St. Louis, Missouri, perched gracefully on the banks of the Mississippi River, boasts a vibrant spirit and a rich history. However, its weather can be as unpredictable as a game of Cardinals baseball! From scorching summer days to icy winter blasts, the Gateway City experiences a full spectrum of weather patterns. Whether you're planning a visit or just curious about the city's climatic personality, this guide will give you the inside scoop on St. Louis weather, season by season.
Springtime in St. Louis: A Season of Renewal (and Rain!)

Caption: Spring brings an explosion of color to St. Louis parks.
Ah, spring! The time when the Gateway Arch seems to sparkle a little brighter under the promise of warmer days. But don't be fooled by the sunshine; spring in St. Louis is notorious for its fickleness.
What to Expect:
- Temperature: Expect a wide range, from chilly mornings in the 40s°F (4-9°C) to pleasantly warm afternoons reaching the 70s°F (21-26°C).
- Rainfall: April showers bring May flowers, and lots of them! Spring is the wettest season in St. Louis, so pack your umbrella and be prepared for sudden downpours.
- Severe Weather: Spring also marks the beginning of severe weather season in the Midwest. Keep an eye on the forecast for potential thunderstorms, strong winds, and even the occasional tornado.
What to Wear:
Layering is key during St. Louis springs. Pack a mix of long and short-sleeved shirts, light sweaters, a jacket, and waterproof shoes. Don't forget sunglasses and a hat for sunny days!
Things to Do:
- Visit the Missouri Botanical Garden: Witness the breathtaking beauty of spring blooms during the Garden's annual Flower Fest.
- Take a stroll through Forest Park: Enjoy the fresh air and vibrant greenery with a leisurely walk, jog, or bike ride.
- Catch a Cardinals game at Busch Stadium: Experience the excitement of baseball season as the city cheers on its beloved team.
Summer in St. Louis: Embrace the Heat (and Humidity!)

Caption: Summer in St. Louis is filled with outdoor festivals and events.
Get ready for hot, humid days that make you want to dive into the nearest pool! St. Louis summers are not for the faint of heart, but they're bursting with energy and outdoor fun.
What to Expect:
- Temperature: Highs regularly reach the upper 80s°F (30-33°C) and often climb into the 90s°F (32-37°C). Combine that with high humidity, and it can feel even hotter.
- Sunshine: St. Louis enjoys plenty of sunshine during the summer, so sunscreen, hats, and sunglasses are a must.
- Thunderstorms: While less frequent than in spring, summer thunderstorms can pop up quickly, bringing heavy rain and strong winds.
What to Wear:
Light, loose-fitting clothing made from breathable fabrics like cotton or linen is your best bet for staying comfortable in the St. Louis heat. Don't forget your swimsuit and a wide-brimmed hat.
Things to Do:
- Cool off at Six Flags St. Louis: Experience thrilling rides and refreshing water attractions at this popular amusement park.
- Enjoy a concert at the Muny: Catch a Broadway-quality show under the stars at this unique outdoor theatre.
- Take a cruise on the Mississippi River: Escape the heat with a scenic riverboat ride and enjoy unique views of the city.
Autumn in St. Louis: A Spectacle of Color and Comfort

Caption: Fall paints a vibrant masterpiece across St. Louis.
As the leaves turn to brilliant shades of gold, red, and orange, autumn in St. Louis offers a truly magical experience. The air is crisp, the days are mild, and the city takes on a special charm.
What to Expect:
- Temperature: Temperatures gradually cool down, ranging from the 70s°F (21-26°C) in early fall to the 40s°F (4-9°C) by November.
- Rainfall: Autumn brings a moderate amount of rainfall, less than spring but more than summer.
- Sunshine: Enjoy crisp, sunny days perfect for exploring the city's parks and outdoor attractions.
What to Wear:
Pack layers to adapt to the changing temperatures. Long-sleeved shirts, sweaters, light jackets, and comfortable shoes are ideal for enjoying the fall activities.
Things to Do:
- Explore Forest Park in all its autumn glory: Take a hike, rent a bike, or simply wander through the park's stunning fall foliage.
- Visit the Saint Louis Zoo: Enjoy a day observing animals from around the world in a beautifully landscaped setting.
- Attend a football game: Cheer on the St. Louis Battlehawks (XFL) and experience the city's passion for football.
Winter in St. Louis: Bracing Cold and Festive Cheer

Caption: Winter transforms St. Louis into a picturesque wonderland.
Winter in St. Louis brings a different kind of beauty—one of snow-dusted landscapes, twinkling lights, and the cozy comfort of fireplaces crackling. It's also the time to bundle up and embrace the chill.
What to Expect:
- Temperature: Expect cold temperatures, often dipping below freezing, with average highs in the 30s°F (-1-4°C) and lows in the 20s°F (-6- -1°C).
- Snowfall: St. Louis receives an average of 18 inches (46 cm) of snow annually, with the heaviest snowfall typically occurring in January and February.
- Wind Chill: The wind can make it feel significantly colder, so be prepared with warm layers.
What to Wear:
Warm winter clothing is essential. Pack a heavy coat, hat, gloves, scarf, and waterproof boots to keep warm and dry. Layers are your friend, allowing you to adjust to indoor and outdoor temperatures.
Things to Do:
- Go ice skating at Steinberg Skating Rink: Enjoy a classic winter activity with the iconic Gateway Arch as your backdrop.
- Explore the City Museum: This whimsical museum offers a unique indoor adventure for all ages.
- Get cozy at a local coffee shop or brewery: Warm up with a hot beverage and soak in the city's cozy winter ambiance.
The Best Time to Visit St. Louis
The best time to visit St. Louis largely depends on your personal preferences and tolerance for different weather conditions.
- For pleasant weather and outdoor activities: Spring (April-May) and fall (September-October) offer the most comfortable temperatures and fewer crowds.
- For summer festivals and events: June-August is the time for outdoor concerts, baseball games, and vibrant city life, but be prepared for heat and humidity.
- For a cozy winter getaway: December-February offers festive decorations, ice skating, and a charming winter atmosphere, but be sure to pack accordingly for the cold.
Tips for Navigating St. Louis Weather
- Check the forecast: St. Louis weather can be unpredictable, so always check the forecast before heading out.
- Be prepared for anything: Pack a variety of clothing options to adapt to changing weather conditions, especially during the transitional seasons.
- Stay hydrated: Drink plenty of water, especially during the hot and humid summer months.
- Dress in layers: Layering your clothing allows you to adjust to temperature changes throughout the day.
- Wear sunscreen: Protect your skin from the strong sun, even on cloudy days.
- Embrace the indoors: St. Louis has a wealth of indoor attractions to enjoy, from museums and art galleries to theaters and restaurants.
St. Louis Weather: Full of Character, Just Like the City
St. Louis weather may be a bit of a wild card, but it's all part of the city's charm. Just like its people, the weather is full of personality, keeping you on your toes and offering something new to experience each season. So, pack your bags, embrace the adventure, and come discover the Gateway City in all its meteorological glory!