Williamson County Weather in April
Average highs run from 76°F on April 1 to 81°F on April 30, and lows from 51°F to 58°F. Normal precipitation for the month is 3.02 in over about 7 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
- 79°F
- Average low
- 54°F
- Precipitation
- 3.02 in
- Record high
- 99°FApr 20, 1996
- Record low
- 31°FApr 8, 2007
- Chance of a freeze
- 7%
- Days of 90°F or more
- 1.9
- Daylight
- 12 h 31 min to 13 h 21 min
- Cloud cover
- 57%
- Humidity
- 70%
- Dew point
- 56°F
- Wind
- 11.0 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Apr 1 | 76°F | 51°F | 92°F 2023 | 39°F 1992 | 25% |
| Apr 2 | 76°F | 51°F | 94°F 2011 | 34°F 1992 | 25% |
| Apr 3 | 76°F | 51°F | 93°F 1982 | 33°F 1987 | 25% |
| Apr 4 | 76°F | 51°F | 91°F 1989 | 34°F 1987 | 24% |
| Apr 5 | 77°F | 52°F | 89°F 2019 | 36°F 1984 | 24% |
| Apr 6 | 77°F | 52°F | 95°F 2022 | 37°F 1994 | 24% |
| Apr 7 | 77°F | 52°F | 88°F 2003 | 34°F 1996 | 24% |
| Apr 8 | 77°F | 52°F | 89°F 2000 | 31°F 2007 | 24% |
| Apr 9 | 77°F | 53°F | 92°F 1986 | 31°F 2007 | 24% |
| Apr 10 | 78°F | 53°F | 93°F 1996 | 40°F 2003 | 23% |
| Apr 11 | 78°F | 53°F | 93°F 1996 | 36°F 1989 | 23% |
| Apr 12 | 78°F | 53°F | 90°F 1987 | 36°F 1997 | 23% |
| Apr 13 | 78°F | 53°F | 89°F 1996 | 34°F 1997 | 23% |
| Apr 14 | 78°F | 54°F | 97°F 1982 | 38°F 2016 | 23% |
| Apr 15 | 79°F | 54°F | 93°F 2023 | 36°F 2014 | 23% |
| Apr 16 | 79°F | 54°F | 90°F 1985 | 37°F 1983 | 23% |
| Apr 17 | 79°F | 54°F | 93°F 2006 | 39°F 1999 | 23% |
| Apr 18 | 79°F | 55°F | 97°F 2006 | 43°F 1999 | 23% |
| Apr 19 | 79°F | 55°F | 98°F 1996 | 40°F 1988 | 23% |
| Apr 20 | 79°F | 55°F | 99°F 1996 | 38°F 1992 | 23% |
| Apr 21 | 80°F | 56°F | 93°F 1984 | 40°F 1992 | 23% |
| Apr 22 | 80°F | 56°F | 92°F 1996 | 41°F 2021 | 23% |
| Apr 23 | 80°F | 56°F | 93°F 2009 | 45°F 1984 | 23% |
| Apr 24 | 80°F | 56°F | 95°F 2000 | 42°F 2013 | 23% |
| Apr 25 | 80°F | 57°F | 93°F 2003 | 41°F 2013 | 23% |
| Apr 26 | 81°F | 57°F | 98°F 1996 | 45°F 2018 | 23% |
| Apr 27 | 81°F | 57°F | 95°F 1988 | 41°F 2013 | 23% |
| Apr 28 | 81°F | 58°F | 93°F 2014 | 44°F 2008 | 23% |
| Apr 29 | 81°F | 58°F | 94°F 2002 | 46°F 1998 | 23% |
| Apr 30 | 81°F | 58°F | 96°F 2002 | 42°F 1996 | 23% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (CDT).
- April 1
- sunrise 7:19 AM, sunset 7:50 PM
- April 30
- sunrise 6:47 AM, sunset 8:08 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00413507 (Georgetown Lake), public domain. Records: NOAA GHCN-Daily, station USC00413507, 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.