Climate and monthly weather forecast
Weather in January
In January, the average sea temperature in Omišalj, Croatia, is 11.8°C (53.2°F). Note: In 11.8°C (53.2°F), cold shock and rapid breathing can occur when swimming at temperatures below 10°C (50°F). Weather in January »
Weather in February
With an average sea temperature of 10.9°C (51.6°F), February is the month with the coldest seawater in Omišalj, Croatia. Note: Swimming in 10.9°C (51.6°F) is deemed hazardous. Weather in February »
Weather in March
In Omišalj, Croatia, the average seawater temperature in March is 11.5°C (52.7°F). Note: If planning to swim in 11.5°C (52.7°F) under 10°C (50°F), wear a protective suit. Weather in March »
Weather in April
In April, the average sea temperature in Omišalj, Croatia, is 13.7°C (56.7°F). Note: Dipping into 13.7°C (56.7°F) below 10°C (50°F) needs protective wear, or you'd face cold shock and breathing issues swiftly. Weather in April »
Weather in May
In May, the average sea temperature in Omišalj, Croatia, is 17.7°C (63.9°F). Note: The enjoyment of swimming decreases for most when the surface water temperature is 17.7°C (63.9°F). Weather in May »
Weather in June
In June, the average sea temperature in Omišalj, Croatia, is 22.2°C (72°F). Note: When considering a person's aversion to cold, factors like sunshine, wind, and atmospheric temperature are key. Weather in June »
Weather in July
In July, the average sea temperature in Omišalj, Croatia, is 24.3°C (75.7°F). Note: Imagine a swim in 24.3°C (75.7°F) waters. How you'd feel depends on your cold sensitivity, the sun's rays, the caress of the wind, and the warmth enveloping you. Weather in July »
Weather in August
August is the month with the warmest seawater in Omišalj, Croatia, with an average sea temperature of 24.5°C (76.1°F). Note: The cold tolerance of an individual, along with sunshine, wind, and the temperature of the environment, affects the enjoyment of swimming in 24.5°C (76.1°F) waters. Weather in August »
Weather in September
In Omišalj, Croatia, in September, the average water temperature is 23.3°C (73.9°F). Note: Consideration of an individual's cold resistance, combined with conditions like sunshine, wind, and temperature, suggests that swimming in 23.3°C (73.9°F) water can be delightful. Weather in September »
Weather in October
In Omišalj, Croatia, the average seawater temperature in October is 19.4°C (66.9°F). Note: Most people do not take pleasure in swimming in water at 19.4°C (66.9°F). Weather in October »
Weather in November
In Omišalj, Croatia, the average seawater temperature in November is 16.8°C (62.2°F). Note: A surface water temperature of 16.8°C (62.2°F) does not provide an enjoyable swimming experience for most. Weather in November »
Weather in December
In Omišalj, Croatia, in December, the average water temperature is 14.3°C (57.7°F). Note: Taking a dip in 14.3°C (57.7°F) can be perilous. Submersion in temperatures under 10°C (50°F) triggers severe cold shock accompanied by hyperventilation. Weather in December »
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
What month is the sea coldest in Omišalj?
The month with the coldest seawater in Omišalj is February, with an average sea temperature of 10.9°C (51.6°F).
When are the longest days in Omišalj?
The month with the longest days in Omišalj, Croatia, is June, with an average of 15h and 36min of daylight.
What is the month with the warmest sea water in Omišalj?
August is the month with the warmest seawater, with an average sea temperature of 24.5°C (76.1°F).
When is Daylight Saving Time (DST) in Omišalj?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Omišalj, 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 Omišalj?
December has the shortest days of the year, with an average of 8h and 48min of daylight.
Average sea temperature
Omišalj, Croatia
The best month for swimming (with the highest average sea temperature) is August (24.5°C).
The coldest month (with the lowest average sea temperature) is February (10.9°C).
Average daylight
Omišalj, Croatia
- Average daylight in January:
9h and 1min - Average daylight in February:
10h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 4min
- Average daylight in July:
15h and 1min - Average daylight in August:
14h and 0min - 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:
8h and 5min
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).
