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
9 Aug
71%
29°C23°C
16 Aug
22°C13°C
Sunday
10 Aug
27°C20°C
17 Aug
71%
15°C14°C
Monday
11 Aug
31°C17°C
18 Aug
81%
20°C16°C
Tuesday
12 Aug
89%
28°C18°C
19 Aug
89%
28°C17°C
Wednesday
13 Aug
24°C13°C
20 Aug
86%
26°C17°C
Thursday
14 Aug
82%
25°C16°C
21 Aug
20°C13°C
Friday
15 Aug
87%
28°C19°C
22 Aug
19°C12°C

Cheapest month to fly to Duluth

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Showing prices in USD

Annual Avg. Price211 USD
September 2025148 USD
October 2025167 USD
November 2025148 USD
December 2025167 USD
January 2026148 USD
February 2026254 USD
March 2026189 USD
April 2026254 USD
May 2026254 USD
June 2026298 USD
July 2026298 USD

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