Monthly weather forecast and climate
Þorlákshöfn, Iceland

Weather in January

In Þorlákshöfn, Iceland, the average seawater temperature in January is 5.8°C (42.4°F). Note: Swimming in 5.8°C (42.4°F) is considered dangerous. Weather in January »

Weather in February

In Þorlákshöfn, Iceland, in February, the average water temperature is 5.9°C (42.6°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 February »

Weather in March

The month with the coldest seawater in Þorlákshöfn, Iceland, is March, with an average sea temperature of 5.7°C (42.3°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 Þorlákshöfn, Iceland, in April, the average water temperature is 6.3°C (43.3°F). Note: Swimming in 6.3°C (43.3°F) is considered life-threatening. Weather in April »

Weather in May

In Þorlákshöfn, Iceland, in May, the average water temperature is 7.6°C (45.7°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 Þorlákshöfn, Iceland, the average seawater temperature in June is 9.7°C (49.5°F). Note: Swimming in 9.7°C (49.5°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in June »

Weather in July

The month with the warmest seawater in Þorlákshöfn, Iceland, is July, with an average sea temperature of 11.8°C (53.2°F). Note: Swimming in 11.8°C (53.2°F) is considered life-threatening. Weather in July »

Weather in August

In Þorlákshöfn, Iceland, in August, the average water temperature is 11.6°C (52.9°F). Note: Swimming in 11.6°C (52.9°F) is considered life-threatening. Weather in August »

Weather in September

In Þorlákshöfn, Iceland, the average seawater temperature in September is 9.9°C (49.8°F). Note: Swimming in 9.9°C (49.8°F) is considered dangerous. Weather in September »

Weather in October

In Þorlákshöfn, Iceland, in October, the average water temperature is 8.6°C (47.5°F). Note: Swimming in 8.6°C (47.5°F) is considered life-threatening. Weather in October »

Weather in November

In Þorlákshöfn, Iceland, the average seawater temperature in November is 7.5°C (45.5°F). Note: Swimming in 7.5°C (45.5°F) is considered life-threatening. Weather in November »

Weather in December

In Þorlákshöfn, Iceland, in December, the average water temperature is 7.2°C (45°F). Note: Swimming in 7.2°C (45°F) is considered life-threatening. Weather in December »
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FAQ

When is the sea coldest in Þorlákshöfn?

The month with the coldest seawater in Þorlákshöfn is March, with an average sea temperature of 5.7°C (42.3°F).

When are the longest days in Þorlákshöfn?

With an average of 20.7h of daylight, June has the longest days of the year in Þorlákshöfn, Iceland.

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

The month with the warmest seawater in Þorlákshöfn is July, with an average sea temperature of 11.8°C (53.2°F).

What is the month with the shortest days in Þorlákshöfn?

The month with the shortest days is December, with an average of 4.5h of daylight.

Average sea temperature
Þorlákshöfn, Iceland

Average sea temperature - Þorlákshöfn, Iceland

The best month for swimming (with the highest average sea temperature) is July (11.8°C).
The coldest month (with the lowest average sea temperature) is March (5.7°C).

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Average daylight
Þorlákshöfn, Iceland

Average daylight - Þorlákshöfn, Iceland

The month with the longest days is June (Average daylight: 20.7h).
The month with the shortest days is December (Average daylight: 4.5h).

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