World Resorts USA Grand Marais

Grand Marais Monthly Weather Averages

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

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 August.

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.

Best time for vacation in Grand Marais

Sunniest months:
September 15 days
August 14 days
July 13 days
Warmest months:
August 68.2 °F
July 67.0 °F
September 62.6 °F
Warmest sea temp:
August 60.0 °F
September 59.3 °F
October 52.6 °F
Coldest months:
February 18.9 °F
January 19.4 °F
December 25.9 °F
Rainiest months:
August 4 days
April 2 days
July 2 days
Windiest months:
April 9.9 mph
November 9.9 mph
December 9.8 mph

Grand Marais on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+57°F
+77°F
+77°F
+77°F
+77°F
+59°F
+82°F
+72°F
+84°F
+61°F
+50°F
+91°F
+93°F
+84°F
+54°F
24 Hours Forecast
Grand Marais
Local time: 15:09
April 25, friday
1800
46°F
SW
1 mph
2100
41°F
SE
1 mph
April 26, saturday
0000
39°F
SW
5 mph
0300
39°F
S
5 mph
0600
37°F
S
5 mph
0900
39°F
W
1 mph
1200
39°F
N
9 mph
1500
39°F
N
7 mph
Units of measurement: °C / °F