Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in St. Louis is from May, September, October. — consistent weather climate
🌦Humid
| Score | 12 | 22 | 33 | 69 | 73 | 71 | 49 | 66 | 81 | 81 | 41 | 20 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cold | Cold | Cold | Cool & rainy | Humid | Humid | Hot & rainy | Humid | Humid | Mild | Cold | Cold |
| Temperature | -4–5°C | -3–8°C | 3–14°C | 8–19°C | 14–24°C | 19–30°C | 22–31°C | 20–30°C | 17–28°C | 11–21°C | 3–13°C | 0–8°C |
| Feels like | -8–1°C | -7–4°C | -1–11°C | 5–17°C | 13–25°C | 21–32°C | 24–35°C | 22–33°C | 18–29°C | 8–19°C | 0–10°C | -5–5°C |
| Precipitation | 81mm 8 days | 68mm 8 days | 141mm 11 days | 128mm 10 days | 138mm 11 days | 115mm 9 days | 174mm 11 days | 138mm 9 days | 119mm 6 days | 90mm 8 days | 84mm 7 days | 81mm 8 days |
| Sunshine | 5.3h ☀︎ 54% | 7.0h ☀︎ 65% | 7.2h ☀︎ 60% | 9.0h ☀︎ 68% | 9.9h ☀︎ 70% | 11.6h ☀︎ 78% | 11.8h ☀︎ 81% | 11.0h ☀︎ 81% | 10.2h ☀︎ 83% | 8.1h ☀︎ 73% | 7.0h ☀︎ 70% | 5.9h ☀︎ 62% |
| Wind | W · 19 km/h | W · 20 km/h | SW · 21 km/h | SW · 22 km/h | S · 19 km/h | SW · 16 km/h | SW · 15 km/h | S · 14 km/h | SE · 15 km/h | SW · 18 km/h | SW · 19 km/h | SW · 19 km/h |
| Humidity (%) | 69% | 66% | 67% | 65% | 71% | 68% | 73% | 74% | 70% | 67% | 69% | 71% |
| Day length | 9.8h | 10.8h | 12.0h | 13.2h | 14.3h | 14.8h | 14.5h | 13.6h | 12.4h | 11.2h | 10.1h | 9.5h |