Weather in Duluth in Summer
| June | July | August | ||||
| Average day temperature: | ||||||
| Average day temperature: | 69.9°F | 74.1°F | 74.1°F | |||
| Average night temperature: | ||||||
| Average night temperature: | 55.7°F | 60.3°F | 60.8°F | |||
| Sea water temperature: | ||||||
| Sea water temperature: | 51.9°F | 63.3°F | 65.2°F | |||
| Number of sunny days: | ||||||
| Number of sunny days: | 10 days | 12 days | 15 days | |||
| Day length: | ||||||
| Day length: | 15.6 - 15.9 h. | 14.9 - 15.8 h. | 13.4 - 14.9 h. | |||
| Number of rainy days: | ||||||
| Number of rainy days: | 3 days | 3 days | 4 days | |||
| Precipitation totals: | ||||||
| Precipitation totals: | 1.2 in. | 1.7 in. | 1.4 in. | |||
Day & Night air temperature, °F
Sea water temperature, °F
Precipitation total, in.
Sunny, partly cloudy and cloudy days
Wind speed, mph
Average sunny hours
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
Best time for vacation in Duluth
Duluth on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Duluth
Local time: 14:10
May 18, saturday
1500
64°F
E
8 mph
8 mph
1800
63°F
E
15 mph
15 mph
2100
55°F
E
11 mph
11 mph
May 19, sunday
0000
48°F
NE
6 mph
6 mph
0300
45°F
NE
7 mph
7 mph
0600
46°F
E
6 mph
6 mph
0900
59°F
NE
7 mph
7 mph
1200
66°F
NE
9 mph
9 mph
