Kalajoki
Finland
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Kalajoki, Finland

In Kalajoki, Finland, the average seawater temperature in January is 0.3°C (32.5°F). Note: For swimming, this is considered life-threatening and very dangerous. Weather in January »
In Kalajoki, Finland, in February, the average water temperature is 0°C (32°F). Note: For swimming, this is considered very dangerous and immediately life-threatening. Weather in February »

In Kalajoki, Finland, in March, the average water temperature is 0.3°C (32.5°F). Note: For swimming, this is considered very dangerous and immediately life-threatening. Weather in March »

With an average sea temperature of -0.3°C (31.5°F), April is the month with the coldest seawater in Kalajoki, Finland. Note: For swimming, this is considered life-threatening and very dangerous. Weather in April »

In Kalajoki, Finland, in May, the average water temperature is 2.3°C (36.1°F). Note: For swimming, this is considered very dangerous and immediately life-threatening. Weather in May »

In Kalajoki, Finland, in June, the average water temperature is 9.3°C (48.7°F). Note: Swimming in 9.3°C (48.7°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 Kalajoki, Finland, the average seawater temperature in July is 15.9°C (60.6°F). Note: For most, swimming in 15.9°C (60.6°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 »

With an average sea temperature of 16.3°C (61.3°F), August is the month with the warmest seawater in Kalajoki, Finland. Note: For most, swimming in 16.3°C (61.3°F) is not an enjoyable activity. Weather in August »

In September, the average sea temperature in Kalajoki, Finland, is 12.4°C (54.3°F). Note: Swimming in 12.4°C (54.3°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 September »

In October, the average sea temperature in Kalajoki, Finland, 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 October »

In Kalajoki, Finland, the average seawater temperature in November is 5.2°C (41.4°F). Note: Swimming in 5.2°C (41.4°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 Kalajoki, Finland, in December, the average water temperature is 2.6°C (36.7°F). Note: For swimming, this is considered life-threatening and very dangerous. Weather in December »

What is the month with the coldest sea water in Kalajoki?

With an average sea temperature of -0.3°C (31.5°F), April is the month with the coldest seawater in Kalajoki, Finland.

When are the longest days in Kalajoki?

With an average of 21h of daylight, June has the longest days of the year in Kalajoki, Finland.

What month is the sea warmest in Kalajoki?

With an average sea temperature of 16.3°C (61.3°F), August is the month with the warmest seawater.

What is the month with the shortest days in Kalajoki?

The month with the shortest days in Kalajoki, Finland, is December, with an average of 4.3h of daylight.
Average sea temperature - Kalajoki, Finland

The best month for swimming (with the highest average sea temperature) is August (16.3°C).
The coldest month (with the lowest average sea temperature) is April (-0.3°C).

Average daylight - Kalajoki, Finland