St Louis, Missouri weather in February

Averages from 2021–2025 (141 days of record).

Average high

46°F

Average low

26°F

Rainy days

~7 per month

Total precipitation

2.1 in

Warmest recorded

81°F

Coldest recorded

-4°F

Expect February days in St Louis, Missouri to top out around 46°F and cool to about 26°F overnight, with roughly 7 days of measurable rain across the month. In recent years February has ranged from -4°F to 81°F.