BestTimesToVisit.com Logo

✓ Updated February 2026

Weather data and travel information verified current

Best Time to Visit St. Louis, USA: Apr or Sep 2026

St. Louis, USA travel destination - scenic view of top landmarks during ideal visiting season
Image: Runner Fountain and Old Courthouse and Arch (5618845531).jpg viaWikimedia Commons

✈️ Ready to book your trip?

Compare flights, hotels, and packages on Trip.com

Search Now

Quick Answer:

For a truly radiant St. Louis experience, aim for late April through June when the city awakens with vibrant energy. Imagine strolling through Forest Park under a canopy of fresh green, the air alive with the scent of blooming flowers, or enjoying the lively atmosphere of outdoor festivals. Alternatively, the early fall months, specifically September and October, offer a crisp, comfortable climate perfect for exploring the Gateway Arch and enjoying golden sunsets over the Mississippi River. The crowds are thinner, allowing for a more intimate connection with the city's rich history and cultural attractions.

Best Months to Visit:

AprSepOct

Airport Code

STL

Coordinates

38.63°, -90.20°

NEWVANGA Universal USB-C Travel Adapter (All-in-One)
Traveler Recommended

One Travel Essential Almost Everyone Forgets

NEWVANGA Universal USB-C Travel Adapter (All-in-One)

Compact all-in-one adapter with US, UK, EU and AU plugs plus fast USB charging, so you can charge your phone and laptop in 150+ countries without hunting for the right plug.

As an Amazon Associate, we earn from qualifying purchases.

💡 Travel Tip: For the best value on hotels during this season, check current rates on Trip.com.

Essential Travel Tips

food

You absolutely MUST try St. Louis-style pizza – it's thin, cracker-like crust, cut into squares, and often topped with Provel cheese. Grab a slice at Imo's Pizza, a local institution, and don't be surprised if it's a bit different from what you're used to, but it's a true taste of the city!

transport

While St. Louis has public transport, renting a car or using ride-sharing services like Uber/Lyft will give you the most flexibility, especially if you plan to explore beyond the immediate downtown area. Many of the best neighborhoods and attractions, like Forest Park or the Hill, are spread out.

money

Take advantage of the free attractions! Forest Park is home to world-class institutions like the Saint Louis Art Museum and the Missouri History Museum, both of which offer free general admission. You can easily spend a whole day exploring without spending a dime on entry fees.

culture

Don't be afraid to strike up conversations with locals, especially at a Cardinals baseball game or a neighborhood pub. St. Louisans are generally friendly and proud of their city; ask for recommendations for the best BBQ joint or a hidden gem park, and you'll likely get some great insider tips.

packing

Pack layers, no matter the season. St. Louis weather can be unpredictable; summers are hot and humid, while winters can be quite cold with snow. Even in spring and fall, you might experience significant temperature swings throughout the day.

safety

Like any major city, be aware of your surroundings, especially at night. Stick to well-lit areas, keep valuables secure, and be mindful of your personal belongings, particularly in crowded tourist spots or on public transportation.

💡 Travel Tip: If you're planning your trip, it's worth checking flight prices on Trip.com before you decide.

Weather Details

Jan
8 days
Feb
7 days
Mar
9 days
Apr
9 days
May
10 days
Jun
9 days
Jul
8 days
Aug
7 days
Sep
7 days
Oct
8 days
Nov
8 days
Dec
8 days

Monthly Weather Data Table

MonthHigh (°C)Low (°C)High (°F)Low (°F)Rainfall (mm)Rain DaysDaylight (h)
Jan4°C-4°C39°F25°F50mm
8 days
9.7h
Feb7°C-2°C45°F28°F51mm
7 days
10.7h
Mar13°C3°C55°F37°F77mm
9 days
12h
Apr19°C8°C66°F46°F81mm
9 days
13.2h
May24°C13°C75°F55°F102mm
10 days
14.2h
Jun29°C18°C84°F64°F99mm
9 days
14.9h
Jul31°C21°C88°F70°F94mm
8 days
14.7h
Aug30°C20°C86°F68°F76mm
7 days
13.8h
Sep26°C16°C79°F61°F77mm
7 days
12.6h
Oct20°C9°C68°F48°F74mm
8 days
11.4h
Nov13°C3°C55°F37°F74mm
8 days
10.3h
Dec6°C-2°C43°F28°F59mm
8 days
9.5h

