Weather in October
Sea temperature
In October, the average sea temperature in Östhammar, Sweden, is 8.9°C (48°F).Note: Entering waters of 8.9°C (48°F) is life-endangering. A mere moment in 13°C (55.4°F) waters feels piercing cold, and below 10°C (50°F) it can lead to immediate cold shock and cessation of breathing control, depending on body resilience.
Daylight
The average length of the day in October in Östhammar, Sweden, is 10h and 7min.On the first day of October in Östhammar, sunrise is at 06:53 and sunset at 18:18 CEST. On the last day of the month, sunrise is at 07:08 and sunset at 15:51 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.
Frequently asked questions
What is the sea water temperature in October in Östhammar?
In Östhammar, in October, the average water temperature is 8.9°C (48°F). Swimming in 8.9°C (48°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.
How many hours of daylight does Östhammar have in October?
In Östhammar, the average day length in October is 10h and 7min.
When is the sunrise / sunset in October in Östhammar?
On the first day of October in Östhammar, sunrise is at 06:53 and sunset at 18:18 CEST. On the last day of the month, sunrise is at 07:08 and sunset at 15:51 CET.
When does Daylight Saving Time (DST) end in October in Östhammar?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Östhammar, 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
Östhammar, Sweden
- Average sea temperature in October: 8.9°C
The best month for swimming (with the highest average sea temperature) is August (18.2°C).
The coldest month (with the lowest average sea temperature) is February (0.1°C).
Average daylight in October
Östhammar, Sweden
- Average daylight in October: 10h and 1min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
Östhammar, Sweden
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