Mount Vernon Weather in January
Average highs run from 55°F on January 1 to 57°F on January 31, and lows from 34°F to 35°F. Normal precipitation for the month is 3.41 in over about 8 wet days.
January day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 56°F
- Average low
- 34°F
- Precipitation
- 3.41 in
- Snowfall
- 0.5 in
- Record high
- 86°FJan 24, 1943
- Record low
- -5°FJan 12, 1962
- Chance of a freeze
- 100%
- Daylight
- 10 h 01 min to 10 h 35 min
- Cloud cover
- 59%
- Humidity
- 82%
- Dew point
- 38°F
- Wind
- 8.9 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 |
|---|---|---|---|---|---|---|
| Jan 1 | 55°F | 34°F | 79°F 1965 | 9°F 1928 | 28% | 1% |
| Jan 2 | 55°F | 34°F | 83°F 2006 | 9°F 1928 | 28% | 1% |
| Jan 3 | 55°F | 34°F | 78°F 2009 | 8°F 1947 | 28% | 1% |
| Jan 4 | 55°F | 34°F | 81°F 2006 | 9°F 1959 | 27% | 1% |
| Jan 5 | 55°F | 34°F | 77°F 1927 | 9°F 1959 | 27% | 1% |
| Jan 6 | 55°F | 34°F | 77°F 2008 | 13°F 1942 | 27% | 1% |
| Jan 7 | 55°F | 34°F | 81°F 2026 | 13°F 1968 | 27% | 1% |
| Jan 8 | 55°F | 34°F | 79°F 1965 | 5°F 1996 | 27% | 1% |
| Jan 9 | 55°F | 34°F | 80°F 2026 | 5°F 1996 | 27% | 1% |
| Jan 10 | 55°F | 34°F | 82°F 1957 | 3°F 1962 | 27% | 1% |
| Jan 11 | 55°F | 34°F | 80°F 2017 | 3°F 1962 | 27% | 1% |
| Jan 12 | 55°F | 34°F | 85°F 2023 | -5°F 1962 | 27% | 1% |
| Jan 13 | 55°F | 34°F | 80°F 2017 | -4°F 1962 | 27% | 1% |
| Jan 14 | 55°F | 34°F | 77°F 1932 | 3°F 1964 | 27% | 1% |
| Jan 15 | 55°F | 34°F | 78°F 1928 | 3°F 1964 | 27% | 1% |
| Jan 16 | 55°F | 34°F | 80°F 1943 | 11°F 1963 | 27% | 1% |
| Jan 17 | 55°F | 34°F | 81°F 1952 | 11°F 2018 | 27% | 1% |
| Jan 18 | 56°F | 34°F | 85°F 1952 | 11°F 2018 | 27% | 1% |
| Jan 19 | 56°F | 34°F | 79°F 1951 | 1°F 1940 | 27% | 1% |
| Jan 20 | 56°F | 34°F | 78°F 1906 | 7°F 1943 | 27% | 1% |
| Jan 21 | 56°F | 34°F | 81°F 1986 | 8°F 1985 | 27% | 1% |
| Jan 22 | 56°F | 34°F | 82°F 1943 | 3°F 1930 | 27% | 1% |
| Jan 23 | 56°F | 34°F | 83°F 1943 | 4°F 1930 | 27% | 1% |
| Jan 24 | 56°F | 35°F | 86°F 1943 | 5°F 1963 | 27% | 1% |
| Jan 25 | 56°F | 35°F | 81°F 1952 | 5°F 1963 | 27% | 1% |
| Jan 26 | 57°F | 35°F | 76°F 1942 | 9°F 1940 | 27% | 1% |
| Jan 27 | 57°F | 35°F | 80°F 1923 | 10°F 1940 | 27% | 1% |
| Jan 28 | 57°F | 35°F | 83°F 1975 | 11°F 1963 | 27% | 1% |
| Jan 29 | 57°F | 35°F | 82°F 2015 | 10°F 1951 | 27% | 1% |
| Jan 30 | 57°F | 35°F | 79°F 2016 | 8°F 1966 | 27% | 1% |
| Jan 31 | 57°F | 35°F | 81°F 2002 | 6°F 1977 | 27% | 1% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- January 1
- sunrise 7:24 AM, sunset 5:25 PM
- January 31
- sunrise 7:17 AM, sunset 5:52 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00416119 (Mt Vernon), public domain. Records: NOAA GHCN-Daily, station USC00416108, 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.