Old Lyme Weather in May

May in Old Lyme averages 20°C (68°F) during the day and 10°C (50°F) at night. Quite a bit of rainfall is typical this month, with around 98 mm (3.9 in) on average. An umbrella is a good idea.

Rainfall in Old Lyme in May

You can expect rain on roughly 13 days based on historical data, averaging 98 mm (3.9 in) for the month. 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 May

If you're visiting Old Lyme in May, expect excellent temperatures with highs of 20°C (68°F) and overnight lows of 10°C (50°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights fall to 10°C (50°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Old Lyme in May

The days are predominantly sunny, with an estimated total of around 258 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If you favor pleasant temperatures and minimal rainfall, May is one of the best months to visit Old Lyme.