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

April weather forecast and climate
Kalajoki, Finland

Sea temperature

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. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

Daylight

In Kalajoki, the average length of the day in April is 15.2h.

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.

How cold is the water in April in Kalajoki?

In Kalajoki, the average seawater temperature in April is -0.3°C (31.5°F). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

What is the average length of the day in April in Kalajoki?

The average length of the day in April in Kalajoki, Finland, is 15.2h.
Average sea temperature in April - Kalajoki, Finland
  • Average sea temperature in April: -0.3°C

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 in April - Kalajoki, Finland
  • Average daylight in April: 15.2h

The month with the longest days is June (Average daylight: 21h).
The month with shortest days is December (Average daylight: 4.3h).