Old Lyme Weather in December

Old Lyme in December averages 7°C (45°F) during the day and -1°C (30°F) at night. This is part of the winter season, and quite a bit of snow/rainfall is expected this month.

Rainfall in Old Lyme in December

Based on our climate data of the past 30 years, about 12 days of snow/rain are anticipated, with 129 mm (5.1 in) on average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Old Lyme in December

If you're visiting Old Lyme in December, expect highs of 7°C (45°F) and overnight lows around -1°C (30°F). Winter occurs in December. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. 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 Old Lyme in December

You can expect a moderate amount of sunlight, with approximately 139 hours. This means a pleasant mix of sun and overcast.

December in Old Lyme 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.