St. Louis in August
Not the best time
August is St. Louis's trial by fire. The heat is genuinely oppressive and can be dangerous. Locals survive by staying inside, and you should too unless you're specifically here for summer baseball.
Weather
August doubles down on July's heat with even less mercy. This is St. Louis at its most brutal - sticky, sweltering, and exhausting. The heat index stays dangerous for hours each day, and even nights don't bring much relief from the humidity.
32°C high21°C low7 rain days
Crowds & Cost
high crowds
~$170/day average
Events & Festivals
- •Missouri State Fair (though held in Sedalia)
- •Cardinals late summer baseball
August Tips
- •Seriously consider postponing your trip unless you love extreme heat
- •If you must visit, stay hydrated and stick to air-conditioned attractions
- •Hotel pools and the Missouri Botanical Garden's Climatron become essential
All Months
April through June brings perfect weather and blooming flowers in Forest Park. The humidity hasn't kicked in yet, and outdoor festivals start picking up steam. September and October deliver crisp air and fall colors — ideal for walking the riverfront or exploring neighborhoods on foot.
Summer gets sticky. July and August see temperatures pushing 90°F with humidity that makes it feel worse. But this is when the city comes alive — outdoor concerts, baseball season, and festivals every weekend. Just pack light, breathable clothes and plan indoor activities for the hottest part of the day.
Winter can be brutal with ice storms and temperatures dropping below freezing. January through March sees fewer crowds and lower hotel rates, but many outdoor attractions close or reduce hours.
St. Louis Scores
Solo
6/10
Couples
6/10
Families
8/10
Adventure
5/10
Budget
8/10
Luxury
5/10
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