St. Louis weather in February: St. Louis, Missouri: normal highs, lows, rain and records for February
St. Louis in February has a normal high of 46°F and a normal low of 28°F, a daily mean of 37°F, rising from 42°F on the 1st to 51°F by the 29th. Measurable precipitation falls on 9 days in a normal February, 2.23 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 8°C and low of −2°C, 57 mm of precipitation and 11 cm of snow in February.
- NOAA stationSt Louis Lambert International Airport
- Station IDUSW00013994
- Location38.75°N 90.37°W
- Elevation531 ft (162 m)
- From the center11 miles
- Population279,695
- Jan 40° 24°
- Feb 46° 28°
- Mar 57° 37°
- Apr 68° 47°
- May 77° 58°
- Jun 86° 67°
- Jul 90° 71°
- Aug 88° 69°
- Sep 81° 61°
- Oct 69° 49°
- Nov 56° 37°
- Dec 45° 29°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is St. Louis in February?
The normal high is 46°F and the normal low 28°F, for a daily mean of 36.7°F. February is 4.6°F warmer than January and 9.9°F cooler than March. February is the 10th warmest month of the year in St. Louis and the 12th wettest. Across the month the normal high rises 9°F, from 42°F on February 1 to 51°F on February 29. From one year to the next February's mean temperature typically moves about 5.1°F either way (NOAA's standard deviation), so roughly two Februarys in three average between 32°F and 42°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 32%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| February 1 | 42°F | 24°F | 30% | 15% |
| February 8 | 44°F | 26°F | 30% | 16% |
| February 15 | 46°F | 28°F | 30% | 17% |
| February 22 | 48°F | 30°F | 31% | 18% |
| February 28 | 50°F | 32°F | 32% | 19% |
Every day of February: normal high, low and chance of precipitation (warmest afternoon February 29, coldest night February 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| February 1 | 42°F | 24°F | 30% | 15% | 10 h 10 min |
| February 2 | 42°F | 24°F | 30% | 16% | 10 h 20 min |
| February 3 | 42°F | 25°F | 30% | 16% | 10 h 20 min |
| February 4 | 43°F | 25°F | 30% | 16% | 10 h 20 min |
| February 5 | 43°F | 25°F | 30% | 16% | 10 h 20 min |
| February 6 | 43°F | 25°F | 30% | 16% | 10 h 20 min |
| February 7 | 43°F | 25°F | 30% | 16% | 10 h 30 min |
| February 8 | 44°F | 26°F | 30% | 16% | 10 h 30 min |
| February 9 | 44°F | 26°F | 30% | 16% | 10 h 30 min |
| February 10 | 44°F | 26°F | 30% | 16% | 10 h 30 min |
| February 11 | 45°F | 26°F | 30% | 16% | 10 h 30 min |
| February 12 | 45°F | 27°F | 30% | 17% | 10 h 40 min |
| February 13 | 45°F | 27°F | 30% | 17% | 10 h 40 min |
| February 14 | 46°F | 27°F | 30% | 17% | 10 h 40 min |
| February 15 | 46°F | 28°F | 30% | 17% | 10 h 40 min |
| February 16 | 46°F | 28°F | 30% | 17% | 10 h 50 min |
| February 17 | 46°F | 28°F | 31% | 17% | 10 h 50 min |
| February 18 | 47°F | 29°F | 31% | 18% | 10 h 50 min |
| February 19 | 47°F | 29°F | 31% | 18% | 10 h 50 min |
| February 20 | 48°F | 29°F | 31% | 18% | 11 h |
| February 21 | 48°F | 29°F | 31% | 18% | 11 h |
| February 22 | 48°F | 30°F | 31% | 18% | 11 h |
| February 23 | 49°F | 30°F | 31% | 18% | 11 h |
| February 24 | 49°F | 30°F | 31% | 18% | 11 h 10 min |
| February 25 | 49°F | 31°F | 31% | 19% | 11 h 10 min |
| February 26 | 50°F | 31°F | 32% | 19% | 11 h 10 min |
| February 27 | 50°F | 31°F | 32% | 19% | 11 h 10 min |
| February 28 | 50°F | 32°F | 32% | 19% | 11 h 20 min |
| February 29 | 51°F | 32°F | 32% | 19% | 11 h 20 min |
- Normal high
- 46°FFebruary average
- Normal low
- 28°FFebruary average
- Precipitation
- 2.23 inmonth total
- Days with precipitation
- 90.01 inch or more
- Snowfall
- 4.3 inmonth total
- Nights at 32°F or colder
- 19
- Daylight
- 10 h 10 min to 11 h 20 minFebruary 1 to February 28
- Days at 70°F or more
- 2
- Sunshine
- 66%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013994; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in St. Louis in February?
On a given February day the chance of 0.01 inch or more is 30% on average, highest around February 29 (32%). In all, 2.23 in falls on 9 days of a normal February.
In a normal February in St. Louis, 19 nights fall to freezing, 5 days stay below freezing all day and snowfall averages 4.3 inches.
Snow falls on 4 days in a normal February, and an inch or more covers the ground on 4 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013994.
How humid and windy is St. Louis in February?
At 3 p.m. the normal temperature is 47°F with 49% relative humidity and a dew point of 28°F; at 6 a.m. it is 35°F with 74% humidity. The wind averages 10.4 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 35°F | 27°F | 74% | 8.9 mph | 30% |
| 9 a.m. | 38°F | 28°F | 67% | 11.0 mph | 30% |
| noon | 44°F | 28°F | 54% | 12.0 mph | 26% |
| 3 p.m. | 47°F | 28°F | 49% | 12.6 mph | 26% |
| 6 p.m. | 44°F | 28°F | 53% | 10.9 mph | 25% |
| 9 p.m. | 41°F | 29°F | 62% | 9.8 mph | 41% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013994. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for February in St. Louis?
The warmest February temperature on St. Louis's official record (since 1874) is 86°F, on February 27, 2024; the coldest is −18°F, on February 13, 1905. The wettest February brought 8.94 in (1882); the snowiest, 23.5 inches (1914).
The February mean against the 1991-2020 normal of 36.7°F: 2021 26.4°F (−10.3), 2022 34.5°F (−2.2), 2023 43.1°F (+6.4), 2024 46.8°F (+10.1), 2025 34.8°F (−1.9), 2026 40.8°F (+4.1). 3 of 6 ran warmer than normal.
| February | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 26.4°F | −10.3°F | 1.64 in |
| 2022 | 34.5°F | −2.2°F | 3.56 in |
| 2023 | 43.1°F | +6.4°F | 2.15 in |
| 2024 | 46.8°F | +10.1°F | 0.40 in |
| 2025 | 34.8°F | −1.9°F | 1.15 in |
| 2026 | 40.8°F | +4.1°F | 1.39 in |
Source: records: ACIS, NWS threaded record STLthr; recent months: ACIS, station USW00013994. Records and recent months use complete months only.
How does February in St. Louis compare across Missouri?
Across the 134 places PlainClimate covers in Missouri, February normal highs run from 37°F in Green City to 51°F in Anderson; St. Louis's is 46°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.