St. Louis Weather Averages
Climate averages for St. Louis based on 10 years of historical data.
Annual avg temp
14.1°C
Annual avg high
19.0°C
Annual avg low
9.7°C
Record high
40°C
Record low
-20°C
Annual rainfall
1530 mm
Rainy days
128
Sunshine
3.9h/day
Nem
71%
Average St. Louis temperatures by month
Avg high
Avg low
Average rainfall in St. Louis by month
Rainfall (mm)
Sunshine hours in St. Louis by month
Sunshine (h/day)
Humidity in St. Louis by month
Average humidity
Month-by-month averages
| Month | Avg High | Avg Low | Rainfall | Sunshine |
|---|---|---|---|---|
| Ocak Hava Durumu | 5°C | -3°C | 86 mm | 2.7h |
| Şubat Hava Durumu | 7°C | -2°C | 74 mm | 3.1h |
| Mart Hava Durumu | 13°C | 4°C | 158 mm | 3.2h |
| Nisan Hava Durumu | 18°C | 8°C | 155 mm | 3.9h |
| Mayıs Hava Durumu | 24°C | 15°C | 165 mm | 3.9h |
| Haziran Hava Durumu | 30°C | 20°C | 136 mm | 5.3h |
| Temmuz Hava Durumu | 31°C | 21°C | 178 mm | 4.1h |
| Ağustos Hava Durumu | 30°C | 20°C | 159 mm | 4.3h |
| Eylül Hava Durumu | 28°C | 18°C | 127 mm | 5.0h |
| Ekim Hava Durumu | 21°C | 11°C | 101 mm | 4.8h |
| Kasım Hava Durumu | 13°C | 4°C | 97 mm | 3.9h |
| Aralık Hava Durumu | 8°C | 0°C | 93 mm | 3.0h |