July weather in Duluth, MN
The average temperature in Duluth in July is 66.4°F (57.7°F–75.2°F). Average precipitation: inches.
July is a summer month in Duluth, and is warmer than the annual average of 40.8°F. Daily temperatures swing about 17.5°F between overnight low and afternoon high. Daylight averages about 15h 18m. For travel, July is one of the best months of the year to visit.
Avg High
75.2°F
Avg Low
57.7°F
Precipitation
in
Daylight
15h 18m
July records in Duluth
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 93.0°F (2002) | 41.0°F (2003) | 1.53 in (1992) |
| July 2 | 86.0°F (2004) | 39.9°F (2004) | 1.05 in (1975) |
| July 3 | 87.1°F (2002) | 44.1°F (2004) | 1.00 in (1983) |
| July 4 | 88.0°F (2002) | 43.0°F (2004) | 0.56 in (1985) |
| July 5 | 86.0°F (1976) | 41.0°F (2004) | 0.90 in (1966) |
| July 6 | 89.1°F (1963) | 41.0°F (2004) | 1.73 in (1982) |
| July 7 | 89.1°F (1974) | 42.1°F (2003) | 1.85 in (1978) |
| July 8 | 88.0°F (1981) | 37.0°F (2004) | 0.35 in (1965) |
| July 9 | 86.0°F (1966) | 46.0°F (1996) | 1.87 in (1982) |
| July 10 | 97.0°F (1980) | 39.0°F (2004) | 0.60 in (1967) |
| July 11 | 84.9°F (1972) | 39.0°F (2004) | 1.63 in (1987) |
| July 12 | 93.0°F (1966) | 48.0°F (2002) | 1.40 in (1978) |
| July 13 | 89.1°F (1977) | 37.9°F (2004) | 0.42 in (1974) |
| July 14 | 93.0°F (1998) | 37.9°F (2004) | 2.08 in (1968) |
| July 15 | 90.0°F (1983) | 51.1°F (1976) | 0.86 in (1978) |
| July 16 | 90.0°F (1964) | 48.0°F (2003) | 1.60 in (1977) |
| July 17 | 96.1°F (1964) | 48.9°F (2003) | 1.02 in (1972) |
| July 18 | 91.0°F (1974) | 46.0°F (2003) | 2.08 in (1970) |
| July 19 | 84.0°F (1975) | 45.0°F (2002) | 0.80 in (1986) |
| July 20 | 86.0°F (1963) | 46.0°F (2002) | 0.90 in (1978) |
| July 21 | 90.0°F (2004) | 48.9°F (1975) | 2.02 in (1972) |
| July 22 | 91.9°F (2004) | 45.0°F (2003) | 1.83 in (1967) |
| July 23 | 89.1°F (1999) | 41.0°F (2003) | 0.72 in (1973) |
| July 24 | 91.9°F (1999) | 44.1°F (2003) | 1.02 in (1982) |
| July 25 | 91.0°F (1999) | 42.1°F (2003) | 0.65 in (1978) |
| July 26 | 88.0°F (1963) | 50.0°F (1972) | 1.23 in (1966) |
| July 27 | 91.9°F (2003) | 50.0°F (1971) | 1.18 in (1969) |
| July 28 | 89.1°F (1960) | 52.0°F (1971) | 0.80 in (1978) |
| July 29 | 91.9°F (1983) | 46.0°F (2002) | 0.78 in (1982) |
| July 30 | 93.0°F (1999) | 52.0°F (1968) | 1.65 in (1977) |
| July 31 | 96.1°F (1999) | 37.0°F (2004) | 0.71 in (1969) |