December weather forecast
Stockholm, Sweden

In December, Stockholm fully adopts its winter coat, with temperatures dropping to the chilling lows of -3.2°C (26.2°F). The dwindling daylight hours of 6.2 accompany the arrival of the winter solstice, making it the darkest month of the year. The city is often enveloped in a serene blanket of snow, transforming the landscape into a winter wonderland. An air of festivity pervades Stockholm, with lights shining brightly to counteract the shorter days. Despite the cold weather, December brings its own festive warmth, culminating the year on a high note.

Temperature

With the onset of December, Stockholm's average high-temperature slightly adjusts, moderately receding from November's icy 4.5°C (40.1°F) to a still wintry 1.1°C (34°F). The temperature in Stockholm during December nights demonstrates a small drop from the daytime highs, settling to an average of -3.2°C (26.2°F).

Rainfall

In Stockholm, in December, it is raining for 10 days, with typically 45mm (1.77") of accumulated precipitation. In Stockholm, during the entire year, the rain falls for 99 days and collects up to 528mm (20.79") of precipitation.

Sea temperature

In December, the average sea temperature in Stockholm is 4.8°C (40.6°F).
Note: In the realm of swimming, this state is extremely cold, treacherous, and life-threatening. Without properly insulated waterproof clothing, hypothermia develops almost immediately.

Daylight

With an average of 6h and 12min of daylight, December has the shortest days of the year in Stockholm.
On the first day of December, sunrise is at 08:18 and sunset at 14:55. On the last day of the month, sunrise is at 08:43 and sunset at 14:57 CET.

Sunshine

December has the least sunshine of the year, with an average of 1.1h of sunshine.

UV index

January, November and December, with an average maximum UV index of 0, are months with the lowest UV index in Stockholm. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In December, the UV index of 0 transforms into the following advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.