Best Time to Visit St. Louis, Missouri, USA
Month-by-month climate guide for planning a trip to St. Louis.
St. Louis does not have a month that clearly fits our sunny profiles. Its practical travel window centres on its warmest (July, 26.5°C / 79.7°F) and driest (January, 51 mm / 2 in) months. The drier stretch runs through August–February; the wetter half falls in March–July. At the city itself, monthly average temperatures range from -1.5°C / 29.3°F in January to 26.5°C / 79.7°F in July, with rainfall from 51 mm / 2 in (January) to 103 mm / 4.1 in (May). These are point-value climate normals sampled at St. Louis, Missouri, United States of America's coordinates — usually more actionable for travellers than the country-wide average. St. Louis's climate is broadly strongly continental. The full month-by-month table below lets you match your travel window against our five weather profiles.
Recommended months
| Month | Temp | Rain | Feels like |
|---|---|---|---|
| August | 25.4°C77.7°F | 82 mm3.2″ | — |
| July | 26.5°C79.7°F | 95 mm3.7″ | — |
| June | 24.3°C75.7°F | 93 mm3.7″ | — |
No month at St. Louis matches our sunny profiles. The three above are the driest-and-warmest fallback.
Frequently asked questions
When is the best time to visit St. Louis?
St. Louis doesn't have a month that clearly matches our sunny profiles. The practical travel window centres on January (driest, ~51 mm / 2 in) and July (warmest, 26.5°C / 79.7°F). Because these are point values at the city, they can differ substantially from United States of America's national average.
When is the rainy season in St. Louis?
The rainy season at St. Louis, Missouri runs through March–July, when monthly rainfall exceeds the annual median of about 87 mm / 3.4 in. The wettest single month is May (103 mm / 4.1 in).
What is the driest month in St. Louis?
The driest month in St. Louis is January, averaging about 51 mm / 2 in of rainfall. Temperature that month averages -1.5°C / 29.3°F.
What months should I avoid visiting St. Louis?
The least comfortable months for travel to St. Louis — based on point-value climate at the city — are January, February, March, April, May, July, November, December. These are the wettest or coolest months at this location. Rainfall peaks at 103 mm / 4.1 in in May, and the coldest month averages -1.5°C / 29.3°F.
Is St. Louis climate different from United States of America overall?
Yes, usually. Our St. Louis figures are point-value climate normals sampled at the city itself, while our United States of America figures are area-weighted averages across the whole country. The two can diverge substantially in geographically diverse or elevation-varied countries. The month-by-month table below reflects St. Louis specifically — usually the more actionable data for a traveller planning to spend time in the city.