Lemont Weather in October

October in Lemont averages 17°C (63°F) during the day and 6°C (43°F) at night. Quite a bit of rainfall is typical this month, with around 90 mm (3.5 in) on average. An umbrella is a good idea.

Rainfall in Lemont in October

This month experiences about 11 days of rain according to historical data, averaging 90 mm (3.5 in). 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 Lemont in October

Temperatures in Lemont in October top out at 17°C (63°F) and drop to 6°C (43°F) overnight. Conditions are often most pleasant around the middle of the day. With overnight lows of 6°C (43°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Lemont in October

The month enjoys around 195 hours of sunshine, creating mostly sunny days with good weather conditions.

Should you favor a climate that's both dry and comfortably warm, September typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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 Lemont's climate page.

Lemont Temperature in October

Min Temperature 6°C (43°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 37%  

Precipitation 90 mm (3.5 in)  

Rainy days 11 days  

Humidity 68% *  

Sunshine 195 hours *  

Percentage Sunshine 56% *  

* Data from: Chicago, the United States of America (35 KM, 22 Miles).

What to Wear in Lemont in October

For Lemont 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Lemont in October

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

Swimming

6/10

Cycling

6/10

Walking

6/10

Barbeque

6/10

Camping

4/10

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 Lemont's climate page.

More climate data for Lemont

Temperature Rainfall Sunshine Humidity

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