Knoxville climate

Knoxville Weather in April

NOAA 1991-2020 normals for Addison, 23.3 km from Knoxville

Average highs run from 50°F on April 1 to 64°F on April 30, and lows from 26°F to 36°F. Normal precipitation for the month is 3.34 in over about 14 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 Knoxville, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
58°F
Average low
31°F
Precipitation
3.34 in
Snowfall
1.0 in
Record high
89°FApr 20, 1941
Record low
5°FApr 8, 1982
Chance of a freeze
100%
Daylight
12 h 43 min to 14 h 01 min
Cloud cover
70%
Humidity
80%
Dew point
36°F
Wind
6.0 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.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Apr 150°F26°F78°F 194311°F 196447%10%
Apr 251°F26°F76°F 198613°F 196447%9%
Apr 351°F27°F81°F 201012°F 195448%9%
Apr 452°F27°F78°F 19639°F 194448%8%
Apr 552°F27°F79°F 19287°F 194448%8%
Apr 653°F28°F83°F 19296°F 194448%8%
Apr 753°F28°F84°F 19297°F 198248%7%
Apr 854°F29°F81°F 19915°F 198248%7%
Apr 954°F29°F78°F 199111°F 193948%6%
Apr 1055°F29°F78°F 194512°F 198548%6%
Apr 1155°F30°F82°F 194513°F 201648%5%
Apr 1256°F30°F79°F 194513°F 192648%5%
Apr 1356°F30°F84°F 194518°F 194048%4%
Apr 1457°F31°F87°F 202317°F 197348%4%
Apr 1557°F31°F85°F 202315°F 192648%4%
Apr 1658°F31°F81°F 200315°F 194348%3%
Apr 1758°F32°F85°F 200213°F 193549%3%
Apr 1859°F32°F87°F 200218°F 194349%3%
Apr 1959°F32°F87°F 197614°F 192649%3%
Apr 2060°F33°F89°F 194119°F 192649%2%
Apr 2160°F33°F81°F 194818°F 198149%2%
Apr 2261°F33°F83°F 194619°F 202649%2%
Apr 2361°F34°F83°F 194619°F 193650%2%
Apr 2462°F34°F84°F 196019°F 193050%2%
Apr 2562°F34°F85°F 196019°F 193650%1%
Apr 2663°F35°F85°F 196021°F 193450%1%
Apr 2763°F35°F88°F 193819°F 192650%1%
Apr 2863°F35°F88°F 200918°F 193450%1%
Apr 2964°F36°F84°F 199023°F 194450%1%
Apr 3064°F36°F83°F 202526°F 193150%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Knoxville, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

April 1
sunrise 6:52 AM, sunset 7:35 PM
April 30
sunrise 6:07 AM, sunset 8:08 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00300023 (Addison), public domain. Records: NOAA GHCN-Daily, station USC00369408, 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.