Climate averages 1991–2020
St. Louis weather
in February.
A cold, moderately wet month: the 10th warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
February is a cold month in St. Louis: daytime highs average 7.2°C and nights cool to about -2.5°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 63 mm of rain on roughly 8 days, which makes February a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 10 h 44 min on an average February day.
The nearest other city in this atlas is O'Fallon (48 km away). In February its highs average 6.8°C, about as warm as St. Louis, with 61 mm of rain.
Among the 498 cities listed in the United States, St. Louis ranks 316th of 498 for the warmest February highs and joint 206th of 498 for the driest February (rainfall, lowest first). The mean February high of those 498 cities is 11.1°C; St. Louis is 4.0°C cooler than that mean.
From February to March, average highs rise by 5.8°C to 13.0°C, and monthly rainfall rises from 63 mm to 94 mm.
The annual picture
February in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
St. Louis climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.3°C-4.3°C | -4.3°C | 70 | 8.2 | 9.810 h |
| February, selected | 7.2°C-2.5°C | -2.5°C | 63 | 7.8 | 10.711 h |
| March | 13.0°C2.6°C | 2.6°C | 94 | 10.5 | 11.912 h |
| April | 19.1°C8.4°C | 8.4°C | 117 | 11.2 | 13.213 h |
| May | 24.3°C14.3°C | 14.3°C | 128 | 13.4 | 14.314 h |
| June | 29.1°C19.3°C | 19.3°C | 106 | 11.0 | 14.815 h |
| July | 31.0°C21.6°C | 21.6°C | 86 | 9.9 | 14.615 h |
| August | 30.4°C20.9°C | 20.9°C | 74 | 9.1 | 13.714 h |
| September | 26.4°C16.6°C | 16.6°C | 83 | 7.6 | 12.512 h |
| October | 19.9°C10.3°C | 10.3°C | 87 | 8.4 | 11.211 h |
| November | 12.3°C3.6°C | 3.6°C | 93 | 8.6 | 10.110 h |
| December | 6.3°C-1.7°C | -1.7°C | 65 | 8.2 | 9.510 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
February in nearby cities
- O'Fallon in FebruaryUnited States · 48 kmHigh 6.8°C · Low -2.6°C · 61 mm rain
- Springfield (Illinois), United States in FebruaryUnited States · 139 kmHigh 4.7°C · Low -4.6°C · 57 mm rain
- Decatur in FebruaryUnited States · 172 kmHigh 4.6°C · Low -4.7°C · 59 mm rain
- Columbia (Missouri), United States in FebruaryUnited States · 189 kmHigh 6.6°C · Low -2.9°C · 59 mm rain
- Bloomington (Illinois), United States in FebruaryUnited States · 231 kmHigh 3.4°C · Low -5.6°C · 54 mm rain
- Peoria (Illinois), United States in FebruaryUnited States · 236 kmHigh 3.4°C · Low -5.6°C · 53 mm rain
- Champaign in FebruaryUnited States · 236 kmHigh 4.1°C · Low -5.2°C · 59 mm rain
- Evansville in FebruaryUnited States · 242 kmHigh 7.8°C · Low -1.0°C · 85 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for St. Louis) is explained once on the St. Louis year overview and on the Sources, method and limits page.