St. Louis Snowfall Guide & Climate Records
St. Louis averages 16.6 inches of snow per winter season. Because storms often mix with sleet or freeze-thaw cycles, understanding the moisture density of STL snow is vital when choosing equipment.
St. Louis Average Monthly Snowfall
| Month | Avg Snow (Inches) | Wet Snow Density Risk |
|---|---|---|
| November | 0.9" | Low |
| December | 3.7" | High (Frequent Freezing Drizzle) |
| January | 5.1" | Very High (Peak Winter Storms) |
| February | 4.4" | High (Heavy Sleet & Snow) |
| March | 2.5" | Extreme Water Weight |
Need a snow blower for St. Louis?
Read our full guide to machine selection and verified local STL dealers.
Frequently Asked Questions
St. Louis officially averages 16.6 inches of snowfall per year, measured at St. Louis Lambert International Airport (STL). The snowiest month is January (average 5.1 inches), followed by February (4.4 inches) and December (3.7 inches).
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