SpringPeak season ~72°F highs

Things to do in Saint Louis in May

May is one of the best months to visit Saint Louis, with average highs around 72°F. Blooming parks and mild days make it easy to pack in sights.

Plan a May weekend Where else in May

Best picks for May

What's famous here, weighted toward what shines in May.

1Spring blooms

Gateway Arch National Park

Gateway Arch National Park is an American national park located in St. Louis, Missouri, near the starting point of the Lewis and Clark Expedition.

2Spring blooms

Forest Park

Forest Park is a public park in western St. Louis, Missouri. It is a prominent civic center and covers 1,326 acres.

Holidays in May 2027

Memorial Day · Mon, May 31

Expect busier roads and pricier stays around these dates. See long weekends.

Also great in May in Missouri

Springfield Kansas City Columbia

Saint Louis in May: quick answers

Is May a good time to visit Saint Louis?

May is one of the best months to visit Saint Louis, with average highs around 72°F. Blooming parks and mild days make it easy to pack in sights.

What is the weather like in Saint Louis in May?

Average daytime highs are around 72°F, compared with 90°F in the warmest month. Check the forecast a week out; our planner favors indoor stops on rainy days.

What are the best things to do in Saint Louis in May?

Top picks for May: Gateway Arch National Park, Forest Park, Missouri Botanical Garden, Gateway Arch, Tower Grove Park.