Weather World
Saint-Louis Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 92°F Lo 66°F | Hi 94°F Lo 66°F | Hi 96°F Lo 66°F | Hi 98°F Lo 68°F | Hi 98°F Lo 70°F | Hi 96°F Lo 73°F | Hi 93°F Lo 77°F | Hi 91°F Lo 78°F | Hi 92°F Lo 78°F | Hi 98°F Lo 78°F | Hi 97°F Lo 74°F | Hi 92°F Lo 68°F |
| 11 mph | 11 mph | 11 mph | 12 mph | 11 mph | 11 mph | 10 mph | 9 mph | 8 mph | 9 mph | 9 mph | 10 mph |
| 0 in | 0 in | 0 in | 0 in | 0 in | 0.2 in | 1.1 in | 4.7 in | 4.2 in | 0.5 in | 0 in | 0 in |
| 22% | 27% | 38% | 42% | 49% | 58% | 65% | 69% | 68% | 52% | 33% | 25% |
| 13% | 11% | 7% | 6% | 7% | 13% | 25% | 41% | 32% | 14% | 12% | 15% |
| 29.9 in | 29.9 in | 29.9 in | 29.8 in | 29.8 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in |
| 31 | 28 | 31 | 30 | 31 | 30 | 28 | 23 | 21 | 28 | 30 | 31 |
| 0 | 0 | 0 | 0 | 0 | 1 | 3 | 8 | 9 | 3 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 7 | 6 | 7 | 7 | 7 | 7 | 7 | 6 | 7 | 7 | 7 | 6 |
| 336 | 306 | 356 | 350 | 338 | 310 | 261 | 179 | 223 | 320 | 326 | 323 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 33°C Lo 19°C | Hi 34°C Lo 19°C | Hi 36°C Lo 19°C | Hi 37°C Lo 20°C | Hi 37°C Lo 21°C | Hi 35°C Lo 23°C | Hi 34°C Lo 25°C | Hi 33°C Lo 26°C | Hi 34°C Lo 26°C | Hi 37°C Lo 26°C | Hi 36°C Lo 23°C | Hi 33°C Lo 20°C |
| 17 km/h | 18 km/h | 18 km/h | 19 km/h | 18 km/h | 17 km/h | 17 km/h | 15 km/h | 13 km/h | 14 km/h | 15 km/h | 17 km/h |
| 0 mm | 0 mm | 1 mm | 0 mm | 0 mm | 6 mm | 28 mm | 118 mm | 107 mm | 14 mm | 1 mm | 1 mm |
| 22% | 27% | 38% | 42% | 49% | 58% | 65% | 69% | 68% | 52% | 33% | 25% |
| 13% | 11% | 7% | 6% | 7% | 13% | 25% | 41% | 32% | 14% | 12% | 15% |
| 1014 mb | 1012 mb | 1011 mb | 1010 mb | 1011 mb | 1012 mb | 1012 mb | 1012 mb | 1012 mb | 1011 mb | 1011 mb | 1013 mb |
| 31 | 28 | 31 | 30 | 31 | 30 | 28 | 23 | 21 | 28 | 30 | 31 |
| 0 | 0 | 0 | 0 | 0 | 1 | 3 | 8 | 9 | 3 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 7 | 6 | 7 | 7 | 7 | 7 | 7 | 6 | 7 | 7 | 7 | 6 |
| 336 | 306 | 356 | 350 | 338 | 310 | 261 | 179 | 223 | 320 | 326 | 323 |
| Month |
| Avg. Temperatures |
| Avg. Wind Speed |
| Avg. Precipitation |
| Average Humidity |
| Avg. Cloud Cover |
| Pressure Average |
| Average Dry Days |
| Avg. Precip. Days |
| Avg. Snow Days |
| Average Fog Days |
| Average UV Index |
| Avg. Hours of Sun |
Averages are based on historical weather data from the past 10 years.