World Resorts USA Grand Marais Weather

Grand Marais weather in August

Weather in Grand Marais: August

Average day temperature: 68.3°F
Average night temperature: 60.2°F
Sea water temperature: 59.4°F
Number of sunny days: 14 days
Day length: 13.4 - 14.9 hours
Number of rainy days: 4 days
Precipitation totals: 1.6 in.

Air temperature in August, °F

Show year:
2023
2022
2021

The highest day temperature during August of 2023 was 77°F. At the same time the lowest night temperature was 50°F. Day and night temperature averages during August were 66.9°F and 58.4°F.

Sea water temperature in Grand Marais in August, °F

Show year:
2023
2022
2021

The average sea water temperature in August of 2023 was 59.7°F. The highest and lowest sea temperatures during the month were 63.0°F and 53.2°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in August, in.

Precipitation total value in Grand Marais in August is 1.6 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 6.9 mph It makes August one of the least windy months of the year.

Average sunny hours

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.

Best time for vacation in Grand Marais

Sunniest months:
August 14 days
September 14 days
July 13 days
Warmest months:
August 68.3 °F
July 67.0 °F
September 61.9 °F
Warmest sea temp:
August 59.4 °F
September 58.2 °F
October 53.0 °F
Coldest months:
February 19.0 °F
January 20.1 °F
December 26.1 °F
Rainiest months:
August 4 days
April 2 days
September 2 days
Windiest months:
April 9.9 mph
December 9.9 mph
November 9.9 mph

Grand Marais on a weather map

Grand Marais
+57°F
N 3 mph
Feels like: +57°F
Precip.: 69%
Places in USA:
Name
°F
+55°F
+59°F
+77°F
+77°F
+88°F
+68°F
+88°F
+70°F
+99°F
+66°F
+61°F
+88°F
+90°F
+91°F
+75°F
24 Hours Forecast
Grand Marais
Local time: 13:44
May 18, saturday
1500
57°F
N
3 mph
1800
57°F
NE
9 mph
2100
54°F
E
11 mph
May 19, sunday
0000
50°F
E
12 mph
0300
46°F
E
12 mph
0600
48°F
E
10 mph
0900
55°F
NE
12 mph
1200
57°F
NE
12 mph
Units of measurement: °C / °F