Mount Vernon Weather in August

August in Mount Vernon averages 30°C (86°F) during the day and 19°C (66°F) at night. Quite a bit of rainfall is typical this month, with around 92 mm (3.6 in) on average. An umbrella is a good idea.

Rainfall in Mount Vernon in August

Historically, August sees about 8 days of rain, with a monthly average of 92 mm (3.6 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Mount Vernon in August

Temperatures in Mount Vernon in August top out at 30°C (86°F) and drop to 19°C (66°F) overnight. Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. At 19°C (66°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.

If your ideal day consists of dry skies and pleasant temperatures, September and October typically offer the best circumstances for Mount Vernon.

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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 Mount Vernon's climate page.

Mount Vernon Temperature in August

Min Temperature 19°C (66°F)  

Max Temperature 30°C (86°F)  

Chance of Rain 26%  

Precipitation 92 mm (3.6 in)  

Rainy days 8 days  

What to Wear in Mount Vernon 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.

What To Do in Mount Vernon in August

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

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 Mount Vernon's climate page.

More climate data for Mount Vernon

Temperature Rainfall

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