Monthly weather forecast and climate
Kalundborg, Denmark

Weather in January

January is the month with the coldest seawater in Kalundborg, Denmark, with an average sea temperature of 2.3°C (36.1°F). Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Weather in January »

Weather in February

In February, the average sea temperature in Kalundborg, Denmark, is 2.4°C (36.3°F). Note: For swimming, this is considered very dangerous and immediately life-threatening. Weather in February »

Weather in March

In March, the average sea temperature in Kalundborg, Denmark, is 2.6°C (36.7°F). Note: For swimming, this is considered life-threatening and very dangerous. Weather in March »

Weather in April

In Kalundborg, Denmark, the average seawater temperature in April is 6.8°C (44.2°F). Note: Swimming in 6.8°C (44.2°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 Kalundborg, Denmark, the average seawater temperature in May is 11.7°C (53.1°F). Note: Swimming in 11.7°C (53.1°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in May »

Weather in June

In Kalundborg, Denmark, the average seawater temperature in June is 16°C (60.8°F). Note: For swimming, a surface water temperature of 16°C (60.8°F) is not enjoyable for the majority. Weather in June »

Weather in July

In July, the average sea temperature in Kalundborg, Denmark, 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 July »

Weather in August

With an average sea temperature of 18.6°C (65.5°F), August is the month with the warmest seawater in Kalundborg, Denmark. Note: For swimming, a surface water temperature of 18.6°C (65.5°F) is not enjoyable for the majority. Weather in August »

Weather in September

In September, the average sea temperature in Kalundborg, Denmark, is 16.7°C (62.1°F). Note: Swimming in 16.7°C (62.1°F) is not enjoyable for the majority. Weather in September »

Weather in October

In Kalundborg, Denmark, in October, the average water temperature is 12.4°C (54.3°F). Note: Swimming in 12.4°C (54.3°F) is considered life-threatening. Weather in October »

Weather in November

In November, the average sea temperature in Kalundborg, Denmark, is 8.7°C (47.7°F). Note: Swimming in 8.7°C (47.7°F) is considered life-threatening. Weather in November »

Weather in December

In Kalundborg, Denmark, in December, the average water temperature is 5.1°C (41.2°F). Note: Swimming in 5.1°C (41.2°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in December »
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FAQ

When is the sea coldest in Kalundborg?

The month with the coldest seawater in Kalundborg is January, with an average sea temperature of 2.3°C (36.1°F).

When are the longest days in Kalundborg?

The month with the longest days in Kalundborg is June, with an average of 17.4h of daylight.

What month is the sea warmest in Kalundborg?

August is the month with the warmest seawater in Kalundborg, with an average sea temperature of 18.6°C (65.5°F).

What is the month with the shortest days in Kalundborg?

December has the shortest days of the year, with an average of 7.1h of daylight.

Average sea temperature
Kalundborg, Denmark

Average sea temperature - Kalundborg, Denmark

The best month for swimming (with the highest average sea temperature) is August (18.6°C).
The coldest month (with the lowest average sea temperature) is January (2.3°C).

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Average daylight
Kalundborg, Denmark

Average daylight - Kalundborg, Denmark

The month with the longest days is June (Average daylight: 17.4h).
The month with the shortest days is December (Average daylight: 7.1h).

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