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Duluth

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Duluth Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Duluth year round climate

  • Spring (March–May): Avg. -2.0–8.7°C, cold and humid climate, rainfall gradually increases. Common activities: birdwatching, hiking on dry trails. Suggested clothing: warm jacket, waterproof jacket, hat, scarf, gloves.
  • Summer (June–August): Avg. 14.9–19.4°C, mild climate, relatively high rainfall, especially in June. Common activities: watersports (such as boating, kayaking), camping, hiking. Suggested clothing: light and breathable clothing, rain gear.
  • Autumn (September–November): Avg. 9.9–17.1°C, cool climate, high rainfall, especially in September. Common activities: leaf peeping, harvesting, hiking. Suggested clothing: warm jacket, long-sleeved shirts, comfortable walking shoes.
  • Winter (December–February): Avg. -8.6–-4.1°C, cold and dry climate, heavy snowfall. Common activities: skiing, snowshoeing, ice skating. Suggested clothing: heavy warm clothing, waterproof jacket, hat, scarf, gloves, snow boots.

Duluth climatological average

Annual average temperature: approx. 6°C / Annual rainfall: approx. 946 mm / Summer humidity: 65%–75% / Rainiest month: June

Duluth monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-8.6°C
25.4
February
-7°C
34
March
-2°C
44.5
April
3°C
102.5
May
8.7°C
116.6
June
14.9°C
140.3
July
19.4°C
100.4
August
19.3°C
80.5
September
17.1°C
136
October
9.9°C
57.9
November
2°C
54.6
December
-4.1°C
54.1

Duluth weather for the next seven days

1/29
Thursday
Cloudy
-11.9°C/-19.4°C
1/30
Friday
Sunny
-8.6°C/-23.5°C
1/31
Saturday
Sunny
-3.4°C/-18.7°C
2/1
Sunday
Moderate snow
-6.1°C/-14.5°C
2/2
Monday
Partly Cloudy
-6.5°C/-16.7°C
2/3
Tuesday
Light snow
-6°C/-14.7°C
2/4
Wednesday
Light snow
-2.9°C/-10.4°C