Mahwah Weather in December

December in Mahwah averages 6°C (43°F) during the day and -2°C (28°F) at night. Quite a bit of snow/rainfall is typical this month, with around 130 mm (5.1 in) on average. An umbrella is a good idea.

Rainfall in Mahwah in December

Expect around 12 days of snow/rain based on historical data, with 130 mm (5.1 in) average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Mahwah in December

December in Mahwah brings typical temperatures with highs around 6°C (43°F) and lows of -2°C (28°F). During December, the winter season is in full swing. It stays cool throughout the day, so warm layers are a good idea from morning to evening. Nights drop below freezing to -2°C (28°F). An extra blanket is worth packing if you're unsure about the heating where you're staying.

Sunshine in Mahwah in December

The area experiences a moderate amount of sunshine, with approximately 141 hours of sunlight expected. This means a decent mix of sun and overcast.

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