Downers Grove Weather in August

August in Downers Grove typically sees daytime highs of 28°C (82°F) and nighttime lows of 17°C (63°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Downers Grove in August

Typically, about 11 days will experience rainfall, with an average of 119 mm (4.7 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Downers Grove in August

In August, expect high temperatures in Downers Grove, with highs of 28°C (82°F) and lows of 17°C (63°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 17°C (63°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Downers Grove in August

Expect a lot of sunshine this month, with about 280 hours of sun. These sunny conditions add to the overall experience.

Wind Speed in Downers Grove in August

In August, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.

If you prefer dry days with pleasant temperatures, September typically offers 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 Downers Grove's climate page.

Downers Grove Temperature in August

Min Temperature 17°C (63°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 36%  

Precipitation 119 mm (4.7 in)  

Rainy days 11 days  

Humidity 71% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 280 hours *  

Percentage Sunshine 66% *  

* Data from: Chicago, the United States of America (22 KM, 14 Miles).

What to Wear in Downers Grove in August

Warm but pleasant conditions in Downers Grove in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Downers Grove 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 Downers Grove's climate page.

More climate data for Downers Grove

Temperature Rainfall Sunshine Humidity Wind Speed

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