World Resorts USA Duluth

Duluth Monthly Weather Averages

Please click on any column to get detailed information about Duluth weather in that particular month. You will get daily weather information for that month for the last several years.

Day & Night air temperature, °F

The warmest month in Duluth is august. The average daily temp is 74.1°F. The average nightly temp is 60.8°F.

Sea water temperature, °F

The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 65.2°F.

Precipitation total, in.

February is the month with least precipitations during the year. The average precipitation totals for this month is 0.3 in. The month with most precipitation total is July.

Number of rainy days

This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.

Wind speed, mph
Sunny, partly cloudy and cloudy days
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.

* Charts above show average data for the last 3 years.

Best time for vacation in Duluth

Sunniest months:
August 15 days
September 15 days
July 12 days
Warmest months:
August 74.1 °F
July 74.1 °F
June 69.9 °F
Warmest sea temp:
August 65.2 °F
July 63.3 °F
September 62.0 °F
Coldest months:
February 18.8 °F
January 18.9 °F
December 25.2 °F
Rainiest months:
August 4 days
June 3 days
July 3 days
Windiest months:
April 9.1 mph
March 8.4 mph
November 8.1 mph

Duluth on a weather map

Duluth
+64°F
E 8 mph
Feels like: +64°F
Precip.: 100%
Places in USA:
Name
°F
+54°F
+59°F
+75°F
+75°F
+91°F
+68°F
+88°F
+66°F
+95°F
+66°F
+61°F
+86°F
+88°F
+91°F
+75°F
24 Hours Forecast
Duluth
Local time: 15:37
May 18, saturday
1800
63°F
E
15 mph
2100
55°F
E
11 mph
May 19, sunday
0000
48°F
NE
6 mph
0300
45°F
NE
7 mph
0600
46°F
E
6 mph
0900
59°F
NE
7 mph
1200
66°F
NE
9 mph
1500
68°F
NE
7 mph
Units of measurement: °C / °F