Weather · Saint Louis, United States
Saint Louis Weather in January
January in Saint Louis averages -1°C by day and -8°C at night, with about 35mm of rain. That makes it a reasonable time to visit.
Avg high
-1°C
30°F
Avg low
-8°C
18°F
Rainfall
35mm
#11 wettest of 12
What to pack
Warm layers and a proper coat. Rain is unlikely to interrupt your plans.
Timing a trip around the weather? A Local Friend in Saint Louis builds it around the season for you.