Climate and monthly weather forecast
Izola, Slovenia

Weather in January

In Izola, Slovenia, the average seawater temperature in January is 10.3°C (50.5°F). Note: Swimming in 10.3°C (50.5°F) is considered life-threatening. Weather in January »

Weather in February

With an average sea temperature of 9.3°C (48.7°F), February is the month with the coldest seawater in Izola, Slovenia. Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Weather in February »

Weather in March

In March, the average sea temperature in Izola, Slovenia, is 10.1°C (50.2°F). Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Weather in March »

Weather in April

In Izola, Slovenia, the average seawater temperature in April is 13.1°C (55.6°F). Note: Swimming in 13.1°C (55.6°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. Weather in April »

Weather in May

In May, the average sea temperature in Izola, Slovenia, is 18°C (64.4°F). Note: Swimming in 18°C (64.4°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 »

Weather in June

In Izola, Slovenia, in June, the average water temperature is 22.8°C (73°F). Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 22.8°C (73°F) water. Weather in June »

Weather in July

July and August, with an average sea temperature of 24.8°C (76.6°F), are months with the warmest seawater in Izola, Slovenia. Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 24.8°C (76.6°F) water. Weather in July »

Weather in August

July and August, with an average sea temperature of 24.8°C (76.6°F), are months with the warmest seawater in Izola, Slovenia. Note: For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. Weather in August »

Weather in September

In Izola, Slovenia, in September, the average water temperature is 23.3°C (73.9°F). Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23.3°C (73.9°F) water may be enjoyable. Weather in September »

Weather in October

In Izola, Slovenia, in October, the average water temperature is 19°C (66.2°F). Note: Swimming in 19°C (66.2°F) is not enjoyable for the majority. Weather in October »

Weather in November

In Izola, Slovenia, in November, the average water temperature is 16.1°C (61°F). Note: For swimming, a surface water temperature of 16.1°C (61°F) is not enjoyable for the majority. Weather in November »

Weather in December

In Izola, Slovenia, in December, the average water temperature is 13.2°C (55.8°F). Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Weather in December »
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FAQ

What month is the sea coldest in Izola?

February is the month with the coldest seawater in Izola, Slovenia, with an average sea temperature of 9.3°C (48.7°F).

When is Daylight Saving Time (DST) in Izola?

On Sunday, 27. March 2022, at 02:00, Daylight Saving Time starts in Izola, Slovenia, and the time zone changes from CET to CEST. Daylight Saving Time ends on Sunday, 30. October 2022, at 03:00, and the time zone reverts from CEST to CET.

When are the longest days in Izola?

With an average of 15h and 38min of daylight, June has the longest days of the year in Izola, Slovenia.

What are the months with the warmest sea water in Izola?

July and August, with an average sea temperature of 24.8°C (76.6°F), are months with the warmest seawater in Izola, Slovenia.

What is the month with the shortest days in Izola?

With an average of 8h and 47min of daylight, December has the shortest days of the year in Izola.

Average sea temperature
Izola, Slovenia

Average sea temperature - Izola, Slovenia

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).

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Average daylight
Izola, Slovenia

Average daylight - Izola, Slovenia

The month with the longest days is June (Average daylight: 15h and 38min).
The month with the shortest days is December (Average daylight: 8h and 47min).

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