May weather in Allegany, NY
The average temperature in Allegany in May is 56.0°F (43.7°F–68.3°F). Average precipitation: 3.66 inches.
May is a spring month in Allegany, and is warmer than the annual average of 46.3°F. Daily temperatures swing about 24.6°F between overnight low and afternoon high. Expect about 15 days with precipitation. Daylight averages about 14h 23m. For travel, May is a comfortable month to visit.
Avg High
68.3°F
Avg Low
43.7°F
Precipitation
3.66 in
Daylight
14h 23m
May records in Allegany
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 78.1°F (2017) | 28.9°F (2012) | 1.10 in (2014) |
| May 2 | 81.0°F (2018) | 34.0°F (2018) | 0.92 in (2017) |
| May 3 | 84.9°F (2018) | 34.0°F (2023) | 0.77 in (1983) |
| May 4 | 86.0°F (2012) | 35.1°F (2023) | 0.93 in (1945) |
| May 5 | 81.0°F (2015) | 30.0°F (2020) | 1.37 in (1990) |
| May 6 | 81.0°F (1980) | 34.0°F (2011) | 0.94 in (1914) |
| May 7 | 75.9°F (2013) | 26.1°F (2020) | 1.10 in (1958) |
| May 8 | 82.0°F (2015) | 28.9°F (1980) | 1.11 in (1932) |
| May 9 | 84.9°F (2015) | 23.0°F (2020) | 2.78 in (2004) |
| May 10 | 87.1°F (2015) | 27.0°F (2020) | 1.37 in (1996) |
| May 11 | 88.0°F (2015) | 32.0°F (2021) | 1.04 in (1989) |
| May 12 | 84.9°F (2015) | 33.1°F (2020) | 1.31 in (2006) |
| May 13 | 84.9°F (2022) | 25.0°F (2020) | 1.60 in (1956) |
| May 14 | 87.1°F (2014) | 28.0°F (2013) | 2.40 in (2014) |
| May 15 | 80.1°F (2014) | 30.0°F (2013) | 0.93 in (1947) |
| May 16 | 81.0°F (2013) | 30.9°F (1980) | 1.29 in (2014) |
| May 17 | 81.0°F (2025) | 30.9°F (1980) | 2.76 in (1916) |
| May 18 | 84.9°F (2017) | 27.0°F (2023) | 0.70 in (1960) |
| May 19 | 84.0°F (2017) | 28.9°F (2023) | 1.97 in (2000) |
| May 20 | 87.1°F (2019) | 36.0°F (2014) | 2.00 in (1949) |
| May 21 | 87.1°F (2012) | 37.9°F (2015) | 1.57 in (1919) |
| May 22 | 89.1°F (2022) | 37.0°F (2019) | 1.18 in (1919) |
| May 23 | 87.1°F (2013) | 28.9°F (2015) | 1.63 in (2001) |
| May 24 | 84.0°F (1980) | 32.0°F (2015) | 1.51 in (2011) |
| May 25 | 81.0°F (2018) | 34.0°F (2023) | 2.03 in (1975) |
| May 26 | 86.0°F (2019) | 32.0°F (2023) | 2.25 in (1943) |
| May 27 | 89.1°F (2020) | 34.0°F (2013) | 1.53 in (1946) |
| May 28 | 87.1°F (2016) | 35.1°F (2013) | 2.54 in (1946) |
| May 29 | 88.0°F (2012) | 42.1°F (2021) | 1.85 in (2013) |
| May 30 | 88.0°F (2018) | 42.1°F (2024) | 1.15 in (1953) |
| May 31 | 88.0°F (2011) | 37.0°F (2024) | 1.31 in (1957) |