St. Charles weather in February: St. Charles, Missouri: normal highs, lows, rain and records for February
St. Charles in February has a normal high of 45°F and a normal low of 26°F, a daily mean of 35°F, rising from 41°F on the 1st to 50°F by the 29th. Measurable precipitation falls on 7 days in a normal February, 1.89 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 7°C and low of −4°C, 48 mm of precipitation in February.
- NOAA stationSt Charles County Airport
- Station IDUSW00053904
- Location38.93°N 90.43°W
- Elevation436 ft (133 m)
- Population72,458
- Jan 40° 22°
- Feb 45° 26°
- Mar 56° 34°
- Apr 68° 45°
- May 77° 56°
- Jun 86° 65°
- Jul 89° 68°
- Aug 88° 66°
- Sep 81° 57°
- Oct 69° 46°
- Nov 55° 35°
- Dec 44° 27°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is St. Charles in February?
The normal high is 45°F and the normal low 26°F, for a daily mean of 35.4°F. February is 4.6°F warmer than January and 10.0°F cooler than March. February is the 11th warmest month of the year in St. Charles and the 12th wettest. Across the month the normal high rises 9°F, from 41°F on February 1 to 50°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 30°F and 41°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 29%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| February 1 | 41°F | 22°F | 23% | 13% |
| February 8 | 43°F | 24°F | 24% | 13% |
| February 15 | 45°F | 26°F | 25% | 14% |
| February 22 | 48°F | 28°F | 27% | 14% |
| February 28 | 50°F | 30°F | 28% | 15% |
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 | 41°F | 22°F | 23% | 13% | 10 h 10 min |
| February 2 | 41°F | 22°F | 23% | 13% | 10 h 10 min |
| February 3 | 42°F | 23°F | 24% | 13% | 10 h 20 min |
| February 4 | 42°F | 23°F | 24% | 13% | 10 h 20 min |
| February 5 | 42°F | 23°F | 24% | 13% | 10 h 20 min |
| February 6 | 42°F | 23°F | 24% | 13% | 10 h 20 min |
| February 7 | 43°F | 24°F | 24% | 13% | 10 h 30 min |
| February 8 | 43°F | 24°F | 24% | 13% | 10 h 30 min |
| February 9 | 43°F | 24°F | 24% | 13% | 10 h 30 min |
| February 10 | 44°F | 24°F | 24% | 13% | 10 h 30 min |
| February 11 | 44°F | 25°F | 24% | 13% | 10 h 30 min |
| February 12 | 44°F | 25°F | 25% | 13% | 10 h 40 min |
| February 13 | 44°F | 25°F | 25% | 13% | 10 h 40 min |
| February 14 | 45°F | 25°F | 25% | 14% | 10 h 40 min |
| February 15 | 45°F | 26°F | 25% | 14% | 10 h 40 min |
| February 16 | 45°F | 26°F | 25% | 14% | 10 h 50 min |
| February 17 | 46°F | 26°F | 26% | 14% | 10 h 50 min |
| February 18 | 46°F | 27°F | 26% | 14% | 10 h 50 min |
| February 19 | 47°F | 27°F | 26% | 14% | 10 h 50 min |
| February 20 | 47°F | 27°F | 26% | 14% | 11 h |
| February 21 | 47°F | 27°F | 27% | 14% | 11 h |
| February 22 | 48°F | 28°F | 27% | 14% | 11 h |
| February 23 | 48°F | 28°F | 27% | 14% | 11 h |
| February 24 | 48°F | 28°F | 27% | 15% | 11 h |
| February 25 | 49°F | 29°F | 27% | 15% | 11 h 10 min |
| February 26 | 49°F | 29°F | 28% | 15% | 11 h 10 min |
| February 27 | 50°F | 29°F | 28% | 15% | 11 h 10 min |
| February 28 | 50°F | 30°F | 28% | 15% | 11 h 10 min |
| February 29 | 50°F | 30°F | 29% | 15% | 11 h 20 min |
- Normal high
- 45°FFebruary average
- Normal low
- 26°FFebruary average
- Precipitation
- 1.89 inmonth total
- Days with precipitation
- 70.01 inch or more
- Nights at 32°F or colder
- 22
- Daylight
- 10 h 10 min to 11 h 10 minFebruary 1 to February 28
- Days at 70°F or more
- 1
- Sunshine
- 66%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00053904; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in St. Charles in February?
On a given February day the chance of 0.01 inch or more is 25% on average, highest around February 29 (29%). In all, 1.89 in falls on 7 days of a normal February, 1 of them with an inch or more.
In a normal February in St. Charles, 22 nights fall to freezing and 5 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00053904.
What are the records for February in St. Charles?
The February mean against the 1991-2020 normal of 35.4°F: 2022 32.5°F (−2.9), 2024 43.0°F (+7.6), 2025 32.0°F (−3.4), 2026 38.4°F (+3.0). 2 of 4 ran warmer than normal.
| February | Mean | Against normal | Precip. |
|---|---|---|---|
| 2022 | 32.5°F | −2.9°F | – |
| 2024 | 43.0°F | +7.6°F | 0.12 in |
| 2025 | 32.0°F | −3.4°F | 0.39 in |
| 2026 | 38.4°F | +3.0°F | 0.98 in |
Source: recent months: ACIS, station USW00053904. Records and recent months use complete months only.
How does February in St. Charles 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. Charles's is 45°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- St. Charles in January40°F by day, 22°F at night
- St. Charles in March56°F by day, 34°F at night
- St. Charles through the yearEvery month, frost dates, records and recent years
- Missouri in FebruaryThe statewide normal and the warmest and coolest places
- Anderson: Missouri's warmest Februarynormal high 51°F