Weather · Duluth, United States
Duluth Weather in August
August in Duluth averages 30°C by day and 21°C at night, with about 169mm of rain. That makes it a reasonable time to visit.
Avg high
30°C
86°F
Avg low
21°C
70°F
Rainfall
169mm
#2 wettest of 12
What to pack
Light, breathable clothes and strong sun protection. Pack a rain jacket or travel umbrella, showers are frequent this month.
Timing a trip around the weather? A Local Friend in Duluth builds it around the season for you.