World Resorts USA Grand Marais Weather

Grand Marais weather in July

Weather in Grand Marais: July

Average day temperature: 66.6°F
Average night temperature: 58.9°F
Sea water temperature: 50.7°F
Number of sunny days: 12 days
Day length: 15.0 - 15.9 hours
Number of rainy days: 2 days
Precipitation totals: 0.8 in.

Air temperature in July, °F

Show year:
2026
2025
2024

The highest day temperature during July of 2026 was 70°F. At the same time the lowest night temperature was 53°F. Daily and nightly averages during July were 63.7°F and 60.1°F.

Sea water temperature in Grand Marais in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 42.5°F. The highest and lowest sea temperatures during the month were 46.9°F and 38.7°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in July is almost equal.

Precipitation total in July, in.

Precipitation total value in Grand Marais in July is 0.8 in. Other months of the year show relatively similar values.

Wind speed in July, mph

The average wind speed value in July is 6.1 mph It makes July lest windy month 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 July is: 9.4.

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 66.6 °F
September 62.2 °F
Warmest sea temp:
August 60.2 °F
September 59.1 °F
October 52.8 °F
Coldest months:
January 18.7 °F
February 19.7 °F
December 24.9 °F
Rainiest months:
August 3 days
April 2 days
June 2 days
Windiest months:
November 10.0 mph
December 9.9 mph
January 9.6 mph

Grand Marais on a weather map

Grand Marais
+63°F
SW 6 mph
Feels like: +63°F
Precip.: 2%
Places in USA:
Name
°F
+64°F
+75°F
+77°F
+81°F
+68°F
+81°F
+72°F
+75°F
+68°F
+66°F
+59°F
+68°F
+79°F
+79°F
+72°F
24 Hours Forecast
Grand Marais
Local time: 04:11
August 14, friday
0600
55°F
SW
6 mph
0900
64°F
W
9 mph
1200
66°F
W
9 mph
1500
66°F
W
9 mph
1800
64°F
W
9 mph
2100
57°F
SW
7 mph
August 15, saturday
0000
57°F
SW
9 mph
0300
59°F
SW
9 mph
Units of measurement: °C / °F