St. Louis weather in August
Hot and humid, with some rainy days. Average highs of 30°C and lows of 20°C, with around 12 rainy days expected throughout the month.
While August isn't our top-rated month for St. Louis, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
30°C
Average low
20°C
Rainy days
12 days
Best months to visit
September
What to do in St. Louis in August
Whatever the weather, St. Louis rewards curious visitors. Here are some of the best ways to spend your time:
Explore
Dine
Culture
Nature
Shopping
Day trips
What to pack for August
Light breathable clothing, high-SPF sunscreen, a wide-brimmed hat, and a reusable water bottle are essential. Pack sandals and at least one light layer for air-conditioned interiors.
Browse other months
January
5C
Cold, with occasional showers.
February
7C
Cold, with occasional showers.
March
13C
Cool, with some rainy days.
April
19C
Mild and comfortable, with some rainy days.
May
24C
Mild and comfortable, with some rainy days.
June
30C
Hot and humid, with some rainy days.
July
31C
Hot and humid, with some rainy days.
August (you are here)
30C
Hot and humid, with some rainy days.
Recommended
September
27C
Warm and pleasant, with occasional showers.
October
20C
Mild and comfortable, with some rainy days.
November
12C
Cool, with occasional showers.
December
8C
Cold, with occasional showers.
Book your August trip to St. Louis
Find hotels, tours and experiences for the perfect escape.
