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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. -35–47°F, 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. 58–66°F, 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. 49–62°F, 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–-39.4°F, 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. 42.8°F / Annual rainfall: approx. 946 mm / Summer humidity: 65%–75% / Rainiest month: June

Duluth monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
16.5°F
25.4
February
19.4°F
34
March
28.4°F
44.5
April
37.4°F
102.5
May
47.7°F
116.6
June
58.8°F
140.3
July
66.9°F
100.4
August
66.7°F
80.5
September
62.8°F
136
October
49.8°F
57.9
November
35.6°F
54.6
December
24.6°F
54.1

Duluth weather for the next seven days

3/16
Monday
Partly Cloudy
19.6°F/13.1°F
3/17
Tuesday
Moderate snow
19.4°F/8.2°F
3/18
Wednesday
Cloudy
42.3°F/16.9°F
3/19
Thursday
Fog
38.8°F/32.1°F
3/20
Friday
Freezing fog
34°F/31.1°F
3/21
Saturday
Patchy rain nearby
45.9°F/30.9°F
3/22
Sunday
Partly Cloudy
34.3°F/27.4°F