May weather in McMechen, WV
The average temperature in McMechen in May is 62.0°F (50.1°F–73.9°F). Average precipitation: 4.20 inches.
May is a spring month in McMechen, and is warmer than the annual average of 53.1°F. Daily temperatures swing about 23.8°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 14h 13m. For travel, May is a comfortable month to visit.
Avg High
73.9°F
Avg Low
50.1°F
Precipitation
4.20 in
Daylight
14h 13m
May records in McMechen
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 88.0°F (2017) | 33.1°F (2018) | 0.45 in (2009) |
| May 2 | 87.1°F (2007) | 34.0°F (2022) | 1.28 in (2009) |
| May 3 | 87.1°F (2024) | 34.0°F (2021) | 1.18 in (2010) |
| May 4 | 88.0°F (2012) | 33.1°F (2004) | 0.72 in (2021) |
| May 5 | 84.9°F (2001) | 33.1°F (2005) | 1.15 in (2024) |
| May 6 | 84.9°F (1991) | 36.0°F (2011) | 1.05 in (1991) |
| May 7 | 87.1°F (2000) | 32.0°F (2020) | 1.41 in (2022) |
| May 8 | 88.0°F (2015) | 35.1°F (1989) | 1.15 in (1998) |
| May 9 | 84.9°F (2014) | 35.1°F (2017) | 1.23 in (2012) |
| May 10 | 87.1°F (1993) | 33.1°F (2025) | 1.52 in (2003) |
| May 11 | 90.0°F (1993) | 30.0°F (2020) | 1.30 in (2016) |
| May 12 | 88.0°F (1993) | 34.0°F (2021) | 0.61 in (2001) |
| May 13 | 86.0°F (1991) | 34.0°F (2021) | 0.45 in (2002) |
| May 14 | 88.0°F (2014) | 33.1°F (1996) | 1.24 in (2011) |
| May 15 | 87.1°F (1988) | 33.1°F (1996) | 1.03 in (2006) |
| May 16 | 89.1°F (1991) | 42.1°F (2000) | 0.91 in (2014) |
| May 17 | 88.0°F (1991) | 37.0°F (2016) | 1.55 in (1996) |
| May 18 | 88.0°F (2017) | 39.9°F (2023) | 1.60 in (2024) |
| May 19 | 87.1°F (1996) | 36.0°F (2002) | 1.72 in (2004) |
| May 20 | 90.0°F (1996) | 36.0°F (2002) | 0.59 in (2000) |
| May 21 | 88.0°F (1996) | 36.0°F (2002) | 0.93 in (2016) |
| May 22 | 87.1°F (2024) | 34.0°F (2002) | 0.80 in (2001) |
| May 23 | 89.1°F (2022) | 34.0°F (2002) | 0.94 in (1999) |
| May 24 | 89.1°F (1991) | 37.9°F (2006) | 0.58 in (1989) |
| May 25 | 87.1°F (1991) | 39.9°F (1988) | 0.58 in (1997) |
| May 26 | 90.0°F (2020) | 35.1°F (2013) | 1.67 in (1997) |
| May 27 | 91.0°F (2012) | 42.1°F (2013) | 1.30 in (2018) |
| May 28 | 91.0°F (2012) | 39.9°F (1994) | 0.63 in (2020) |
| May 29 | 91.0°F (2012) | 41.0°F (1994) | 1.21 in (2000) |
| May 30 | 91.0°F (1988) | 43.0°F (2008) | 2.21 in (1998) |
| May 31 | 91.9°F (2006) | 41.0°F (2001) | 0.61 in (1991) |