Flights to Duluth, MN, United States

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Weather in Duluth

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January-7°C-14°C
February-5°C-13°C
March1°C-5°C
April6°C0°C
May14°C5°C
June20°C11°C
July24°C15°C
August23°C15°C
September20°C12°C
October11°C5°C
November3°C-1°C
December-3°C-9°C
Hottest Month
24°C
July
Coldest month
-14°C
January
Sunny days
251
days per year
Snow days
27
days per year

14 day forecast

Saturday
20 Sep
16°C13°C
27 Sep
16°C10°C
Sunday
21 Sep
87%
20°C15°C
28 Sep
18°C10°C
Monday
22 Sep
22°C13°C
29 Sep
22°C10°C
Tuesday
23 Sep
19°C13°C
30 Sep
23°C14°C
Wednesday
24 Sep
17°C12°C
1 Oct
12°C7°C
Thursday
25 Sep
16°C9°C
2 Oct
82%
11°C5°C
Friday
26 Sep
21°C9°C
3 Oct
11°C6°C

Cheapest month to fly to Duluth

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Showing prices in USD

Annual Avg. Price229 USD
October 2025255 USD
November 2025168 USD
December 2025255 USD
January 2026180 USD
February 2026191 USD
March 2026195 USD
April 2026255 USD
May 2026255 USD
June 2026255 USD
July 2026255 USD
August 2026255 USD

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