May weather in Erwin, TN
The average temperature in Erwin in May is 63.0°F (49.8°F–76.2°F). Average precipitation: 4.83 inches.
May is a spring month in Erwin, and is warmer than the annual average of 55.4°F. Daily temperatures swing about 26.4°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 13h 55m. For travel, May is a comfortable month to visit.
Avg High
76.2°F
Avg Low
49.8°F
Precipitation
4.83 in
Daylight
13h 55m
May records in Erwin
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 84.9°F (2010) | 32.0°F (1996) | 1.33 in (1989) |
| May 2 | 88.0°F (2007) | 32.0°F (1996) | 0.98 in (1995) |
| May 3 | 88.0°F (2010) | 27.0°F (1986) | 1.03 in (1990) |
| May 4 | 86.0°F (2022) | 30.9°F (2004) | 0.81 in (2009) |
| May 5 | 86.0°F (2022) | 30.9°F (2004) | 1.18 in (2017) |
| May 6 | 84.0°F (1986) | 36.0°F (2011) | 1.40 in (2013) |
| May 7 | 86.0°F (1986) | 28.9°F (1989) | 3.68 in (1984) |
| May 8 | 89.1°F (2010) | 28.9°F (1989) | 1.38 in (1999) |
| May 9 | 84.9°F (2000) | 30.9°F (1980) | 2.12 in (2024) |
| May 10 | 84.9°F (2004) | 30.9°F (1980) | 0.93 in (1995) |
| May 11 | 84.9°F (2015) | 30.0°F (2020) | 1.10 in (1995) |
| May 12 | 86.0°F (2015) | 32.0°F (2020) | 1.58 in (2015) |
| May 13 | 90.0°F (2000) | 32.0°F (2020) | 2.98 in (2017) |
| May 14 | 87.1°F (2014) | 35.1°F (2013) | 1.96 in (1992) |
| May 15 | 87.1°F (1998) | 34.0°F (2021) | 1.16 in (2009) |
| May 16 | 88.0°F (1998) | 33.1°F (1984) | 2.51 in (1992) |
| May 17 | 84.9°F (2001) | 32.0°F (1984) | 1.24 in (2025) |
| May 18 | 89.1°F (2017) | 37.0°F (1997) | 1.22 in (2018) |
| May 19 | 90.0°F (2000) | 37.0°F (1994) | 2.04 in (1981) |
| May 20 | 91.0°F (2000) | 32.0°F (2002) | 1.61 in (2013) |
| May 21 | 93.9°F (2022) | 32.0°F (2002) | 2.40 in (1987) |
| May 22 | 86.0°F (1984) | 24.1°F (2002) | 1.11 in (2013) |
| May 23 | 88.0°F (2011) | 32.0°F (2002) | 2.00 in (2022) |
| May 24 | 88.0°F (1996) | 35.1°F (2002) | 1.77 in (2000) |
| May 25 | 90.0°F (1996) | 39.0°F (2013) | 1.52 in (2001) |
| May 26 | 91.0°F (2011) | 37.0°F (1983) | 1.40 in (1997) |
| May 27 | 88.0°F (1991) | 42.1°F (1980) | 2.00 in (2006) |
| May 28 | 89.1°F (1991) | 42.1°F (1994) | 1.20 in (1981) |
| May 29 | 88.0°F (2012) | 43.0°F (1994) | 1.33 in (2023) |
| May 30 | 89.1°F (2011) | 44.1°F (1984) | 0.81 in (2021) |
| May 31 | 90.0°F (2006) | 33.1°F (1984) | 1.39 in (2004) |