Wentzville Weather in August

Wentzville in August averages 31°C (88°F) during the day and 19°C (66°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Wentzville in August

You can typically expect 9 days of rain this month, averaging around 91 mm (3.6 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 Wentzville in August

In August, Wentzville gets very high temperatures, with highs of 31°C (88°F). Nights cool to around 19°C (66°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. With overnight lows of 19°C (66°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Wentzville in August

The city usually sees around 268 hours of sunlight, indicating many sunny days — a great month for sightseeing.

For Wentzville itself, October 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 Wentzville's climate page.

Wentzville Temperature in August

Min Temperature 19°C (66°F)  

Max Temperature 31°C (88°F)  

Chance of Rain 30%  

Precipitation 91 mm (3.6 in)  

Rainy days 9 days  

Humidity 70% *  

Sunshine 268 hours *  

Percentage Sunshine 64% *  

* Data from: St. Louis, the United States of America (60 KM, 37 Miles).

What to Wear in Wentzville in August

Warm but pleasant conditions in Wentzville 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Wentzville 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

8/10

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 Wentzville's climate page.

More climate data for Wentzville

Temperature Rainfall Sunshine Humidity

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