Allentown Weather in December

During December, Allentown experiences low daytime temperatures of 6°C (43°F) and cooler nights around -2°C (28°F). As part of the winter season, expect quite a bit of snow/rainfall. Around 121 mm (4.8 in) is typical.

Rainfall in Allentown in December

Climate statistics over the past 30 years suggest around 12 days of snow/rain, with 121 mm (4.8 in) average for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Allentown in December

In December, Allentown sees low temperatures, with highs of 6°C (43°F). Nights drop to around -2°C (28°F). December is a notable month of the winter season. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. With overnight lows of -2°C (28°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold.

December in Allentown has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.