May weather in Knox, IN
The average temperature in Knox in May is 60.0°F (49.1°F–70.9°F). Average precipitation: 4.45 inches.
May is a spring month in Knox, and is warmer than the annual average of 49.5°F. Daily temperatures swing about 21.8°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 19m. For travel, May is a comfortable month to visit.
Avg High
70.9°F
Avg Low
49.1°F
Precipitation
4.45 in
Daylight
14h 19m
May records in Knox
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 82.9°F (2013) | 28.0°F (1907) | 1.83 in (2003) |
| May 2 | 88.0°F (2007) | 30.9°F (1908) | 0.81 in (2006) |
| May 3 | 88.0°F (2018) | 28.9°F (1917) | 1.63 in (2018) |
| May 4 | 86.0°F (2012) | 25.0°F (1909) | 0.82 in (1914) |
| May 5 | 86.0°F (1897) | 28.9°F (1911) | 1.32 in (2003) |
| May 6 | 88.0°F (1897) | 33.1°F (2011) | 0.94 in (2022) |
| May 7 | 84.0°F (1897) | 30.0°F (1917) | 1.56 in (1908) |
| May 8 | 87.1°F (2014) | 30.0°F (2017) | 1.09 in (1998) |
| May 9 | 91.0°F (2014) | 26.1°F (2020) | 1.74 in (2021) |
| May 10 | 84.9°F (1911) | 24.1°F (1917) | 1.30 in (2004) |
| May 11 | 87.1°F (2011) | 28.0°F (1907) | 1.72 in (2016) |
| May 12 | 90.0°F (2011) | 28.9°F (1917) | 2.02 in (2002) |
| May 13 | 88.0°F (2011) | 30.9°F (1917) | 1.46 in (2023) |
| May 14 | 88.0°F (2022) | 30.0°F (1910) | 1.86 in (1916) |
| May 15 | 89.1°F (2013) | 32.0°F (1917) | 1.61 in (2020) |
| May 16 | 89.1°F (1906) | 34.0°F (1914) | 2.10 in (1915) |
| May 17 | 91.0°F (1911) | 35.1°F (2009) | 0.80 in (1898) |
| May 18 | 90.0°F (1911) | 33.1°F (2009) | 0.67 in (1908) |
| May 19 | 91.0°F (1917) | 34.0°F (1915) | 4.37 in (1997) |
| May 20 | 89.1°F (2012) | 36.0°F (1906) | 1.00 in (1910) |
| May 21 | 91.0°F (2012) | 30.0°F (1907) | 1.52 in (1913) |
| May 22 | 89.1°F (2013) | 37.0°F (1917) | 2.55 in (2010) |
| May 23 | 87.1°F (1912) | 32.0°F (1917) | 0.87 in (1910) |
| May 24 | 87.1°F (2010) | 36.0°F (1898) | 2.23 in (1995) |
| May 25 | 90.0°F (1914) | 30.0°F (1898) | 1.35 in (1997) |
| May 26 | 91.0°F (1914) | 34.0°F (1897) | 1.83 in (2011) |
| May 27 | 91.9°F (1911) | 34.0°F (1910) | 2.44 in (1914) |
| May 28 | 97.0°F (2012) | 34.0°F (1897) | 2.18 in (1915) |
| May 29 | 93.9°F (2012) | 33.1°F (1897) | 1.41 in (1996) |
| May 30 | 93.9°F (2012) | 39.0°F (2021) | 0.59 in (2019) |
| May 31 | 89.1°F (2010) | 39.9°F (1910) | 2.14 in (2015) |