Old Lyme
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Old Lyme Weather in October

October in Old Lyme averages 18°C (64°F) during the day and 8°C (46°F) at night. Quite a bit of rainfall is typical this month, with around 107 mm (4.2 in) on average. An umbrella is a good idea.

Rainfall in Old Lyme in October

Past climate data indicates that roughly 13 days will see rain, totalling around 107 mm (4.2 in) for the month. 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 Old Lyme in October

October in Old Lyme brings typical temperatures with highs around 18°C (64°F) and lows of 8°C (46°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Old Lyme in October

Enjoy a sunny month with about 199 hours of sunshine, the clear skies make Old Lyme even more beautiful.

If you prefer enjoying temperate temperatures and rain-free days, May and July typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Old Lyme Temperature in October

Min Temperature
8°C (46°F)
Max Temperature
18°C (64°F)
Chance of Rain
42%
Precipitation
107 mm (4.2 in)
Rainy days
13 days
Humidity
69% *
Sunshine
199 hours *
Percentage Sunshine
58% *
* Data from: Hartford, the United States of America (57 KM, 36 Miles).

Old Lyme Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Old Lyme - and find the best time to visit.

Best Places in the United States of America in October

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 October →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Old Lyme in October

For Old Lyme in October, 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Old Lyme in October

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    6/10
  • Cycling
    9/10
  • Walking
    9/10
  • Camping
    3/10
  • Outdoor sports
    9/10

Old Lyme 3-Day Forecast

Popular in October

Where to go in October - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.