Grand Marais (MN) monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Grand Marais

Grand Marais average temperature chart (Celsius) Grand Marais average temperature chart (Fahrenheit)
Average monthly temperatures in Grand Marais (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -8.4 -5.2 0.9 9.4 16.9 21.3 24.6 23 17.4 10.9 1.7 -6.2
°F 16.9 22.7 33.6 48.9 62.4 70.3 76.3 73.5 63.3 51.6 35 20.8

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Grand Marais monthly rainfall chart (mm) Grand Marais monthly rainfall chart (inches)
Average monthly rainfall in Grand Marais (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 42 29 45 51 77 95 94 94 92 70 56 45
inches 1.6 1.1 1.8 2 3 3.7 3.7 3.7 3.6 2.7 2.2 1.8
Rainy days 12 9 10 9 11 13 11 12 13 11 11 12

Average annual rainfall in Grand Marais: 745.233mm (293.4 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Grand Marais

Grand Marais average daily sunshine chart
Average daily sunshine Grand Marais
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.4 5.5 6.1 8 9 9.4 10.4 8.9 6.3 4.7 3.3 3.4

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Grand Marais average minimum / maximum temperatures (Celsius) Grand Marais average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Grand Marais (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -20.3 -18 -11.4 -3.5 2.2 7 10.7 9.9 5.5 0.5 -6.9 -16.3
Max °C -8.1 -4.9 1.2 9.7 17.3 21.6 25 23.4 17.7 11.2 1.9 -6
Min °F -4.5 -0.3 11.5 25.7 35.9 44.6 51.2 49.7 41.9 32.8 19.6 2.8
Max °F 6.4 11.5 22.8 37.6 49.5 57.7 64 61.9 52.9 42.4 27.5 12

Sea temperature

The graph below shows the average sea temperature.

Grand Marais average sea temperature chart (Celsius) Grand Marais average sea temperature chart (Fahrenheit)
Average sea temperature around Grand Marais in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.6 2.2 1.9 2 2.8 4.5 9.7 16.2 14.2 8.9 5.6 3.7
°F 36.6 35.9 35.4 35.6 37.1 40.2 49.4 61.1 57.6 48 42.1 38.6

Wind speed

The graph below shows the average wind speed.

Grand Marais average winspeed by month (km/h) Grand Marais average winspeed by month (mph)
Average wind speed in Grand Marais (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 13 13 13 14 13 12 11 11 12 13 13 13
mph 8 8 8 9 8 8 7 7 8 8 8 8

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Grand Marais relative humidity averages
Average relative humidity in Grand Marais
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
72% 70% 69% 64% 65% 71% 73% 76% 78% 75% 77% 75%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Grand Marais weather stats

Grand Marais weather statistics
Hottest month: July 24.6°C 76.3°F
Driest month: February 29mm 1.1ins
Sunniest month: July 10.4hrs
Coldest month: January -8.4°C 16.9°F
Wettest month: June 95mm 3.7ins
Warmest sea: August 16.2°C 61.2°F
Map showing location of Grand Marais (47.75045, -90.33427) Grand Marais map pin © Google

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