Monthly weather forecast and climate
Gilleleje, Denmark

Weather in January

With an average sea temperature of 1.7°C (35.1°F), January is the month with the coldest seawater in Gilleleje, Denmark. Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Weather in January »

Weather in February

In Gilleleje, Denmark, in February, the average water temperature is 1.8°C (35.2°F). Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Weather in February »

Weather in March

In Gilleleje, Denmark, the average seawater temperature in March is 2.2°C (36°F). Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Weather in March »

Weather in April

In Gilleleje, Denmark, the average seawater temperature in April is 6.6°C (43.9°F). Note: Swimming in 6.6°C (43.9°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in April »

Weather in May

In Gilleleje, Denmark, the average seawater temperature in May is 11.7°C (53.1°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 May »

Weather in June

In Gilleleje, Denmark, the average seawater temperature in June is 16.3°C (61.3°F). Note: Swimming in 16.3°C (61.3°F) is not enjoyable for the majority. Weather in June »

Weather in July

In Gilleleje, Denmark, the average seawater temperature in July is 18.7°C (65.7°F). Note: Swimming in 18.7°C (65.7°F) is not enjoyable for the majority. Weather in July »

Weather in August

August is the month with the warmest seawater in Gilleleje, Denmark, with an average sea temperature of 18.8°C (65.8°F). Note: Swimming in 18.8°C (65.8°F) is not enjoyable for the majority. Weather in August »

Weather in September

In September, the average sea temperature in Gilleleje, Denmark, is 16.6°C (61.9°F). Note: For most, swimming in 16.6°C (61.9°F) is not an enjoyable activity. Weather in September »

Weather in October

In Gilleleje, Denmark, in October, the average water temperature is 12°C (53.6°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 October »

Weather in November

In November, the average sea temperature in Gilleleje, Denmark, is 8.2°C (46.8°F). Note: Swimming in 8.2°C (46.8°F) is considered life-threatening. Weather in November »

Weather in December

In December, the average sea temperature in Gilleleje, Denmark, is 4.8°C (40.6°F). Note: For swimming, this is considered life-threatening and very dangerous. Weather in December »
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FAQ

What month is the sea coldest in Gilleleje?

The month with the coldest seawater is January, with an average sea temperature of 1.7°C (35.1°F).

When are the longest days in Gilleleje?

The month with the longest days is June, with an average of 17.5h of daylight.

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

With an average sea temperature of 18.8°C (65.8°F), August is the month with the warmest seawater in Gilleleje.

What is the month with the shortest days in Gilleleje?

December has the shortest days of the year, with an average of 7h of daylight.

Average sea temperature
Gilleleje, Denmark

Average sea temperature - Gilleleje, Denmark

The best month for swimming (with the highest average sea temperature) is August (18.8°C).
The coldest month (with the lowest average sea temperature) is January (1.7°C).

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Average daylight
Gilleleje, Denmark

Average daylight - Gilleleje, Denmark

The month with the longest days is June (Average daylight: 17.5h).
The month with the shortest days is December (Average daylight: 7h).

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