May weather in Hannibal, MO
The average temperature in Hannibal in May is 63.6°F (54.0°F–73.3°F). Average precipitation: 4.96 inches.
May is a spring month in Hannibal, and is warmer than the annual average of 53°F. Daily temperatures swing about 19.3°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 11m. For travel, May is a comfortable month to visit.
Avg High
73.3°F
Avg Low
54.0°F
Precipitation
4.96 in
Daylight
14h 11m
May records in Hannibal
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 87.1°F (1951) | 34.0°F (1960) | 1.99 in (2019) |
| May 2 | 90.0°F (1968) | 35.1°F (1967) | 2.16 in (1983) |
| May 3 | 88.0°F (1949) | 30.0°F (1976) | 1.26 in (1979) |
| May 4 | 90.0°F (1952) | 30.0°F (1954) | 1.99 in (1991) |
| May 5 | 91.9°F (1952) | 30.9°F (1990) | 1.54 in (1967) |
| May 6 | 88.0°F (1936) | 30.9°F (1944) | 1.63 in (1967) |
| May 7 | 88.0°F (1936) | 35.1°F (1960) | 3.15 in (2002) |
| May 8 | 91.0°F (2023) | 36.0°F (1960) | 1.24 in (1995) |
| May 9 | 91.9°F (1979) | 34.0°F (1966) | 1.76 in (2016) |
| May 10 | 90.0°F (2022) | 32.0°F (1966) | 1.40 in (1981) |
| May 11 | 91.9°F (2011) | 36.0°F (1952) | 2.10 in (2010) |
| May 12 | 93.0°F (2022) | 37.9°F (2013) | 1.85 in (1955) |
| May 13 | 93.0°F (2022) | 36.0°F (1989) | 2.20 in (1980) |
| May 14 | 91.0°F (2022) | 37.9°F (1959) | 3.19 in (1970) |
| May 15 | 93.0°F (1988) | 35.1°F (1959) | 3.61 in (1991) |
| May 16 | 91.9°F (1977) | 37.9°F (1959) | 2.33 in (1957) |
| May 17 | 89.1°F (1964) | 39.0°F (1973) | 2.85 in (1966) |
| May 18 | 91.0°F (1996) | 37.9°F (2002) | 3.07 in (1981) |
| May 19 | 91.0°F (1962) | 39.9°F (1968) | 2.22 in (2017) |
| May 20 | 90.0°F (1941) | 37.9°F (1954) | 2.36 in (2025) |
| May 21 | 91.9°F (1941) | 39.0°F (2002) | 1.13 in (1959) |
| May 22 | 91.0°F (1956) | 37.9°F (1963) | 2.01 in (1998) |
| May 23 | 91.0°F (1972) | 39.9°F (1996) | 1.23 in (1968) |
| May 24 | 91.0°F (1939) | 41.0°F (1935) | 2.93 in (1995) |
| May 25 | 91.0°F (1953) | 42.1°F (1979) | 1.61 in (1991) |
| May 26 | 91.0°F (1953) | 37.9°F (1961) | 2.61 in (1989) |
| May 27 | 93.0°F (1978) | 39.0°F (1992) | 2.13 in (1996) |
| May 28 | 95.0°F (2018) | 42.1°F (1992) | 2.01 in (1955) |
| May 29 | 97.0°F (1934) | 37.0°F (1947) | 1.88 in (2019) |
| May 30 | 99.0°F (1934) | 41.0°F (1947) | 0.91 in (1967) |
| May 31 | 104.0°F (1934) | 42.1°F (1972) | 2.35 in (2013) |