When to visit St. Louis without the crowds
St. Louis (Missouri, United States) is calmest in January, February, March, April, September, October, November and December: fewer people and better prices. It gets busiest in June, July and August. Below is every month with crowds, temperatures and festivals.
Best months
Apr–May & Oct
When everyone heads home
The second half of August.
Tip
The tram to the top of the Arch sells out in summer: book your slot online.
Month by month
| Month | Crowds | Avg. high | Festivals & holidays |
|---|---|---|---|
| January | 2/5 · calm | 4 °C (40 °F) | New Year's Day, Martin Luther King, Jr. Day |
| February | 2/5 · calm | 8 °C (47 °F) | Presidents Day |
| March | 2/5 · calm | 14 °C (58 °F) | |
| April | 2/5 · calm | 19 °C (67 °F) | |
| May | 3/5 · moderate | 25 °C (76 °F) | Memorial Day |
| June | 4/5 · busy | 30 °C (86 °F) | Juneteenth National Independence Day |
| July | 5/5 · busy | 31 °C (88 °F) | Summer holidays & the Fourth of July, Independence Day |
| August | 4/5 · busy | 30 °C (85 °F) | |
| September | 2/5 · calm | 28 °C (82 °F) | Labour Day |
| October | 2/5 · calm | 21 °C (70 °F) | |
| November | 2/5 · calm | 13 °C (56 °F) | Veterans Day, Thanksgiving Day |
| December | 2/5 · calm | 8 °C (46 °F) | Christmas Day |
Crowds are a relative index for each place: 1 is its calmest month and 5 its busiest. Temperatures: Copernicus ERA5, 2016–2025 average. Includes official tourism statistics (National Park Service, Gateway Arch National Park, 2023-2025). How it works
Frequently asked questions
What is the best month to visit St. Louis without the crowds?
The calmest month is usually January, February, March, April, September, October, November and December (crowds 2/5). In October the average high is 21 °C (70 °F). All the calm months: January, February, March, April, September, October, November and December.
When is St. Louis most crowded?
The busiest season is June, July and August. The second half of August.
What is the weather like in St. Louis?
Average highs range from 4 °C (40 °F) in January to 31 °C (88 °F) in July, from Copernicus ERA5 (2016–2025).
What festivals are there in St. Louis?
The main ones: Summer holidays & the Fourth of July (July).
More places in Missouri
- Branson calm in January, February and March; busiest in May, June, July, August and November
- Kansas City calm in January, March, April, May, June, October, November and December; busiest in February, July, August and September