Measurements:
°C
°F
Grand Marais
14°F
E 9 mph
Feels like: 0°F
Precip: 0%
World Resorts USA Grand Marais Weather April Weather in Grand Marais

Grand Marais Weather: April

Average Day Temperature: 37.8°F
Average Night Temperature: 30.0°F
Sea Water Temperature: 32.8°F
Number of Sunny Days: 5 days
Sunshine Hours: 12.9 - 14.5 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.1 in
Number of Snowy Days: 1 day

Air Temperature in April, °F

Select Year: 2025 2024 2023

The highest day temperature in April 2025 was 49°F. The lowest night temperature was 18°F. The average values for day and night temperatures during April were 39.5°F и 30.9°F respectivly.

Grand Marais Water Sea Temperature in April, °F

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Grand Marais was 32.4°F. The maximum and minimum values were 31.6°F and 33.6°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in April are gloomy but you can also expect sunny days.

Precipitation Totals in April, in

Precipitation total in April for Grand Marais is 1.1 in. It makes april one of the most rainy months of the year.

Wind Speed in April, mph

The average wind speed in April is 9.6 mph. It makes April one of the most windy months of the year for Grand Marais.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Grand Marais in April is 4.8 hours.

Best Time to Visit Grand Marais
The most sunny months:
September 14 days
August 13 days
July 12 days
The most warm months:
August 70.1 °F
July 69.0 °F
September 63.5 °F
Warmest sea temperature:
August 61.3 °F
September 60.2 °F
October 53.1 °F
The most cold months:
February 15.4 °F
January 16.0 °F
December 23.2 °F
The most rainy months:
August 3 days
April 2 days
July 2 days
The most windy months:
November 10 mph
December 9 mph
April 9 mph

Grand Marais on the Weather Map

USA Resorts:
NAME
Chicago -2
Hawaii +78
Honolulu +78
Houston +44
Las Vegas +40
Los Angeles +52
Maui +72
Miami +72
Miami Beach +80
New York +20
San Diego +54
San Francisco +46
Sarasota +62
Tampa +62
Washington +28
24 Hours Weather Forecast
Grand Marais
Local time: 03:21
05 dec, friday
0600 16°F
E
6 mph
0900 10°F
SE
5 mph
1200 18°F
NE
7 mph
1500 20°F
NE
9 mph
1800 18°F
E
10 mph
2100 14°F
SE
14 mph
06 dec, saturday
0000 14°F
SE
11 mph
0300 8°F
SE
9 mph