St. Louis, USA Month by Month: Complete Guide

Planning your trip to St. Louis, USA? Here's what to expect each month:

Jan in St. Louis, USA

Weather

4°C°C / 39°F°F

8 days rainy days • 50mmmm

What to Expect

Winter season with cooler temperatures. Fewer tourists but some attractions may have limited hours.

Crowd Level

🟢 Low - Quiet season, easy to find accommodation

Quick Tip: Jan is cooler. Pack warm clothing and layers.

Feb in St. Louis, USA

Weather

7°C°C / 45°F°F

7 days rainy days • 51mmmm

What to Expect

Late winter, beginning to warm up. Good for budget travelers seeking lower prices.

Crowd Level

🟢 Low - Quiet season, easy to find accommodation

Quick Tip: Feb is cooler. Pack warm clothing and layers.

Mar in St. Louis, USA

Weather

13°C°C / 55°F°F

9 days rainy days • 77mmmm

What to Expect

Spring begins, mild weather. Shoulder season with moderate crowds.

Crowd Level

🟢 Low - Quiet season, easy to find accommodation

Quick Tip: Mar offers a quieter experience with fewer tourists.

Apr in St. Louis, USA

⭐ Best Time

Weather

19°C°C / 66°F°F

9 days rainy days • 81mmmm

What to Expect

Spring in full bloom. Pleasant temperatures and growing tourist activity.

Crowd Level

🟡 Moderate - Comfortable crowds, good availability

Quick Tip: Apr is one of the best times to visit with ideal weather conditions.

May in St. Louis, USA

Weather

24°C°C / 75°F°F

10 days rainy days • 102mmmm

What to Expect

Late spring, excellent weather. One of the best times to visit for most travelers.

Crowd Level

🟡 Moderate - Comfortable crowds, good availability

Quick Tip: May sees significant rainfall. Bring waterproof gear.

Jun in St. Louis, USA

Weather

29°C°C / 84°F°F

9 days rainy days • 99mmmm

What to Expect

Early summer, warm and sunny. Peak season begins, book accommodations early.

Crowd Level

🔴 High - Peak tourist season, book early

Quick Tip: Jun offers a quieter experience with fewer tourists.

Jul in St. Louis, USA

Weather

31°C°C / 88°F°F

8 days rainy days • 94mmmm

What to Expect

Peak summer season. Hot weather and highest tourist crowds. Most expensive time.

Crowd Level

🔴 High - Peak tourist season, book early

Quick Tip: Jul can be quite hot. Stay hydrated and plan indoor activities.

Aug in St. Louis, USA

Weather

30°C°C / 86°F°F

7 days rainy days • 76mmmm

What to Expect

Peak summer continues. Very crowded but great weather for outdoor activities.

Crowd Level

🔴 High - Peak tourist season, book early

Quick Tip: Aug offers a quieter experience with fewer tourists.

Sep in St. Louis, USA

⭐ Best Time

Weather

26°C°C / 79°F°F

7 days rainy days • 77mmmm

What to Expect

Early fall, shoulder season. Weather still good, crowds decreasing. Great value.

Crowd Level

🟡 Moderate - Comfortable crowds, good availability

Quick Tip: Sep is one of the best times to visit with ideal weather conditions.

Oct in St. Louis, USA

⭐ Best Time

Weather

20°C°C / 68°F°F

8 days rainy days • 74mmmm

What to Expect

Fall season, mild temperatures. Lower crowds and good prices. Comfortable for sightseeing.

