May weather in Duluth, MN
The average temperature in Duluth in May is 48.4°F (40.8°F–56.1°F). Average precipitation: inches.
May is a spring month in Duluth, and is warmer than the annual average of 40.8°F. Daily temperatures swing about 15.3°F between overnight low and afternoon high. Daylight averages about 14h 50m. For travel, May is a comfortable month to visit.
Avg High
56.1°F
Avg Low
40.8°F
Precipitation
in
Daylight
14h 50m
May records in Duluth
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 82.0°F (1992) | 25.0°F (1966) | 0.76 in (1972) |
| May 2 | 75.0°F (1980) | 28.0°F (1967) | 0.68 in (1969) |
| May 3 | 72.0°F (2001) | 21.0°F (1967) | 0.41 in (1993) |
| May 4 | 89.1°F (1980) | 28.0°F (2004) | 1.40 in (1960) |
| May 5 | 81.0°F (1993) | 21.9°F (1989) | 0.52 in (1977) |
| May 6 | 70.0°F (1969) | 24.1°F (1989) | 0.85 in (1991) |
| May 7 | 82.9°F (2000) | 26.1°F (2002) | 0.47 in (1979) |
| May 8 | 82.0°F (2000) | 28.0°F (1996) | 1.00 in (1963) |
| May 9 | 77.0°F (1985) | 27.0°F (1966) | 1.20 in (1979) |
| May 10 | 73.9°F (1964) | 23.0°F (1981) | 0.50 in (1994) |
| May 11 | 82.0°F (1993) | 30.0°F (1996) | 0.66 in (1974) |
| May 12 | 82.0°F (1977) | 30.0°F (1996) | 0.36 in (1983) |
| May 13 | 84.9°F (1977) | 30.0°F (1997) | 1.82 in (1962) |
| May 14 | 75.9°F (1998) | 30.0°F (1981) | 1.40 in (1961) |
| May 15 | 79.0°F (1960) | 30.9°F (1972) | 1.22 in (1962) |
| May 16 | 75.9°F (1977) | 32.0°F (1972) | 0.62 in (1985) |
| May 17 | 84.9°F (1978) | 33.1°F (1965) | 0.56 in (1966) |
| May 18 | 84.9°F (1978) | 21.0°F (2002) | 0.70 in (1982) |
| May 19 | 77.0°F (1996) | 25.0°F (2002) | 1.32 in (1962) |
| May 20 | 84.0°F (1980) | 35.1°F (2002) | 0.69 in (1960) |
| May 21 | 82.9°F (1980) | 21.0°F (2004) | 0.91 in (1974) |
| May 22 | 89.1°F (1964) | 21.0°F (2004) | 1.10 in (1979) |
| May 23 | 77.0°F (1980) | 36.0°F (1999) | 1.38 in (1962) |
| May 24 | 79.0°F (1985) | 35.1°F (1979) | 2.06 in (1989) |
| May 25 | 78.1°F (1966) | 35.1°F (1969) | 0.68 in (1985) |
| May 26 | 82.9°F (1966) | 35.1°F (2002) | 0.55 in (1960) |
| May 27 | 82.0°F (1988) | 37.9°F (1971) | 0.30 in (1993) |
| May 28 | 89.1°F (1969) | 37.0°F (1965) | 1.00 in (1991) |
| May 29 | 89.1°F (1986) | 35.1°F (2004) | 1.90 in (1991) |
| May 30 | 90.0°F (1986) | 35.1°F (2004) | 1.05 in (1979) |
| May 31 | 87.1°F (2002) | 35.1°F (2004) | 1.28 in (1977) |