Measurements:
°C
°F
Duluth
26°F
NE 4 mph
Feels like: 18°F
Precip: 0%
World Resorts USA Duluth Weather

7 Day Weather Forecast

01.09
fri
DAY
26°F
SE 5 mph
precip
0%
NIGHT
22°F
NE 4 mph
precip
0%
01.10
sat
DAY
20°F
SE 11 mph
precip
0%
NIGHT
14°F
SE 15 mph
precip
0%
01.11
sun
DAY
14°F
SE 6 mph
precip
0%
NIGHT
16°F
NE 10 mph
precip
71%
01.12
mon
DAY
24°F
E 7 mph
precip
0%
NIGHT
28°F
NE 9 mph
precip
100%
01.13
tue
DAY
30°F
SE 11 mph
precip
100%
NIGHT
22°F
S 5 mph
precip
84%
01.14
wed
DAY
14°F
SW 7 mph
precip
80%
NIGHT
6°F
NE 1 mph
precip
76%
01.15
thu
DAY
10°F
NW 2 mph
precip
0%
NIGHT
4°F
N 2 mph
precip
0%

Duluth Sea Water Temperature in January, °F

Select Year: 2025 2024 2023

The average sea surface temperature in January 2025 for Duluth was 1.3°F. The maximum and minimum values were 0.6°F and 2.4°F respectively.

Duluth on the Weather Map

Best Time to Visit Duluth
The most sunny months:
September 14 days
August 13 days
July 12 days
The most warm months:
July 77.4 °F
August 76.5 °F
June 70.6 °F
Warmest sea temperature:
August 67.6 °F
July 65.4 °F
September 63.7 °F
The most cold months:
January 15.0 °F
February 15.5 °F
December 21.4 °F
The most rainy months:
June 3 days
August 3 days
July 3 days
The most windy months:
April 9 mph
March 8 mph
November 8 mph