King of Prussia Weather in December

December in King of Prussia brings low temperatures around 8°C (46°F) during the day, dropping to -2°C (28°F) at night, with quite a bit of snow/rainfall expected, averaging around 122 mm (4.8 in) for the month.

Rainfall in King of Prussia in December

Historically, the month has about 12 days of snow/rain, averaging 122 mm (4.8 in) in total. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in King of Prussia in December

Temperatures in King of Prussia in December top out at 8°C (46°F) and drop to -2°C (28°F) overnight. The winter season takes place during December. It stays cool throughout the day, so warm layers are a good idea from morning to evening. At -2°C (28°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating.

Sunshine in King of Prussia in December

The area enjoys a moderate level of sunlight, with around 140 hours. It's a good balance between sunny and cloudy days.

Average water temperature in December

At 9°C (48°F), the water is too cold for most people to swim comfortably. A wetsuit is pretty much essential if you plan to go in.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit King of Prussia. Our weather planner can help you explore destinations with more pleasant weather conditions.