St. Louis weather in January
Temperature, rain and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Poor
Best time to visit: April – May, September – October
What is the weather like in St. Louis in January?
In January, St. Louis is cold: daytime highs average 4 °C, and nights often drop below freezing (−4 °C). Expect around 4 hours of sunshine a day. Rain falls on about 8 days, adding up to 73 mm. Snow falls on about 2 days. All in all, January is not an ideal month for a holiday in St. Louis.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 23 | 26 | 28 |
| Day | 7° | 4° | 7° |
| Night | −1° | −4° | −3° |
| Sun | 4 h | 4 h | 5 h |
| Rain days | 9 | 8 | 8 |
More details for January
- Daylight
- 9 h 45 min07:17 – 17:02
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 62 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 2 days1 cm or more of fresh snowAll months
- Time zone
- UTC−6America/Chicago
How the score comes together
- Temperatureweight 50 %0 %
- Sunshineweight 20 %23 %
- Few rainy daysweight 30 %70 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in January
- Warm jacket
- Hat, scarf & gloves
- Rain jacket or umbrella
St. Louis in January: quick answers
Is St. Louis hot in January?
No. In January, St. Louis is cold: daytime highs average 4 °C and nights drop to about −4 °C.
Does it rain much in St. Louis in January?
Rain falls on about 8 days, adding up to 73 mm.
St. Louis month by month
The whole year in St. LouisAll destinations: USAWhere to go in January
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences