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Duluth weather in August

Weather in Duluth: August


	Average day temperature:	73.8°F
	Average night temperature:	60.3°F

	Sea water temperature:	65.5°F

	Number of sunny days:	14 days
	Day length:	13.4 - 14.8 hours

	Number of rainy days:	3 days
	Precipitation totals:	1.4 in.

more information

14 days
forecast

Duluth

sea water
temperature

Duluth

January
February
March
April

May
June
July
August

September
October
November
December

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2024

2023

2022

112

Day temperature

Night temperature

The highest day temperature during August of 2024 was 84°F. At the same time the lowest night temperature was 51°F. Daily and nightly averages during August were 72.5°F and 58.1°F.

Show year:

2024

2023

2022

The average sea water temperature in August of 2024 was 66.8°F. The highest and lowest sea temperatures during the month were 71.4°F and 63.0°F.

	Sunny days
	Partly cloudy days
	Cloudy days

45%

29%

26%

Mostly all days in August are sunny but cloudy days are also possible.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

0.3

0.5

0.8

1.1

1.3

1.6

1.9

1.6

1.3

1.4

1.6

1.3

Precipitation total value in Duluth in August is 1.4 in. Other months of the year show relatively similar values.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

1.6

3.1

4.7

6.3

7.8

9.4

11.0

7.8

8.1

7.8

7.0

6.1

7.0

7.7

9.1

8.4

7.7

7.5

7.8

8.1

7.8

7.0

6.8

6.1

7.0

7.7

9.1

8.4

7.7

7.5

The average wind speed value in August is 6.8 mph It makes August one of the least windy months of the year.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

1.6

3.3

4.9

6.6

8.2

9.9

11.5

2.6

4.0

5.4

8.0

9.6

8.5

7.3

4.4

4.7

3.9

3.2

2.6

4.0

5.4

8.0

9.0

9.6

8.5

7.3

4.4

4.7

3.9

3.2

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 9.0.