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

The warmest month in Grand Marais is august. The average daily temp is 68.1°F. The average nightly temp is 59.6°F.

Sea water temperature, °F

The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 60.1°F.

Precipitation total, in.

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

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
Sunny, partly cloudy and cloudy days
Average sunny hours

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 14 days
August 13 days
July 12 days
Warmest months:
August 68.1 °F
July 67.1 °F
September 62.2 °F
Warmest sea temp:
August 60.2 °F
September 59.1 °F
October 52.8 °F
Coldest months:
February 18.9 °F
January 19.4 °F
December 25.9 °F
Rainiest months:
August 3 days
April 2 days
July 2 days
Windiest months:
November 10.0 mph
December 9.8 mph
April 9.6 mph

Grand Marais on a weather map

Grand Marais
+16°F
E 16 mph
Feels like: +1°F
Precip.: 100%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+5°F
24 Hours Forecast
Grand Marais
Local time: 22:53
December 05, friday
0000
16°F
E
16 mph
0300
18°F
E
9 mph
0600
19°F
E
6 mph
0900
14°F
SE
5 mph
1200
21°F
NE
7 mph
1500
23°F
NE
9 mph
1800
21°F
E
10 mph
2100
18°F
SE
14 mph
Units of measurement: °C / °F