May weather in Grayson, KY
The average temperature in Grayson in May is 62.7°F (49.2°F–76.2°F). Average precipitation: 4.89 inches.
May is a spring month in Grayson, and is warmer than the annual average of 54°F. Daily temperatures swing about 27°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 5m. For travel, May is a comfortable month to visit.
Avg High
76.2°F
Avg Low
49.2°F
Precipitation
4.89 in
Daylight
14h 5m
May records in Grayson
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 87.1°F (2007) | 28.9°F (2008) | 0.56 in (1998) |
| May 2 | 88.0°F (2007) | 36.0°F (2005) | 0.39 in (2001) |
| May 3 | 90.0°F (2012) | 30.0°F (2005) | 4.83 in (2010) |
| May 4 | 89.1°F (2012) | 28.0°F (2005) | 1.18 in (2009) |
| May 5 | 84.9°F (1999) | 28.0°F (2005) | 0.75 in (2012) |
| May 6 | 86.0°F (2001) | 33.1°F (1997) | 2.58 in (2003) |
| May 7 | 90.0°F (2000) | 34.0°F (1997) | 0.95 in (2002) |
| May 8 | 89.1°F (2000) | 34.0°F (1997) | 0.95 in (1998) |
| May 9 | 87.1°F (2000) | 37.0°F (2005) | 1.71 in (2008) |
| May 10 | 88.0°F (2004) | 33.1°F (2010) | 0.26 in (2003) |
| May 11 | 88.0°F (2004) | 28.9°F (1997) | 1.37 in (2011) |
| May 12 | 88.0°F (1999) | 30.0°F (1997) | 1.07 in (2008) |
| May 13 | 89.1°F (2000) | 35.1°F (2013) | 1.79 in (2010) |
| May 14 | 89.1°F (2014) | 32.0°F (2013) | 0.73 in (2012) |
| May 15 | 89.1°F (1998) | 32.0°F (2013) | 0.62 in (2003) |
| May 16 | 90.0°F (1998) | 30.0°F (1997) | 1.00 in (2003) |
| May 17 | 84.0°F (1998) | 30.0°F (1997) | 1.09 in (2001) |
| May 18 | 86.0°F (2001) | 35.1°F (2009) | 1.96 in (2002) |
| May 19 | 91.0°F (2000) | 33.1°F (2002) | 1.56 in (2001) |
| May 20 | 89.1°F (1998) | 32.0°F (2009) | 1.10 in (2005) |
| May 21 | 86.0°F (1998) | 37.9°F (1997) | 0.82 in (2003) |
| May 22 | 87.1°F (2004) | 30.0°F (2002) | 1.23 in (2001) |
| May 23 | 89.1°F (2004) | 30.9°F (2002) | 0.58 in (2011) |
| May 24 | 89.1°F (2007) | 34.0°F (2006) | 0.61 in (2011) |
| May 25 | 87.1°F (2000) | 35.1°F (2013) | 0.43 in (2001) |
| May 26 | 89.1°F (2012) | 35.1°F (2013) | 1.30 in (2009) |
| May 27 | 91.0°F (2012) | 39.9°F (1999) | 1.37 in (2004) |
| May 28 | 91.0°F (2012) | 39.9°F (1999) | 1.18 in (2000) |
| May 29 | 91.0°F (2012) | 41.0°F (2008) | 0.72 in (2002) |
| May 30 | 91.0°F (2006) | 41.0°F (2008) | 0.48 in (2012) |
| May 31 | 93.0°F (2011) | 44.1°F (2001) | 1.43 in (2004) |