October weather forecast
Ísafjörður, Iceland

October in Ísafjörður brings with it cooler temperature and autumn hues. The most significant shift compared to September is the higher average rainfall, peaking to 122mm (4.8") for the year. The sea temperature continues to decrease, making sea adventures less favorable. Daylight hours also drop significantly, heralding the onset of long winter nights. Generally, the weather becomes less predictable with the progression of autumn into winter.

Temperature

During the shift to October, Ísafjörður records a mild decrease in average high-temperature, moving from a frosty 9°C (48.2°F) in September to a wintry 5.8°C (42.4°F). In Ísafjörður, the nocturnal temperatures throughout October show a marginal dip from the daytime averages, settling at a still cold 1.5°C (34.7°F).

Rainfall

October is the month with the most rainfall, with 122mm (4.8") of accumulated precipitation.

Sea temperature

In October, the average sea temperature in Ísafjörður is 7.2°C (45°F).
Note: Dipping into 7.2°C (45°F) below 10°C (50°F) is possible with the right protection; absent that, anticipate cold shock and hampered breathing. Swimming momentarily at 13°C (55.4°F) can be jarring.

Daylight

The average length of the day in October is 9h and 31min.
On the first day of the month, sunrise is at 07:45 and sunset at 18:58. On the last day of October, in Ísafjörður, sunrise is at 09:26 and sunset at 17:05 GMT.