Weather in January
As January unfolds, Izola, Slovenia confronts its coldest sea temperatures, plummeting to 9.3°C (48.7°F). Daylights remain limited, preserving the chill. Typically, January is cooler than December, known for its icy sting, but it is marginally milder than February that follows. The city's weather kicks off with quiet winter conditions, a reminder to residents to bundle up before stepping out, making warm clothing a necessity.
Note: Swimming at temperatures less than 10°C (50°F) in 10.3°C (50.5°F) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. A quick swim at 13°C (55.4°F) without adequate warmth can be discomforting.
On the first day of January, sunrise is at 07:45 and sunset at 16:31. On the last day of the month, sunrise is at 07:28 and sunset at 17:09 CET.
[Resources]Sea temperature
In January, the average sea temperature is 10.3°C (50.5°F).Note: Swimming at temperatures less than 10°C (50°F) in 10.3°C (50.5°F) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. A quick swim at 13°C (55.4°F) without adequate warmth can be discomforting.
Daylight
In Izola, the average length of the day in January is 9h and 11min.On the first day of January, sunrise is at 07:45 and sunset at 16:31. On the last day of the month, sunrise is at 07:28 and sunset at 17:09 CET.
Frequently asked questions
What is the water temperature in January in Izola?
In Izola, in January, the average water temperature is 10.3°C (50.5°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.
What is the average length of the day in January in Izola?
In Izola, Slovenia, the average day length in January is 9h and 11min.
What time are sunrise and sunset in January in Izola?
On the first day of January in Izola, Slovenia, sunrise is at 07:45 and sunset at 16:31. On the last day of the month, sunrise is at 07:28 and sunset at 17:09 CET.
Average sea temperature in January
Izola, Slovenia
- Average sea temperature in January: 10.3°C
The best months for swimming (with the highest average sea temperature) are July and August (24.8°C).
The coldest month (with the lowest average sea temperature) is February (9.3°C).
Average daylight in January
Izola, Slovenia
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
Izola, Slovenia
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