New Haven Weather in December

Thinking of visiting New Haven in December? Expect low temperatures reaching 7°C (45°F) during the day, dropping to -1°C (30°F) at night, and note that quite a bit of snow/rainfall is likely.

Rainfall in New Haven in December

Analyzing past climate data, one can expect approximately 12 days of snow/rain, averaging 127 mm (5 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in New Haven in December

Expect highs of 7°C (45°F) in New Haven in December, with nights dropping to around -1°C (30°F). During December, you'll experience the winter season. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. Nights drop below freezing to -1°C (30°F). An extra blanket is worth packing if you're unsure about the heating where you're staying.

Sunshine in New Haven in December

The area experiences a moderate amount of sunshine, with approximately 139 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 New Haven. Our weather planner can help you explore destinations with more pleasant weather conditions.