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 perfect 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Old Lyme's climate page.
Old Lyme Temperature in May
Min Temperature
10°C (50°F)
Max Temperature
20°C (68°F)
Chance of Rain
43%
Precipitation
98 mm (3.9 in)
Rainy days
13 days
Humidity
63% *
Sunshine
258 hours *
Percentage Sunshine
57% *
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Old Lyme in May
For Old Lyme in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Old Lyme in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Old Lyme's climate page.
Temperature Rainfall Sunshine Humidity
See the full Old Lyme climate overview or explore weather in the United States of America.
