Measurements:
°C
°F
Grand Marais
12°F
E 16 mph
Feels like: -4°F
Precip: 100%
World Resorts USA Grand Marais Weather December Weather in Grand Marais

Grand Marais Weather: December

Average Day Temperature: 23.2°F
Average Night Temperature: 19.1°F
Sea Water Temperature: 38.5°F
Number of Sunny Days: 5 days
Sunshine Hours: 8.4 - 8.7 hours
Number of Rainy Days: 1 day
Precipitation Totals: 0.7 in

Air Temperature in December, °F

Select Year: 2024 2023 2022

The highest day temperature in December 2024 was 35°F. The lowest night temperature was -11°F. The average values for day and night temperatures during December were 22.3°F и 18.0°F respectivly.

Grand Marais Water Sea Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2024 for Grand Marais was 39.6°F. The maximum and minimum values were 37.0°F and 43.2°F respectively.

Sunny, Cloudy and Gloomy days

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

Precipitation Totals in December, in

Precipitation total in December for Grand Marais is 0.7 in.

Wind Speed in December, mph

The average wind speed in December is 9.8 mph. It makes December 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 December is 3.1 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 0
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +40
Los Angeles +52
Maui +72
Miami +72
Miami Beach +80
New York +18
San Diego +54
San Francisco +46
Sarasota +62
Tampa +62
Washington +28
24 Hours Weather Forecast
Grand Marais
Local time: 01:21
05 dec, friday
0300 14°F
E
9 mph
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