Mosfellsbær Weather in December

Mosfellsbær in December sees low temperatures, with highs around 3°C (37°F) and overnight lows of -3°C (27°F). Snow/rainfall is fairly high at around 143 mm (5.6 in) on average, so pack waterproofs just in case.

Rainfall in Mosfellsbær in December

Climate statistics over the past 30 years suggest around 19 days of snow/rain, with 143 mm (5.6 in) average for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Mosfellsbær in December

Temperatures in Mosfellsbær in December top out at 3°C (37°F) and drop to -3°C (27°F) overnight. This month falls in the winter season. Time outdoors is usually more comfortable with proper winter clothing and protection from wind. Nights are well below freezing at -3°C (27°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation. This month is marked by cold temperatures, so wearing layers is key to staying warm. Don't be caught off-guard by the cold.

Sunshine in Mosfellsbær in December

The area experiences limited sunny days, amounting to roughly 20 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.

Wind Speed in Mosfellsbær in December

Wind speeds average 6 m/s (12 knots) during December. At this speed, expect strong winds that make large branches move and create some resistance when walking. Since this is an average, some days have fresh winds while others have strong breezes that can make umbrellas tricky to control.

Average water temperature in December

The water temperature is only 7°C (45°F) this month, cold enough that most people will want to stay out. Hardy swimmers may manage a quick dip, but it won't be comfortable.

December in Mosfellsbær can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.