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The best time to visit Omiš
August is the best period for swimming and other water activities in Omiš, Croatia, as the sea temperature is 25°C (77°F)
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) feels unbearing at 13°C (55.4°F) and can be life-risking below 10°C (50°F), causing breathing issues and cold shock, depending on a person's capacity. Weather in January »
Weather in February
January and February, with an average sea temperature of 13.9°C (57°F), are months with the coldest seawater in Omiš, Croatia. Note: In 13.9°C (57°F), cold shock and rapid breathing can occur when swimming at temperatures below 10°C (50°F). Weather in February »
Weather in March
In Omiš, Croatia, the average seawater temperature in March is 14.3°C (57.7°F). Note: It is advised against swimming in 14.3°C (57.7°F) when it drops below 10°C (50°F). Weather in March »
Weather in April
In April, the average sea temperature in Omiš, Croatia, is 15.4°C (59.7°F). Note: Most people do not enjoy swimming in water that is 15.4°C (59.7°F). Weather in April »
Weather in May
In May, the average sea temperature in Omiš, Croatia, is 18.4°C (65.1°F). Note: For most individuals, swimming in 18.4°C (65.1°F) is not a pleasant experience. Weather in May »
Weather in June
In June, the average sea temperature in Omiš, Croatia, is 22.5°C (72.5°F). Note: If cold is not your friend, swimming at 22.5°C (72.5°F) might be daunting. Weather in June »
Weather in July
In Omiš, Croatia, in July, the average water temperature 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 »
Weather in August
The perfect water temperature of 25°C (77°F) makes August a great period for swimming and other water activities in Omiš, Croatia. August is the month with the warmest seawater, with an average sea temperature of 25°C (77°F). Note: Surface water temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as ideal and highly pleasant for extended enjoyment in all water activities. Weather in August »
Weather in September
In September, the average sea temperature in Omiš, Croatia, is 23.9°C (75°F). Note: Individual preferences to cold, influenced by conditions such as sunshine, wind, and surrounding temperature, play a part in the comfort of swimming in 23.9°C (75°F) waters. Weather in September »
Weather in October
In Omiš, Croatia, in October, the average water temperature is 20.4°C (68.7°F). Note: Swimming is not a pleasant activity for most individuals in 20.4°C (68.7°F). Weather in October »
Weather in November
In November, the average sea temperature in Omiš, Croatia, is 18.3°C (64.9°F). Note: For the majority, swimming in 18.3°C (64.9°F) does not offer a pleasant experience. Weather in November »
Weather in December
In December, the average sea temperature in Omiš, Croatia, is 16°C (60.8°F). Note: For most individuals, swimming in 16°C (60.8°F) is not a pleasant experience. Weather in December »
[Resources]Frequently asked questions
What are the months with the coldest sea water in Omiš?
January and February, with an average sea temperature of 13.9°C (57°F), are months with the coldest seawater in Omiš.
When are the longest days in Omiš?
The month with the longest days is June, with an average of 15h and 24min of daylight.
What month is the sea warmest in Omiš?
With an average sea temperature of 25°C (77°F), August is the month with the warmest seawater.
When is Daylight Saving Time (DST) in Omiš?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Omiš, Croatia, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
What is the month with the shortest days in Omiš?
The month with the shortest days is December, with an average of 9h and 0min of daylight.
Average sea temperature
Omiš, Croatia
The best month for swimming (with the highest average sea temperature) is August (25°C).
The coldest months (with the lowest average sea temperature) are January and February (13.9°C).
Average daylight
Omiš, Croatia
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
Omiš, Croatia
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