April weather in Knoxville, TN
The average temperature in Knoxville in April is 57.3°F (43.8°F–70.8°F). Average precipitation: 5.25 inches.
April is a spring month in Knoxville, and is cooler than the annual average of 57.9°F. Daily temperatures swing about 27°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 12h 55m. For travel, April is a wet month.
Avg High
70.8°F
Avg Low
43.8°F
Precipitation
5.25 in
Daylight
12h 55m
April records in Knoxville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 82.9°F (1986) | 23.0°F (1987) | 1.10 in (1993) |
| April 2 | 84.0°F (2010) | 25.0°F (1992) | 1.41 in (2005) |
| April 3 | 84.9°F (2010) | 21.9°F (1992) | 1.84 in (1977) |
| April 4 | 86.0°F (2025) | 27.0°F (1975) | 2.55 in (1974) |
| April 5 | 84.9°F (2023) | 26.1°F (1975) | 2.51 in (1983) |
| April 6 | 89.1°F (2023) | 21.9°F (1982) | 1.73 in (2012) |
| April 7 | 84.9°F (2010) | 26.1°F (1982) | 1.33 in (2014) |
| April 8 | 82.9°F (2001) | 21.0°F (2007) | 1.45 in (2006) |
| April 9 | 82.9°F (2001) | 21.9°F (2007) | 1.90 in (1998) |
| April 10 | 84.0°F (1995) | 24.1°F (1966) | 0.79 in (1993) |
| April 11 | 89.1°F (1995) | 26.1°F (1996) | 2.99 in (1994) |
| April 12 | 84.9°F (2001) | 26.1°F (1989) | 1.40 in (2013) |
| April 13 | 81.0°F (2015) | 27.0°F (1975) | 3.80 in (2020) |
| April 14 | 84.0°F (2017) | 30.0°F (1997) | 0.65 in (2000) |
| April 15 | 84.9°F (2006) | 28.0°F (1983) | 1.66 in (2007) |
| April 16 | 86.0°F (2017) | 28.0°F (2014) | 2.77 in (2011) |
| April 17 | 87.1°F (2002) | 30.9°F (1988) | 2.49 in (1998) |
| April 18 | 84.0°F (2002) | 24.1°F (1983) | 1.26 in (2003) |
| April 19 | 88.0°F (2002) | 23.0°F (1983) | 3.20 in (1998) |
| April 20 | 88.0°F (2002) | 26.1°F (1983) | 1.68 in (2020) |
| April 21 | 87.1°F (2002) | 32.0°F (1988) | 1.16 in (1996) |
| April 22 | 86.0°F (1985) | 28.0°F (1982) | 2.71 in (2006) |
| April 23 | 89.1°F (1980) | 26.1°F (1986) | 1.20 in (1983) |
| April 24 | 86.0°F (1987) | 28.9°F (1986) | 2.30 in (2017) |
| April 25 | 86.0°F (2009) | 32.0°F (1974) | 1.27 in (2010) |
| April 26 | 86.0°F (2009) | 32.0°F (1974) | 1.39 in (1973) |
| April 27 | 89.1°F (1986) | 35.1°F (1996) | 1.72 in (1973) |
| April 28 | 90.0°F (1986) | 36.0°F (1988) | 3.84 in (2011) |
| April 29 | 84.9°F (1975) | 34.0°F (1988) | 1.97 in (1966) |
| April 30 | 90.0°F (2017) | 35.1°F (1988) | 0.89 in (2005) |