October weather forecastÖstermalm, Sweden
October
Weather in October
Sea temperature
In Östermalm, Sweden, the average seawater temperature in October is 10.2°C (50.4°F).Note: Swimming in 10.2°C (50.4°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.
Daylight
In Östermalm, the average length of the day in October is 10h and 11min.On the first day of the month, sunrise is at 06:53 and sunset at 18:20 CEST. On the last day of October, sunrise is at 07:05 and sunset at 15:56 CET.
Note: On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. Daylight Saving Time starts again on Sunday, 30. March 2025, at 02:00; consequently, the time zone reverts from CET to CEST.
Updated: Feb 2, 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
In October, the average sea temperature in Östermalm, Sweden, is 10.2°C (50.4°F). Swimming in 10.2°C (50.4°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.
In Östermalm, Sweden, the average day length in October is 10h and 11min.
On the first day of October in Östermalm, Sweden, sunrise is at 06:53 and sunset at 18:20 CEST. On the last day of the month, sunrise is at 07:05 and sunset at 15:56 CET.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. The next DST starts on Sunday, 30. March 2025, at 02:00.
Average sea temperature in October
Östermalm, Sweden
- Average sea temperature in October: 10.2°C
The best month for swimming (with the highest average sea temperature) is August (18.8°C).
The coldest month (with the lowest average sea temperature) is February (1°C).
Average daylight in October
Östermalm, Sweden
- Average daylight in October: 10h and 12min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).