Crowd Level

🟡 Moderate - Comfortable crowds, good availability

Quick Tip: Oct is one of the best times to visit with ideal weather conditions.

Nov in St. Louis, USA

Weather

13°C°C / 55°F°F

8 days rainy days • 74mmmm

What to Expect

Late fall, cooler weather. Off-season begins, significant discounts available.

Crowd Level

🟢 Low - Quiet season, easy to find accommodation

Quick Tip: Nov offers a quieter experience with fewer tourists.

Dec in St. Louis, USA

Weather

6°C°C / 43°F°F

8 days rainy days • 59mmmm

What to Expect

Winter season, holiday atmosphere. Festive but can be cold. Mixed crowds.

Crowd Level

🔴 High - Peak tourist season, book early

Quick Tip: Dec is cooler. Pack warm clothing and layers.

Planning your St. Louis, USA adventure? Enhance it with a customizable private tour guide via GoWithGuide—perfect for exploring beyond the city.

GoWithGuide Tours and Experiences

Getting Around St. Louis, USA

MetroLink Light Rail

St. Louis's light rail system is a clean and efficient way to get around the city and its surrounding suburbs, connecting the airport to downtown and extending into Illinois. It's ideal for avoiding traffic and parking hassles, especially when heading to major attractions like the Arch or Busch Stadium.

Cost:$2.50 per ride for a single fare, with day passes available for $5.00.
Tip:Download the 'Metro Transit' app for real-time schedules and fare payment. A common mistake is assuming it runs late into the night; service typically ends around midnight, so plan accordingly for evening events. Be aware of your surroundings, especially during off-peak hours, and keep valuables secure.

MetroBus System

The extensive MetroBus network complements the MetroLink, reaching areas not covered by rail and offering more granular coverage within neighborhoods. It's a budget-friendly option for exploring diverse areas like The Hill or Forest Park.

Cost:$2.50 per ride, with transfers included within a two-hour window.
Tip:Use the 'Metro Transit' app to plan your route and track buses in real-time. Many buses have digital displays showing the next stop, but it's wise to listen for announcements or have your destination noted. Avoid waiting at poorly lit or isolated stops after dark; opt for busier, well-lit locations.

Ride-Sharing Services (Uber/Lyft)

Uber and Lyft are ubiquitous in St. Louis, offering convenient door-to-door service for almost any destination. They are particularly useful for getting to restaurants or attractions not directly on a MetroLink or MetroBus line, or when traveling with a group.

Cost:Varies based on distance, time of day, and demand, but expect around $15-$30 for most in-city trips.
Tip:Always verify the license plate and driver's photo in the app before getting into the car. Surge pricing can significantly increase costs during peak hours or major events; check alternative transport options if you see high surge multipliers. It's polite to have your destination clearly entered in the app to avoid confusion.

Taxis

Traditional taxis are available throughout St. Louis, often found at major hotels, the airport, and designated taxi stands. While less common than ride-sharing for spontaneous trips, they can be a reliable option, especially if you prefer a regulated service.

Cost:Metered fares, typically starting around $2.50-$3.00 with additional charges per mile and waiting time.
Tip:Look for official taxis with company markings and a visible meter. While not as common a mistake as in other cities, be wary of unofficial 'taxis' approaching you. Tipping your driver 15-20% is customary for good service.

Biking (Metro Bike Share)

For exploring parks like Forest Park or the downtown riverfront, the Metro Bike Share program offers a healthy and enjoyable way to get around. It's perfect for short, scenic trips and accessing areas where parking might be difficult.

Cost:Starts at $1 for a 30-minute ride, with various membership plans available (e.g., $15 for a day pass).
Tip:Download the 'Metro Bike Share St. Louis' app to locate bikes and unlock them. Ensure you know where the designated docking stations are before you start your ride, as leaving bikes outside of them can incur extra fees. Always wear a helmet and be mindful of pedestrian traffic, especially on shared paths.

