May weather in Harpers Ferry, WV
The average temperature in Harpers Ferry in May is 61.2°F (48.8°F–73.5°F). Average precipitation: 4.57 inches.
May is a spring month in Harpers Ferry, and is warmer than the annual average of 52.9°F. Daily temperatures swing about 24.7°F between overnight low and afternoon high. Daylight averages about 14h 9m. For travel, May is a comfortable month to visit.
Avg High
73.5°F
Avg Low
48.8°F
Precipitation
4.57 in
Daylight
14h 9m
May records in Harpers Ferry
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 86.0°F (2010) | 28.9°F (2018) | 1.43 in (2020) |
| May 2 | 88.0°F (2010) | 35.1°F (1999) | 0.65 in (2002) |
| May 3 | 88.0°F (2002) | 30.0°F (2005) | 0.88 in (2004) |
| May 4 | 91.0°F (2018) | 30.9°F (2002) | 2.82 in (2019) |
| May 5 | 89.1°F (2001) | 32.0°F (2002) | 1.28 in (2017) |
| May 6 | 87.1°F (2000) | 35.1°F (2014) | 1.06 in (2019) |
| May 7 | 88.0°F (2000) | 32.0°F (2005) | 0.53 in (2009) |
| May 8 | 91.0°F (2000) | 32.0°F (2017) | 1.02 in (2013) |
| May 9 | 90.0°F (2000) | 28.9°F (2020) | 0.84 in (2020) |
| May 10 | 90.0°F (2000) | 28.9°F (2020) | 0.40 in (2003) |
| May 11 | 90.0°F (2004) | 30.9°F (2010) | 1.02 in (2013) |
| May 12 | 88.0°F (2005) | 37.9°F (2012) | 3.37 in (2008) |
| May 13 | 88.0°F (2004) | 33.1°F (2020) | 0.69 in (2010) |
| May 14 | 90.0°F (2000) | 28.9°F (2013) | 0.76 in (2019) |
| May 15 | 88.0°F (2004) | 32.0°F (2013) | 0.83 in (2012) |
| May 16 | 90.0°F (2018) | 34.0°F (2016) | 3.97 in (2014) |
| May 17 | 86.0°F (2015) | 37.0°F (2016) | 1.26 in (2011) |
| May 18 | 91.9°F (2017) | 37.0°F (2009) | 1.10 in (2011) |
| May 19 | 90.0°F (2017) | 33.1°F (2002) | 0.99 in (2018) |
| May 20 | 90.0°F (2017) | 30.9°F (2002) | 0.61 in (2008) |
| May 21 | 88.0°F (2021) | 30.9°F (2002) | 0.56 in (2016) |
| May 22 | 87.1°F (2013) | 30.0°F (2002) | 1.67 in (2012) |
| May 23 | 89.1°F (2004) | 30.0°F (2002) | 0.83 in (2018) |
| May 24 | 89.1°F (2004) | 36.0°F (2002) | 0.48 in (2019) |
| May 25 | 89.1°F (2004) | 36.0°F (2013) | 0.71 in (2012) |
| May 26 | 88.0°F (2007) | 37.0°F (2013) | 0.44 in (2017) |
| May 27 | 90.0°F (2011) | 39.0°F (2013) | 0.51 in (2009) |
| May 28 | 91.0°F (2010) | 39.9°F (2013) | 0.95 in (2014) |
| May 29 | 90.0°F (2012) | 42.1°F (2008) | 0.97 in (2021) |
| May 30 | 91.0°F (2006) | 43.0°F (2000) | 0.73 in (2020) |
| May 31 | 95.0°F (2006) | 35.1°F (2001) | 1.62 in (2006) |