Johnson County climate

Johnson County Weather in April

NOAA 1991-2020 normals for Clarksville 6 Ne, 6.6 km from Johnson County

Average highs run from 65°F on April 1 to 73°F on April 30, and lows from 45°F to 54°F. Normal precipitation for the month is 5.32 in over about 9 wet days.

April day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Johnson County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
70°F
Average low
49°F
Precipitation
5.32 in
Record high
94°FApr 17, 2006
Record low
24°FApr 8, 2007
Chance of a freeze
34%
Daylight
12 h 36 min to 13 h 37 min
Cloud cover
58%
Humidity
78%
Dew point
51°F
Wind
5.6 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.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Apr 165°F45°F88°F 201228°F 202231%0%
Apr 266°F45°F88°F 200630°F 201931%0%
Apr 366°F46°F89°F 200734°F 200231%0%
Apr 466°F46°F83°F 201630°F 201831%0%
Apr 567°F46°F83°F 201031°F 200231%0%
Apr 667°F46°F84°F 200132°F 200231%0%
Apr 767°F47°F85°F 200629°F 200731%0%
Apr 868°F47°F92°F 202024°F 200731%0%
Apr 968°F47°F92°F 199928°F 202231%0%
Apr 1068°F48°F87°F 201128°F 200331%0%
Apr 1169°F48°F83°F 202632°F 200331%0%
Apr 1269°F48°F84°F 200235°F 201331%0%
Apr 1369°F49°F88°F 202533°F 200831%0%
Apr 1469°F49°F87°F 200630°F 200831%0%
Apr 1570°F49°F86°F 200229°F 201431%0%
Apr 1670°F49°F91°F 200630°F 201831%0%
Apr 1770°F50°F94°F 200636°F 199931%0%
Apr 1870°F50°F92°F 200631°F 199931%0%
Apr 1971°F50°F90°F 201136°F 202132%0%
Apr 2071°F51°F86°F 199934°F 202132%0%
Apr 2171°F51°F84°F 200829°F 202132%0%
Apr 2271°F51°F86°F 201133°F 202132%0%
Apr 2372°F52°F88°F 200941°F 201232%0%
Apr 2472°F52°F86°F 200638°F 202333%0%
Apr 2572°F52°F85°F 201235°F 201333%0%
Apr 2672°F53°F87°F 201243°F 200833%0%
Apr 2772°F53°F87°F 202639°F 200533%0%
Apr 2873°F53°F86°F 200338°F 200833%0%
Apr 2973°F53°F86°F 200738°F 200833%0%
Apr 3073°F54°F87°F 200741°F 200534%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Johnson County, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

April 1
sunrise 7:00 AM, sunset 7:36 PM
April 30
sunrise 6:23 AM, sunset 8:00 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00031457 (Clarksville 6 Ne), public domain. Records: NOAA GHCN-Daily, station USW00053920, 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.