Mount Vernon Weather in April
Average highs run from 63°F on April 1 to 72°F on April 30, and lows from 40°F to 49°F. Normal precipitation for the month is 4.55 in over about 11 wet days.
April day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
April at a glance
- Average high
- 68°F
- Average low
- 44°F
- Precipitation
- 4.55 in
- Snowfall
- 0.2 in
- Record high
- 90°FApr 19, 1987
- Record low
- 19°FApr 3, 1975
- Chance of a freeze
- 82%
- Daylight
- 12 h 37 min to 13 h 42 min
- Cloud cover
- 61%
- Humidity
- 78%
- Dew point
- 48°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 |
|---|---|---|---|---|---|---|
| Apr 1 | 63°F | 40°F | 84°F 1978 | 25°F 2019 | 33% | 1% |
| Apr 2 | 64°F | 40°F | 85°F 2012 | 21°F 1992 | 33% | 1% |
| Apr 3 | 64°F | 41°F | 85°F 2012 | 19°F 1975 | 33% | 1% |
| Apr 4 | 64°F | 41°F | 84°F 2023 | 25°F 2002 | 33% | 1% |
| Apr 5 | 65°F | 41°F | 82°F 1988 | 25°F 1974 | 34% | 1% |
| Apr 6 | 65°F | 41°F | 81°F 2000 | 22°F 1996 | 34% | 1% |
| Apr 7 | 65°F | 42°F | 82°F 1978 | 20°F 2007 | 34% | 1% |
| Apr 8 | 66°F | 42°F | 81°F 1978 | 20°F 2007 | 34% | 1% |
| Apr 9 | 66°F | 42°F | 87°F 2020 | 25°F 2007 | 34% | 1% |
| Apr 10 | 66°F | 43°F | 85°F 2001 | 26°F 1973 | 35% | 0% |
| Apr 11 | 66°F | 43°F | 84°F 2019 | 28°F 1973 | 35% | 0% |
| Apr 12 | 67°F | 43°F | 85°F 1981 | 26°F 1990 | 35% | 0% |
| Apr 13 | 67°F | 44°F | 85°F 1981 | 27°F 1997 | 35% | 0% |
| Apr 14 | 67°F | 44°F | 86°F 2006 | 26°F 2008 | 36% | 0% |
| Apr 15 | 68°F | 44°F | 86°F 2006 | 24°F 2014 | 36% | 0% |
| Apr 16 | 68°F | 45°F | 85°F 1982 | 29°F 2007 | 36% | 0% |
| Apr 17 | 68°F | 45°F | 86°F 2006 | 30°F 2018 | 36% | 0% |
| Apr 18 | 69°F | 45°F | 89°F 2006 | 30°F 2020 | 37% | 0% |
| Apr 19 | 69°F | 46°F | 90°F 1987 | 30°F 1983 | 37% | 0% |
| Apr 20 | 69°F | 46°F | 87°F 1987 | 33°F 1983 | 37% | 0% |
| Apr 21 | 69°F | 46°F | 85°F 1988 | 27°F 2021 | 37% | 0% |
| Apr 22 | 70°F | 46°F | 83°F 1980 | 26°F 1986 | 38% | 0% |
| Apr 23 | 70°F | 47°F | 85°F 2006 | 31°F 2023 | 38% | 0% |
| Apr 24 | 70°F | 47°F | 84°F 2009 | 32°F 2005 | 38% | 0% |
| Apr 25 | 71°F | 47°F | 82°F 1979 | 35°F 1976 | 38% | 0% |
| Apr 26 | 71°F | 48°F | 84°F 1975 | 31°F 1976 | 38% | 0% |
| Apr 27 | 71°F | 48°F | 83°F 1975 | 33°F 1988 | 39% | 0% |
| Apr 28 | 71°F | 48°F | 83°F 2001 | 32°F 1979 | 39% | 0% |
| Apr 29 | 72°F | 49°F | 85°F 1987 | 33°F 2008 | 39% | 0% |
| Apr 30 | 72°F | 49°F | 86°F 1987 | 34°F 1984 | 39% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- April 1
- sunrise 7:01 AM, sunset 7:38 PM
- April 30
- sunrise 6:22 AM, sunset 8:04 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00235862 (Mt Vernon Univ Mo - Sw Ctr), public domain. Records: NOAA GHCN-Daily, station USC00235704, 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.