May weather in Altoona, PA
The average temperature in Altoona in May is 59.0°F (48.6°F–69.5°F). Average precipitation: 4.41 inches.
May is a spring month in Altoona, and is warmer than the annual average of 49.6°F. Daily temperatures swing about 20.9°F between overnight low and afternoon high. Expect about 16 days with precipitation. Daylight averages about 14h 15m. For travel, May is a comfortable month to visit.
Avg High
69.5°F
Avg Low
48.6°F
Precipitation
4.41 in
Daylight
14h 15m
May records in Altoona
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 86.0°F (2010) | 25.0°F (1978) | 1.01 in (1996) |
| May 2 | 86.0°F (1970) | 28.0°F (1968) | 0.95 in (1983) |
| May 3 | 86.0°F (2012) | 28.9°F (1979) | 1.87 in (1985) |
| May 4 | 87.1°F (2001) | 30.0°F (2004) | 1.46 in (1975) |
| May 5 | 81.0°F (2010) | 27.0°F (1974) | 1.69 in (2017) |
| May 6 | 87.1°F (2001) | 30.0°F (2002) | 2.65 in (2022) |
| May 7 | 82.9°F (1982) | 27.0°F (1968) | 0.97 in (2022) |
| May 8 | 84.9°F (2000) | 25.0°F (1974) | 1.42 in (1994) |
| May 9 | 84.9°F (2014) | 26.1°F (2020) | 1.10 in (2021) |
| May 10 | 86.0°F (2000) | 30.9°F (1980) | 0.89 in (2024) |
| May 11 | 88.0°F (1979) | 32.0°F (1972) | 1.10 in (2006) |
| May 12 | 87.1°F (1979) | 32.0°F (2021) | 1.75 in (2019) |
| May 13 | 84.9°F (2014) | 28.9°F (1976) | 2.48 in (1980) |
| May 14 | 84.0°F (1991) | 30.0°F (1996) | 1.24 in (1978) |
| May 15 | 86.0°F (1985) | 33.1°F (2016) | 1.15 in (1978) |
| May 16 | 84.0°F (1991) | 30.0°F (1973) | 1.17 in (2003) |
| May 17 | 87.1°F (1974) | 30.0°F (1983) | 1.06 in (1970) |
| May 18 | 87.1°F (1977) | 32.0°F (1973) | 1.64 in (2002) |
| May 19 | 89.1°F (1996) | 30.0°F (1973) | 1.54 in (1988) |
| May 20 | 90.0°F (1996) | 33.1°F (1981) | 1.32 in (1986) |
| May 21 | 89.1°F (1996) | 32.0°F (2002) | 2.35 in (2004) |
| May 22 | 88.0°F (1975) | 32.0°F (2002) | 1.48 in (2025) |
| May 23 | 86.0°F (1970) | 32.0°F (1979) | 0.85 in (1982) |
| May 24 | 84.9°F (1970) | 35.1°F (1976) | 2.42 in (1979) |
| May 25 | 86.0°F (2018) | 35.1°F (1968) | 1.49 in (2017) |
| May 26 | 87.1°F (2010) | 35.1°F (1972) | 1.47 in (1997) |
| May 27 | 87.1°F (2010) | 34.0°F (1969) | 1.05 in (2012) |
| May 28 | 88.0°F (2012) | 35.1°F (1994) | 1.70 in (2019) |
| May 29 | 90.0°F (2006) | 41.0°F (1971) | 2.78 in (1982) |
| May 30 | 91.0°F (2011) | 37.9°F (1993) | 0.73 in (2025) |
| May 31 | 91.9°F (2011) | 36.0°F (1984) | 0.89 in (1972) |