May weather in Duncan, MS
The average temperature in Duncan in May is 71.5°F (61.5°F–81.4°F). Average precipitation: 5.10 inches.
May is a spring month in Duncan, and is warmer than the annual average of 62.4°F. Daily temperatures swing about 19.9°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 46m. For travel, May is a wet month.
Avg High
81.4°F
Avg Low
61.5°F
Precipitation
5.10 in
Daylight
13h 46m
May records in Duncan
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 93.9°F (1894) | 42.1°F (1907) | 3.93 in (1946) |
| May 2 | 93.9°F (1943) | 34.0°F (1909) | 2.11 in (1984) |
| May 3 | 95.0°F (1952) | 37.9°F (1929) | 6.57 in (2008) |
| May 4 | 95.0°F (1952) | 39.9°F (1921) | 2.53 in (1953) |
| May 5 | 98.1°F (1952) | 34.0°F (2005) | 2.02 in (1914) |
| May 6 | 97.0°F (1952) | 44.1°F (1944) | 3.71 in (2003) |
| May 7 | 97.0°F (1952) | 42.1°F (1944) | 1.58 in (1978) |
| May 8 | 95.0°F (1952) | 42.1°F (1917) | 2.25 in (1978) |
| May 9 | 93.9°F (1894) | 39.9°F (1917) | 3.56 in (1989) |
| May 10 | 95.0°F (1912) | 41.0°F (1923) | 2.30 in (1930) |
| May 11 | 91.9°F (1896) | 42.1°F (1924) | 1.82 in (2008) |
| May 12 | 95.0°F (1935) | 42.1°F (1960) | 2.48 in (1933) |
| May 13 | 95.0°F (2022) | 44.1°F (1917) | 2.09 in (1971) |
| May 14 | 95.0°F (1962) | 42.1°F (1910) | 1.78 in (1893) |
| May 15 | 97.0°F (1894) | 43.0°F (1917) | 4.78 in (1923) |
| May 16 | 96.1°F (1894) | 45.0°F (1926) | 4.20 in (1974) |
| May 17 | 98.1°F (1894) | 45.0°F (1912) | 2.38 in (1920) |
| May 18 | 98.1°F (1998) | 43.0°F (2011) | 1.85 in (1938) |
| May 19 | 100.0°F (1998) | 45.0°F (1976) | 2.00 in (1983) |
| May 20 | 97.0°F (1941) | 42.1°F (1894) | 2.25 in (1928) |
| May 21 | 98.1°F (1941) | 48.0°F (1993) | 2.62 in (1955) |
| May 22 | 99.0°F (1941) | 46.0°F (2015) | 2.05 in (2013) |
| May 23 | 98.1°F (1941) | 48.0°F (1963) | 2.45 in (1974) |
| May 24 | 96.1°F (1948) | 48.0°F (1913) | 3.16 in (1987) |
| May 25 | 95.0°F (1911) | 46.9°F (1925) | 1.50 in (2017) |
| May 26 | 97.0°F (1953) | 44.1°F (1988) | 3.76 in (1981) |
| May 27 | 100.9°F (1953) | 43.0°F (1961) | 3.07 in (1924) |
| May 28 | 98.1°F (1911) | 45.0°F (1907) | 1.53 in (2016) |
| May 29 | 100.9°F (1953) | 42.1°F (1907) | 2.40 in (2020) |
| May 30 | 100.9°F (1951) | 41.0°F (1984) | 2.00 in (1962) |
| May 31 | 100.9°F (1934) | 45.0°F (1984) | 2.20 in (1946) |