Omiš
Croatia
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Omiš, Croatia

Sea temperature

January and February, with an average sea temperature of 13.9°C (57°F), are months with the coldest seawater in Omiš, Croatia.
Note: Swimming in 13.9°C (57°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 January, the average length of the day in Omiš is 9.4h.

When is the sea coldest in Omiš?

Months with the coldest seawater in Omiš are January and February, with an average sea temperature of 13.9°C (57°F).

What is the sea water temperature in January in Omiš?

In Omiš, the average seawater temperature in January is 13.9°C (57°F). Swimming in 13.9°C (57°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 January in Omiš?

In January, the average length of the day in Omiš, Croatia, is 9.4h.
Average sea temperature in January - Omiš, Croatia
  • Average sea temperature in January: 13.9°C

The best month for swimming (with the highest average sea temperature) is August (25°C).
Coldest months (with the lowest average sea temperature) are January and February (13.9°C).

Average daylight in January - Omiš, Croatia
  • Average daylight in January: 9.4h

The month with the longest days is June (Average daylight: 15.4h).
The month with shortest days is December (Average daylight: 9h).