Romeoville Weather in August

Romeoville in August sees high temperatures, with highs around 28°C (82°F) and overnight lows of 17°C (63°F). Rainfall is fairly high at around 120 mm (4.7 in) on average, so pack waterproofs just in case.

Rainfall in Romeoville in August

On average, there are about 11 days with rain during this month, averaging 120 mm (4.7 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Romeoville in August

If you're visiting Romeoville in August, expect highs of 28°C (82°F) and overnight lows around 17°C (63°F). This kind of day-to-night contrast is typical for this time of year. Nights drop to around 17°C (63°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Romeoville in August

Enjoy a sunny month with about 280 hours of sunshine, the clear skies make Romeoville even more beautiful.

For Romeoville itself, September generally stands out with 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 Romeoville's climate page.

Romeoville Temperature in August

Min Temperature 17°C (63°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 38%  

Precipitation 120 mm (4.7 in)  

Rainy days 11 days  

Humidity 71% *  

Sunshine 280 hours *  

Percentage Sunshine 66% *  

* Data from: Chicago, the United States of America (40 KM, 25 Miles).

What to Wear in Romeoville in August

Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Romeoville in August

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

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 Romeoville's climate page.

More climate data for Romeoville

Temperature Rainfall Sunshine Humidity

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