Please click on any column to get detailed information about Grand Marais weather in that particular month. You will get daily weather information for that month for the last several years.
Day & Night air temperature, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
11
22
33
44
55
66
77
88
25.9
36.9
49.4
62.6
68.2
67.0
60.9
51.1
38.8
30.8
18.9
19.4
22.2
32.3
43.3
54.3
59.9
58.6
52.9
43.2
31.8
23.7
12.5
13.9
Day temperature | Night temperature |
The warmest month in Grand Marais is august. The average daily temp is 68.2°F. The average nightly temp is 59.9°F.
Sea water temperature, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
10
20
30
40
50
60
70
80
39.7
44.7
52.6
59.3
59.9
51.8
40.5
36.5
34.5
34.1
35.1
37.2
The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 59.9°F.
Precipitation total, in.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.3
0.5
0.8
1.0
1.3
1.6
1.8
0.7
0.8
0.7
0.7
1.5
1
1
0.9
1.3
0.7
0.3
0.3
Number of rainy days
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
5
1
1
1
1
4
2
2
1
3
2
0
0
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
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
8
9
10
11
9.8
9.9
8.5
7.4
6.9
6
6.7
7.7
9.9
9.5
9.5
9.6
Sunny, partly cloudy and cloudy days
1
2
3
4
5
6
7
8
9
10
11
12
0
5
10
15
20
25
30
35
18
13
12
5
6
7
10
11
18
16
15
17
7
10
11
10
11
11
12
10
7
9
9
7
5
7
8
15
14
13
8
10
5
6
5
7
Cloudy days | Partly cloudy days | Sunny days |
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
8
9
10
11
2.8
4
5.5
8.1
9.1
9.4
8.3
7.7
4.6
4.9
4.2
3.7
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.
sea water
temperature
temperature
Grand Marais |
14 days
forecast
forecast
Grand Marais |
current
weather
weather
Grand Marais |
7 days
forecast
forecast
Grand Marais |
Best time for vacation in Grand Marais
Grand Marais on a weather map
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
Grand Marais
Local time: 15:09
April 25, friday
1800

46°F
SW
1 mph
1 mph
2100

41°F
SE
1 mph
1 mph
April 26, saturday
0000

39°F
SW
5 mph
5 mph
0300

39°F
S
5 mph
5 mph
0600

37°F
S
5 mph
5 mph
0900

39°F
W
1 mph
1 mph
1200

39°F
N
9 mph
9 mph
1500

39°F
N
7 mph
7 mph