Monthly weather forecast and climate
Espoo, Finland

In Espoo, Finland, in January, the average water temperature is 0.9°C (33.6°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 February, the average sea temperature in Espoo, Finland, is 0.2°C (32.4°F). Note: For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. Weather in February »

The month with the coldest seawater in Espoo, Finland, is March, with an average sea temperature of 0.1°C (32.2°F). Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Weather in March »

In April, the average sea temperature in Espoo, Finland, is 1.6°C (34.9°F). Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Weather in April »

In Espoo, Finland, in May, the average water temperature is 6.8°C (44.2°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 »

In Espoo, Finland, in June, the average water temperature is 13.2°C (55.8°F). Note: Swimming in 13.2°C (55.8°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 Espoo, Finland, in July, the average water temperature is 18.4°C (65.1°F). Note: For most, swimming in 18.4°C (65.1°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F). Weather in July »

The month with the warmest seawater in Espoo, Finland, is August, with an average sea temperature of 18.7°C (65.7°F). Note: For most, swimming in 18.7°C (65.7°F) is not an enjoyable activity. Weather in August »

In Espoo, Finland, in September, the average water temperature is 15.4°C (59.7°F). Note: For swimming, a surface water temperature of 15.4°C (59.7°F) is not enjoyable for the majority. Weather in September »

In Espoo, Finland, the average seawater temperature in October is 10.4°C (50.7°F). Note: Swimming in 10.4°C (50.7°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 October »

In Espoo, Finland, in November, the average water temperature is 6.8°C (44.2°F). Note: Swimming in 6.8°C (44.2°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 November »

In Espoo, Finland, the average seawater temperature in December is 4°C (39.2°F). Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Weather in December »