Weather in December
By
December,
Raahe,
Finland retreats into the cold clutches of the winter season again. The realm of daylight diminishes dramatically to 4.1 hours daily. Sea temperatures drop to an average low of 2.5°C (36.5°F) during this month. As the year draws to a close, the brisk temperatures layer Raahe under a thick blanket of winter. The sharp decline in sunlight and sea temperatures reflect the ultimate transition from the fading fall to the chilling winter.
Sea temperature
In December, the average sea temperature in Raahe, Finland, is 2.5°C (36.5°F).
Note: Under swimming conditions, this represents an immediate threat to life. Control over breathing is lost instantaneously, complicating thought processes. A specialized swimsuit is indispensable to conserve thermal energy.
Daylight
With an average of 4h and 6min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 09:48 and sunset at 14:33. On the last day of December, in Raahe, sunrise is at 10:23 and sunset at 14:27 EET.