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.

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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 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).

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

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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.

More climate data for Old Lyme

Temperature Rainfall Sunshine Humidity

See the full Old Lyme climate overview or explore weather in the United States of America.