May weather in Wellsville, NY
The average temperature in Wellsville in May is 54.4°F (41.2°F–67.7°F). Average precipitation: 3.64 inches.
May is a spring month in Wellsville, and is warmer than the annual average of 44.9°F. Daily temperatures swing about 26.5°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 23m. For travel, May is a comfortable month to visit.
Avg High
67.7°F
Avg Low
41.2°F
Precipitation
3.64 in
Snow
0.1 in
May records in Wellsville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 80.1°F (2010) | 24.1°F (2022) | 1.40 in (1991) |
| May 2 | 81.0°F (2010) | 26.1°F (2008) | 1.25 in (2017) |
| May 3 | 84.0°F (2018) | 30.9°F (2005) | 0.66 in (2016) |
| May 4 | 86.0°F (2012) | 28.0°F (2005) | 1.25 in (2011) |
| May 5 | 84.0°F (1980) | 26.1°F (2005) | 0.75 in (1977) |
| May 6 | 79.0°F (2010) | 25.0°F (2005) | 1.16 in (2025) |
| May 7 | 75.9°F (2004) | 26.1°F (2006) | 1.03 in (1965) |
| May 8 | 80.1°F (2015) | 25.0°F (2020) | 0.71 in (1967) |
| May 9 | 86.0°F (2015) | 23.0°F (2020) | 2.25 in (2004) |
| May 10 | 84.9°F (2015) | 21.9°F (2020) | 1.10 in (1989) |
| May 11 | 87.1°F (2015) | 27.0°F (2010) | 1.40 in (1996) |
| May 12 | 84.9°F (2015) | 27.0°F (2010) | 1.46 in (1957) |
| May 13 | 84.0°F (2011) | 25.0°F (2020) | 1.02 in (2018) |
| May 14 | 84.9°F (2014) | 24.1°F (2020) | 2.30 in (2011) |
| May 15 | 80.1°F (2004) | 25.0°F (2013) | 1.86 in (1978) |
| May 16 | 84.9°F (2007) | 30.0°F (2023) | 1.55 in (2014) |
| May 17 | 81.0°F (2025) | 28.9°F (2005) | 0.78 in (2025) |
| May 18 | 84.9°F (2017) | 21.0°F (2014) | 0.98 in (1986) |
| May 19 | 86.0°F (2017) | 25.0°F (2023) | 1.92 in (2000) |
| May 20 | 86.0°F (2019) | 27.0°F (2009) | 1.30 in (1990) |
| May 21 | 86.0°F (2021) | 30.9°F (2007) | 0.63 in (2023) |
| May 22 | 87.1°F (2013) | 32.0°F (2020) | 1.00 in (2018) |
| May 23 | 96.1°F (1980) | 27.0°F (2015) | 1.36 in (1960) |
| May 24 | 88.0°F (1980) | 27.0°F (2015) | 1.50 in (1962) |
| May 25 | 84.0°F (2007) | 30.9°F (2006) | 0.52 in (1999) |
| May 26 | 84.9°F (2007) | 30.0°F (2023) | 0.91 in (2017) |
| May 27 | 87.1°F (2010) | 28.9°F (2023) | 0.52 in (1985) |
| May 28 | 87.1°F (2010) | 30.0°F (2013) | 1.53 in (1984) |
| May 29 | 88.0°F (2012) | 30.9°F (2008) | 1.63 in (2013) |
| May 30 | 89.1°F (2006) | 32.0°F (2008) | 1.11 in (2024) |
| May 31 | 90.0°F (2006) | 33.1°F (2004) | 0.98 in (1985) |