Alton Weather in February
Average highs run from 40°F on February 1 to 48°F on February 28, and lows from 22°F to 30°F. Normal precipitation for the month is 2.52 in over about 8 wet days.
February day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
February at a glance
- Average high
- 44°F
- Average low
- 25°F
- Precipitation
- 2.52 in
- Snowfall
- 4.3 in
- Record high
- 80°FFeb 27, 2024
- Record low
- -15°FFeb 4, 1996
- Chance of a freeze
- 100%
- Daylight
- 10 h 15 min to 11 h 19 min
- Cloud cover
- 69%
- Humidity
- 81%
- Dew point
- 27°F
- Wind
- 11.0 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Feb 1 | 40°F | 22°F | 71°F 1989 | -9°F 1985 | 23% | 15% |
| Feb 2 | 41°F | 22°F | 72°F 1989 | -8°F 1951 | 23% | 15% |
| Feb 3 | 41°F | 22°F | 69°F 2025 | -14°F 1996 | 23% | 15% |
| Feb 4 | 41°F | 22°F | 73°F 1962 | -15°F 1996 | 24% | 15% |
| Feb 5 | 41°F | 23°F | 73°F 2008 | -6°F 1979 | 24% | 15% |
| Feb 6 | 41°F | 23°F | 59°F 2023 | -9°F 1982 | 24% | 15% |
| Feb 7 | 42°F | 23°F | 68°F 1946 | -2°F 1978 | 24% | 15% |
| Feb 8 | 42°F | 23°F | 71°F 1946 | -2°F 1985 | 24% | 14% |
| Feb 9 | 42°F | 24°F | 69°F 2024 | -11°F 1979 | 25% | 14% |
| Feb 10 | 42°F | 24°F | 67°F 2009 | -11°F 1982 | 25% | 14% |
| Feb 11 | 43°F | 24°F | 72°F 1976 | -8°F 1981 | 25% | 14% |
| Feb 12 | 43°F | 24°F | 69°F 1999 | -8°F 1981 | 26% | 14% |
| Feb 13 | 43°F | 25°F | 75°F 1962 | -2°F 1988 | 26% | 14% |
| Feb 14 | 43°F | 25°F | 70°F 1954 | -3°F 2021 | 26% | 13% |
| Feb 15 | 44°F | 25°F | 74°F 1945 | -3°F 2021 | 26% | 13% |
| Feb 16 | 44°F | 25°F | 72°F 2018 | -4°F 1958 | 26% | 13% |
| Feb 17 | 44°F | 26°F | 71°F 1976 | -4°F 2021 | 27% | 13% |
| Feb 18 | 45°F | 26°F | 74°F 2011 | 2°F 1958 | 27% | 12% |
| Feb 19 | 45°F | 26°F | 70°F 1971 | 2°F 2015 | 27% | 12% |
| Feb 20 | 45°F | 27°F | 68°F 1991 | 1°F 2025 | 27% | 12% |
| Feb 21 | 45°F | 27°F | 73°F 2016 | 1°F 2025 | 27% | 12% |
| Feb 22 | 46°F | 27°F | 76°F 1946 | 4°F 1963 | 28% | 12% |
| Feb 23 | 46°F | 28°F | 76°F 1946 | 1°F 2015 | 28% | 11% |
| Feb 24 | 46°F | 28°F | 68°F 1996 | 1°F 2015 | 28% | 11% |
| Feb 25 | 47°F | 28°F | 76°F 2000 | 2°F 1967 | 28% | 11% |
| Feb 26 | 47°F | 29°F | 74°F 2000 | 4°F 2003 | 28% | 11% |
| Feb 27 | 47°F | 29°F | 80°F 2024 | 7°F 2014 | 29% | 11% |
| Feb 28 | 48°F | 29°F | 80°F 2024 | 0°F 2015 | 29% | 10% |
| Feb 29 | 48°F | 30°F | 75°F 2016 | 17°F 1996 | 29% | 10% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- February 1
- sunrise 7:07 AM, sunset 5:22 PM
- February 28
- sunrise 6:34 AM, sunset 5:53 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00110137 (Alton - Melvin Price L&d), public domain. Records: NOAA GHCN-Daily, station USC00110137, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.