October - Keflavík International Airport, Iceland
  • Average daylight in October: 9h and 4min

The month with the longest days is June (Average daylight: 20h and 48min).
The month with the shortest days is December (Average daylight: 4h and 30min).

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Keflavík International Airport, Iceland

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