October
Weather in October
The full force of autumn arrives in Seltjarnarnes in October, underlining the change from the previous month. Sea temperature continues its descent settling at an average of 8.2°C (46.8°F), underscoring the further cooling of weather conditions. The decline in daylight hours from September is quite marked, adding to the island's fall character. October's weather becomes a precursor to the upcoming winter months, as November brings with it a colder temperature range.
Note: Swimming in 8.2°C (46.8°F) at temperatures under 10°C (50°F) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Even brief immersion at 13°C (55.4°F) feels frosty.
On the first day of October in Seltjarnarnes, sunrise is at 07:38 and sunset at 18:56. On the last day of the month, sunrise is at 09:10 and sunset at 17:13 GMT.
Sea temperature
In Seltjarnarnes, in October, the average water temperature is 8.2°C (46.8°F).Note: Swimming in 8.2°C (46.8°F) at temperatures under 10°C (50°F) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Even brief immersion at 13°C (55.4°F) feels frosty.
Daylight
The average length of the day in October is 9h and 44min.On the first day of October in Seltjarnarnes, sunrise is at 07:38 and sunset at 18:56. On the last day of the month, sunrise is at 09:10 and sunset at 17:13 GMT.
Updated: Feb 10, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is the water in October in Seltjarnarnes?
In Seltjarnarnes, Iceland, in October, the average water temperature is 8.2°C (46.8°F). Swimming in 8.2°C (46.8°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
What is the average length of the day in October in Seltjarnarnes?
The average day length in October is 9h and 44min.
When are sunrise and sunset in October in Seltjarnarnes?
In October, on the first day of the month, sunrise is at 07:38 and sunset at 18:56. On the last day of the month, in Seltjarnarnes, sunrise is at 09:10 and sunset at 17:13 GMT.
Average sea temperature in October
Seltjarnarnes, Iceland
- Average sea temperature in October: 8.2°C
The best months for swimming (with the highest average sea temperature) are July and August (11.3°C).
The coldest month (with the lowest average sea temperature) is March (4.3°C).
Average daylight in October
Seltjarnarnes, Iceland
- Average daylight in October: 9h and 4min
The month with the longest days is June (Average daylight: 20h and 54min).
The month with the shortest days is December (Average daylight: 4h and 24min).
