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

Monthly weather forecast and climate
Omiš, Croatia

August is the best period for swimming and other water activities in Omiš, Croatia, as the sea temperature is 25°C (77°F)
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. Weather in January »

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 dangerous. Weather in February »

In Omiš, Croatia, in March, the average water temperature is 14.3°C (57.7°F). Note: Swimming in 14.3°C (57.7°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in March »

In Omiš, Croatia, in April, the average water temperature is 15.4°C (59.7°F). Note: For swimming, a surface water temperature of 15.4°C (59.7°F) is not enjoyable for the majority. Weather in April »

In May, the average sea temperature in Omiš, Croatia, is 18.4°C (65.1°F). Note: Swimming in 18.4°C (65.1°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F). Weather in May »

In Omiš, Croatia, in June, the average water temperature is 22.5°C (72.5°F). Note: For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. Weather in June »

In July, the average sea temperature in Omiš, Croatia, is 24.7°C (76.5°F). Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 24.7°C (76.5°F) water may be enjoyable. Weather in July »

The ideal sea water temperature of 25°C (77°F) make August the best time for swimming and other water activities in Omiš, Croatia. With an average sea temperature of 25°C (77°F), August is the month with the warmest seawater. Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable. Weather in August »

In September, the average sea temperature in Omiš, Croatia, is 23.9°C (75°F). Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23.9°C (75°F) water may be enjoyable. Weather in September »

In Omiš, Croatia, the average seawater temperature in October is 20.4°C (68.7°F). Note: For swimming, a surface water temperature of 20.4°C (68.7°F) is not enjoyable for the majority. Weather in October »

In Omiš, Croatia, in November, the average water temperature is 18.3°C (64.9°F). Note: For swimming, a surface water temperature of 18.3°C (64.9°F) is not enjoyable for the majority. Weather in November »

In Omiš, Croatia, the average seawater temperature in December is 16°C (60.8°F). Note: For most, swimming in 16°C (60.8°F) is not an enjoyable activity. Weather in December »

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).

When are the longest days in Omiš?

With an average of 15.4h of daylight, June has the longest days of the year.

What is the month with the warmest sea water in Omiš?

The month with the warmest seawater in Omiš, Croatia, is August, with an average sea temperature of 25°C (77°F).

What is the month with the shortest days in Omiš?

With an average of 9h of daylight, December has the shortest days of the year in Omiš.
Average sea temperature - Omiš, Croatia

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 - Omiš, Croatia