Monthly weather forecast and climate
Slite, Sweden

Weather in January

In Slite, Sweden, the average seawater temperature in January is 2.9°C (37.2°F). Note: For swimming, this is considered very dangerous and immediately life-threatening. Weather in January »

Weather in February

In Slite, Sweden, in February, the average water temperature is 2.1°C (35.8°F). Note: For swimming, this is considered life-threatening and very dangerous. Weather in February »

Weather in March

With an average sea temperature of 1.8°C (35.2°F), March is the month with the coldest seawater in Slite, Sweden. Note: For swimming, this is considered life-threatening and very dangerous. Weather in March »

Weather in April

In Slite, Sweden, in April, the average water temperature is 3.5°C (38.3°F). Note: For swimming, this is considered life-threatening and very dangerous. Weather in April »

Weather in May

In May, the average sea temperature in Slite, Sweden, is 7.7°C (45.9°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 Slite, Sweden, in June, the average water temperature is 14.2°C (57.6°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 June »

Weather in July

In July, the average sea temperature in Slite, Sweden, is 18.2°C (64.8°F). Note: Swimming in 18.2°C (64.8°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 July »

Weather in August

The month with the warmest seawater in Slite, Sweden, is August, 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 Slite, Sweden, in September, the average water temperature is 15.7°C (60.3°F). Note: For most, swimming in 15.7°C (60.3°F) is not an enjoyable activity. Weather in September »

Weather in October

In Slite, Sweden, in October, the average water temperature is 11.1°C (52°F). Note: Swimming in 11.1°C (52°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in October »

Weather in November

In Slite, Sweden, the average seawater temperature in November is 7.8°C (46°F). Note: Swimming in 7.8°C (46°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in November »

Weather in December

In Slite, Sweden, the average seawater temperature in December is 5.1°C (41.2°F). Note: Swimming in 5.1°C (41.2°F) is considered life-threatening. Weather in December »
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FAQ

When is the sea coldest in Slite?

The month with the coldest seawater in Slite, Sweden, is March, with an average sea temperature of 1.8°C (35.2°F).

When are the longest days in Slite?

The month with the longest days in Slite is June, with an average of 18h of daylight.

When is the sea warmest in Slite?

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

What is the month with the shortest days in Slite?

December has the shortest days of the year in Slite, with an average of 6.7h of daylight.

Average sea temperature
Slite, Sweden

Average sea temperature - Slite, Sweden

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 March (1.8°C).

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Average daylight
Slite, Sweden

Average daylight - Slite, Sweden

The month with the longest days is June (Average daylight: 18h).
The month with the shortest days is December (Average daylight: 6.7h).

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