January weather forecastKoper, Slovenia
January
Weather in January
January in Koper, Slovenia, ushers in the new year with its distinct winter conditions. Chilly conditions prevail with the sea temperature sees its most prominent drop. The sea temperature plunges to a cooler 10.3°C (50.5°F), signaling a sharp contrast from the latter months. Residents and visitors must brace for more prolonged nights as daylight hours dwindle. To adapt, layers of woolens and effective heaters become a necessity at home and during outings.Sea temperature
In Koper, the average seawater temperature in January is 10.3°C (50.5°F).Note: Immersing oneself in 10.3°C (50.5°F) at sub-10°C (14°F) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped.
Daylight
In Koper, the average length of the day in January is 9h and 10min.On the first day of the month, sunrise is at 07:45 and sunset at 16:31. On the last day of January, in Koper, sunrise is at 07:27 and sunset at 17:09 CET.
Updated: Jan 24, 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 Koper, Slovenia, the average seawater temperature in January is 10.3°C (50.5°F). Swimming in 10.3°C (50.5°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 January, the average day length in Koper is 9h and 10min.
On the first day of January in Koper, sunrise is at 07:45 and sunset at 16:31. On the last day of the month, sunrise is at 07:27 and sunset at 17:09 CET.
Average sea temperature in January
Koper, 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
Koper, Slovenia
- Average daylight in January: 9h and 12min
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).
