Weather in October
Sea temperature
In Nynäshamn, Sweden, in October, the average water temperature is 9.9°C (49.8°F).Note: One needs to be cautious in 9.9°C (49.8°F) waters. 13°C (55.4°F) is already forbidding, but sub-10°C (14°F) can seriously disrupt your breathing and lead to a frigid shock, considering one's well-being.
Daylight
In October, the average length of the day in Nynäshamn is 10h and 13min.On the first day of the month, sunrise is at 06:54 and sunset at 18:21 CEST. On the last day of October, sunrise is at 07:04 and sunset at 15:58 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
How cold is the water in October in Nynäshamn?
In Nynäshamn, in October, the average water temperature is 9.9°C (49.8°F). Swimming in 9.9°C (49.8°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 Nynäshamn?
The average day length in October in Nynäshamn is 10h and 13min.
When are sunrise and sunset in October in Nynäshamn?
In October, on the first day of the month, sunrise is at 06:54 and sunset at 18:21 CEST. On the last day of the month, sunrise is at 07:04 and sunset at 15:58 CET.
When does Daylight Saving Time (DST) end in October in Nynäshamn?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Nynäshamn, Sweden, 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
Nynäshamn, Sweden
- Average sea temperature in October: 9.9°C
The best month for swimming (with the highest average sea temperature) is August (18.7°C).
The coldest month (with the lowest average sea temperature) is February (1°C).
Average daylight in October
Nynäshamn, Sweden
- Average daylight in October: 10h and 1min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
Nynäshamn, Sweden
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