May weather in Sunbury, PA
The average temperature in Sunbury in May is 59.5°F (47.2°F–71.7°F). Average precipitation: 3.77 inches.
May is a spring month in Sunbury, and is warmer than the annual average of 50.3°F. Daily temperatures swing about 24.5°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 14h 17m. For travel, May is a comfortable month to visit.
Avg High
71.7°F
Avg Low
47.2°F
Precipitation
3.77 in
Daylight
14h 17m
May records in Sunbury
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 87.1°F (2024) | 30.9°F (2012) | 1.95 in (2020) |
| May 2 | 87.1°F (2010) | 28.9°F (1960) | 0.99 in (2017) |
| May 3 | 89.1°F (2024) | 30.0°F (1963) | 3.12 in (1929) |
| May 4 | 90.0°F (2018) | 30.9°F (1963) | 1.70 in (2011) |
| May 5 | 87.1°F (1965) | 28.9°F (1966) | 1.20 in (1972) |
| May 6 | 84.0°F (1962) | 28.9°F (1974) | 1.12 in (1937) |
| May 7 | 86.0°F (1959) | 33.1°F (2006) | 4.36 in (1944) |
| May 8 | 88.0°F (1959) | 28.9°F (1974) | 1.33 in (1931) |
| May 9 | 88.0°F (2015) | 28.9°F (2020) | 2.75 in (1960) |
| May 10 | 86.0°F (1963) | 28.0°F (1962) | 1.05 in (1972) |
| May 11 | 91.9°F (1963) | 28.0°F (1966) | 0.78 in (1963) |
| May 12 | 87.1°F (2015) | 28.9°F (1966) | 1.85 in (1952) |
| May 13 | 84.9°F (2023) | 30.0°F (2020) | 1.06 in (1936) |
| May 14 | 89.1°F (2014) | 28.9°F (2013) | 0.90 in (1937) |
| May 15 | 84.0°F (1961) | 30.9°F (2013) | 1.45 in (2012) |
| May 16 | 96.1°F (1962) | 30.9°F (1973) | 1.82 in (2014) |
| May 17 | 89.1°F (1962) | 33.1°F (1967) | 1.66 in (1945) |
| May 18 | 91.9°F (2017) | 30.9°F (2023) | 1.47 in (1960) |
| May 19 | 96.1°F (1962) | 30.9°F (2009) | 1.32 in (1950) |
| May 20 | 95.0°F (1962) | 32.0°F (2009) | 2.31 in (1943) |
| May 21 | 91.0°F (1959) | 32.0°F (2020) | 1.54 in (1946) |
| May 22 | 97.0°F (1975) | 34.0°F (2008) | 1.20 in (1942) |
| May 23 | 91.0°F (1959) | 35.1°F (2008) | 2.02 in (1942) |
| May 24 | 93.9°F (1964) | 28.0°F (1963) | 2.50 in (1944) |
| May 25 | 89.1°F (1964) | 28.9°F (1963) | 0.95 in (1930) |
| May 26 | 88.0°F (2018) | 37.0°F (1967) | 1.47 in (1953) |
| May 27 | 90.0°F (1965) | 35.1°F (2013) | 1.53 in (1946) |
| May 28 | 89.1°F (2010) | 37.9°F (1961) | 3.22 in (1946) |
| May 29 | 91.0°F (2016) | 34.0°F (2025) | 2.17 in (2009) |
| May 30 | 91.9°F (1969) | 34.0°F (1964) | 1.22 in (1954) |
| May 31 | 93.0°F (2006) | 36.0°F (1964) | 2.73 in (1972) |