St. Louis
January
Weather in St. Louis for January 2026
Your guide to St. Louis weather in January - trends and predictions
St. Louis typically experiences moderate snowfall in January, with an average of 9 snowy days.
In general, the average temperature in St. Louis at the beginning of January is 5.1 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 4.7 °F by the end of January.
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Snow Forecast ❄️
Temperatures
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12
Dry days
10
Rainy days
9
Snow days
4°/-3°
Temperatures
20 km/h
Avg max wind
73 %
Avg humidity
St. Louis Weather January
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  8° | 2  6° | 3  7° | ||||
| 4 6° | 5  4° | 6 3° | 7 2° | 8 2° | 9 6° | 10  4° |
| 11 6° | 12 8° | 13 3° | 14 1° | 15  0° | 16 2° | 17 4° |
| 18  5° | 19 1° | 20 -1° | 21 1° | 22 3° | 23 2° | 24 6° |
| 25 4° | 26 3° | 27 5° | 28 5° | 29 6° | 30 4° | 31 6° |
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Temperatures trend during January in St. Louis
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 | Moderate or heavy rain shower | 8° /0° | 7.2 mm | 0.8 cm | |
| Jan. 2 | Overcast | 6° /0° | 1.5 mm | 0 cm | |
| Jan. 3 | Cloudy | 7° /-1° | 3 mm | 0 cm | |
| Jan. 4 | Overcast | 6° /-1° | 0 mm | 0 cm | |
| Jan. 5 | Sunny | 4° /-2° | 13 mm | 9.3 cm | |
| Jan. 6 | Cloudy | 3° /-4° | 4 mm | 1.3 cm | |
| Jan. 7 | Overcast | 2° /-5° | 0.5 mm | 0 cm | |
| Jan. 8 | Overcast | 2° /-5° | 6.1 mm | 0 cm | |
| Jan. 9 | Overcast | 6° /-4° | 5.4 mm | 0.2 cm | |
| Jan. 10 | Partly cloudy | 4° /-2° | 1.6 mm | 0.9 cm | |
| Jan. 11 | Overcast | 6° /-1° | 0.3 mm | 0 cm | |
| Jan. 12 | Sunny | 8° /-2° | 8 mm | 0 cm | |
| Jan. 13 | Overcast | 3° /-5° | 0.2 mm | 0 cm | |
| Jan. 14 | Overcast | 1° /-5° | 1.6 mm | 0 cm | |
| Jan. 15 | Moderate snow | 0° /-7° | 2.7 mm | 0.7 cm | |
| Jan. 16 | Overcast | 2° /-4° | 0.7 mm | 0 cm | |
| Jan. 17 | Overcast | 4° /-2° | 4.7 mm | 0 cm | |
| Jan. 18 | Patchy rain possible | 5° /-3° | 7.6 mm | 0.1 cm | |
| Jan. 19 | Overcast | 1° /-7° | 0.1 mm | 0 cm | |
| Jan. 20 | Sunny | -1° /-8° | 0 mm | 0 cm | |
| Jan. 21 | Sunny | 1° /-7° | 0.3 mm | 0 cm | |
| Jan. 22 | Overcast | 3° /-5° | 2.4 mm | 0 cm | |
| Jan. 23 | Partly cloudy | 2° /-3° | 2.1 mm | 0 cm | |
| Jan. 24 | Patchy rain possible | 6° /-3° | 4.2 mm | 0 cm | |
| Jan. 25 | Partly cloudy | 4° /-2° | 11.6 mm | 0.8 cm | |
| Jan. 26 | Overcast | 3° /-3° | 0 mm | 0 cm | |
| Jan. 27 | Moderate snow | 5° /-4° | 1.3 mm | 0.6 cm | |
| Jan. 28 | Sunny | 5° /-3° | 0.3 mm | 0 cm | |
| Jan. 29 | Partly cloudy | 6° /-3° | 0.3 mm | 0 cm | |
| Jan. 30 | Moderate or heavy rain shower | 4° /-1° | 10.6 mm | 0 cm | |
| Jan. 31 | Patchy rain possible | 6° /-2° | 0.3 mm | 0 cm | |
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Important Notice
Our weather forecast for St. Louis in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the St. Louis forecast closer to your planned date for the most up-to-date weather information.
St. Louis in January - FAQ
What are the expected maximum and minimum temperatures in St. Louis during January?
Brace for cold days with temperatures not exceeding 4° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in St. Louis during January?
Significant rainfall exceeding 101.2 mm is expected in St. Louis during January, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
Will it snow in St. Louis in January 2026?
St. Louis experiences an average snowfall of 14.996 cm during January, occurring over 9 days.
What are the typical wind conditions in St. Louis during January?
The average wind speed in St. Louis during January is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
St. Louis snow forecast January 2026
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January rainfall patterns in St. Louis
Explore the daily rainfall trends and prepare for St. Louiss January weather 💧
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