Iniö
Finland
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Iniö, Finland

In Iniö, Finland, in January, the average water temperature is 0.8°C (33.4°F). Note: For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. Weather in January »
In Iniö, Finland, in February, the average water temperature is -0.1°C (31.8°F). Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Weather in February »

The month with the coldest seawater in Iniö, Finland, is March, with an average sea temperature of -0.2°C (31.6°F). Note: For swimming, this is considered very dangerous and immediately life-threatening. Weather in March »

In Iniö, Finland, the average seawater temperature in April is 0.8°C (33.4°F). Note: For swimming, this is considered very dangerous and immediately life-threatening. Weather in April »

In May, the average sea temperature in Iniö, Finland, is 3.8°C (38.8°F). Note: For swimming, this is considered very dangerous and immediately life-threatening. Weather in May »

In June, the average sea temperature in Iniö, Finland, is 8.5°C (47.3°F). Note: Swimming in 8.5°C (47.3°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in June »

In July, the average sea temperature in Iniö, Finland, is 11.8°C (53.2°F). Note: Swimming in 11.8°C (53.2°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 July »

The month with the warmest seawater in Iniö, Finland, is August, with an average sea temperature of 12.3°C (54.1°F). Note: Swimming in 12.3°C (54.1°F) is considered life-threatening. Weather in August »

In September, the average sea temperature in Iniö, Finland, is 9.7°C (49.5°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 September »

In Iniö, Finland, the average seawater temperature in October is 6.3°C (43.3°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 October »

In Iniö, Finland, the average seawater temperature in November is 3.9°C (39°F). Note: For swimming, this is considered very dangerous and immediately life-threatening. Weather in November »

In December, the average sea temperature in Iniö, Finland, is 1.7°C (35.1°F). Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Weather in December »

What month is the sea coldest in Iniö?

The month with the coldest seawater is March, with an average sea temperature of -0.2°C (31.6°F).

When are the longest days in Iniö?

The month with the longest days is June, with an average of 18.9h of daylight.

What month is the sea warmest in Iniö?

With an average sea temperature of 12.3°C (54.1°F), August is the month with the warmest seawater.

What is the month with the shortest days in Iniö?

The month with the shortest days in Iniö is December, with an average of 5.9h of daylight.
Average sea temperature - Iniö, Finland

The best month for swimming (with the highest average sea temperature) is August (12.3°C).
The coldest month (with the lowest average sea temperature) is March (-0.2°C).

Average daylight - Iniö, Finland

The month with the longest days is June (Average daylight: 18.9h).
The month with shortest days is December (Average daylight: 5.9h).