💡 Travel Tip: This season usually means better deals — check what's available on Trip.com.

Similar Destinations

Frequently Asked Questions

When's the absolute best time to visit St. Louis, considering both weather and crowds?

For a sweet spot of pleasant weather and manageable crowds, aim for late April to early June, or September to mid-October. You'll catch the city in bloom or with beautiful fall colors, and avoid the peak summer heat and the throngs of families on summer vacation. Plus, you'll likely find better deals on accommodations during these shoulder seasons.

Beyond the Gateway Arch, what's a must-see that most tourists miss?

You absolutely have to explore the City Museum. It's not a traditional museum with quiet exhibits; it's a wildly imaginative, interactive playground built from reclaimed architectural and industrial objects. Think climbing through a giant Slinky or sliding down a 10-story spiral slide – it's an unforgettable experience for all ages, and a true St. Louis original.

How do I get around St. Louis without a car?

St. Louis has a decent public transit system, primarily the MetroLink light rail and MetroBus. The MetroLink is great for connecting the airport, downtown attractions, and some key neighborhoods like the Central West End. For exploring specific areas or reaching places not on the MetroLink line, ride-sharing services are readily available and generally affordable.

What's a local food I absolutely *must* try, and where can I find the best version?

You can't leave St. Louis without trying toasted ravioli! It's a local invention, typically breaded and deep-fried, served with marinara sauce. While many Italian restaurants serve them, Charlie Gitto's on the Hill is often cited as the originator, so it's worth seeking out for that authentic taste. Just be warned, they're addictive!

Are there any local events or festivals that are worth planning a trip around?

If you're visiting in late August, the Missouri State Fair (though technically in Sedalia, it draws many from St. Louis) offers a classic Midwestern fair experience. Closer to the city, the LouFest music festival in Forest Park (check dates as they can vary) is a fantastic way to experience local and national music talent in a beautiful setting. For a truly unique St. Louis experience, the annual Shakespeare in the Park in Forest Park during the summer is a beloved tradition.

What's a good way to experience St. Louis's distinct neighborhoods?

Definitely spend time wandering through the Central West End; it's full of beautiful architecture, independent boutiques, and great cafes perfect for people-watching. For a taste of old-world charm and incredible Italian food, head to 'The Hill,' St. Louis's historic Italian neighborhood, where you can feel the strong sense of community and enjoy authentic cuisine.

What is the cheapest month to visit St. Louis, USA?

The cheapest months to visit St. Louis, USA are typically Jan during the off-season. You can save 30-40% on hotels and flights compared to peak summer months. While weather may not be ideal, you'll enjoy fewer crowds and significant savings.

How many days do you need in St. Louis, USA?

We recommend spending 3-5 days in St. Louis, USA to see the main attractions without feeling rushed. This gives you time to explore the top sights, experience local culture, and take a day trip if desired. Budget travelers might do 2-3 days, while those wanting a deeper experience should plan for a week.

What should I avoid in St. Louis, USA?

Avoid visiting St. Louis, USA during Jan if possible, when weather conditions are less favorable. Also, be cautious of tourist traps in heavily visited areas - research attractions beforehand and consider booking skip-the-line tickets for popular sites.

Is St. Louis, USA expensive to visit?

St. Louis, USA can be enjoyed on various budgets. Daily costs typically range from $50-80 for budget travelers, $100-200 for mid-range visitors, and $250+ for luxury experiences. Prices are highest during Apr and lowest during off-season months. Book accommodations early to secure better rates.

What is St. Louis, USA famous for?

St. Louis, USA is famous for its unique attractions, rich culture, and memorable experiences. The destination is best known for its architectural landmarks, local cuisine, and vibrant atmosphere. Visit during Apr or Sep for the best experience.

Ready to Plan Your Trip?

Explore accommodation options on Booking.com or find amazing tours and activities with GetYourGuide.

Tip: Booking through these links may earn us a small commission at no extra cost to you, helping support this site's free content!