Month guide · St. Louis · United States
St. Louis in July
What July is really like in St. Louis: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: St_Louis_night_expblend.jpg : Daniel Schwen derivative work: ← fetch comms, CC BY-SA 3.0
Quick answer
July is a quieter month with trade-offs. Expect average highs of 32°C (90°F), lows of 22°C (72°F), about 9 rainy days and roughly 14.6 hours of daylight. The hottest, most humid month; plan outdoor sightseeing for mornings and evenings.
Key facts
- Average high / low
- 32°C (90°F) / 22°C (72°F)
- Rainy days
- About 9
- Daylight
- About 14.6 hours
- Crowds
- Busy
- Hotel prices
- High
Weather in July
July is the warmest month in St. Louis: days average 32°C (90°F) against a yearly average high of 19°C (66°F), and nights fall to about 22°C (72°F). Rain falls on roughly 9 of its 31 days. Compared with June (30°C (86°F)), July is warmer; by August highs stay near 31°C (88°F).
- Sunrise (15 July)
- About 05:48
- Sunset (15 July)
- About 20:25
- Daylight
- About 14.6 hours
Summer (June–August). Hot and humid days, free outdoor Shakespeare, the Muny, Cardinals games and Fourth of July fireworks at the Arch.
Crowds and prices
On a 1–5 scale, July rates 4 for crowds (the peak is June at 4) and 4 for hotel prices (highest in June). Book accommodation early: July is one of the pricier months.
Events in July
- Fair Saint Louis — Fourth of July festival and fireworks at the Arch
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in July
Mild, settled days suit walking, viewpoints and time outdoors.
Museum · Forest Park
Saint Louis Science Center
Head to the bridge over Interstate 64 for the radar guns, then catch a planetarium show.
- Time needed
- 2–3 hours
- Cost
- Free
- Free
- Kids
- Rainy day
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Religious site · Central West End
Cathedral Basilica of Saint Louis
Inside this Romanesque-Byzantine cathedral, completed in the early 20th century, more than 41 million pieces of glass tesserae cover the domes and walls in one of the largest mosaic collections in the world.
- Time needed
- 45 minutes
- Cost
- Free
- Free
- Art
- Architecture
- Rainy day
Historic site · Soulard
Anheuser-Busch Brewery
Take a tour that includes the Clydesdale stables and Brew House; families are welcome, with soft drinks for children.
- Time needed
- 1–2 hours
- Cost
- Low cost
- History
- Architecture
- Food
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Market · Soulard
Soulard Farmers Market
A market has stood on this site since the 18th century, and today's 1929 market hall and open sheds have produce, meat and cheese stalls, spice vendors and snack stands.
- Time needed
- 1 hour
- Cost
- Free
- Free
- Food
- Shopping
- History
What to pack
For highs near 32°C, lows near 22°C and 9 wet days: light, breathable clothes, a sun hat and high-factor sunscreen; a packable rain jacket for showers; comfortable walking shoes.
Is July a good time to visit St. Louis?
A quieter month with trade-offs, with a notable event on the calendar. If your dates are flexible, April–May and September–October are better overall. Compare every month.
St. Louis in other months
Questions travellers ask
+Is July a good time to visit St. Louis?
It is a quieter month with trade-offs. The hottest, most humid month; plan outdoor sightseeing for mornings and evenings.
+How warm is St. Louis in July?
Average highs are around 32°C (90°F) and lows around 22°C (72°F).
+Does it rain a lot in St. Louis in July?
Expect rain on about 9 days of the month.