Best Month to Visit St Louis
Editor's seasonal guidance
Best: Spring (April-May), Autumn (September-October)
Humid continental with hot, humid summers and cold winters
St. Louis sits at the confluence of the Missouri and Mississippi rivers, a position that amplifies severe weather. Tornado risk peaks in spring. Summer humidity creates heat indices well above actual temperatures. Ice storms are a winter hazard.
- Typically sunnier
- September, October
- Typically wetter
- May, June, April
Qualitative editorial guidance, not measured climate normals. This site does not currently publish monthly temperature or rainfall averages because it has no verified climate dataset.
Daylight through the year in St Louis
Daylight, midday sun angle and golden-hour length calculated for St Louis's own coordinates (38.63° N, 90.20° W) on the 15th of each month. These are solar geometry, not climate averages.
| Month | Daylight | Sun at solar noon | Golden hour |
|---|---|---|---|
| January | 9 h 42 min | 30° | 58 min |
| February | 10 h 42 min | 38° | 54 min |
| March | 11 h 48 min | 49° | 51 min |
| April | 13 h 12 min | 61° | 52 min |
| May | 14 h 18 min | 70° | 56 min |
| June | 14 h 54 min | 75° | 59 min |
| July | 14 h 36 min | 73° | 58 min |
| August | 13 h 42 min | 65° | 54 min |
| September | 12 h 24 min | 54° | 51 min |
| October | 11 h 6 min | 42° | 53 min |
| November | 10 h 0 min | 32° | 57 min |
| December | 9 h 30 min | 28° | 60 min |
Deciding within the next week? Best day to visit St Louis ranks the live 7-day forecast. Full current conditions: weather in St Louis.