Grand Marais
Michigan, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Grand Marais, MI

January, like December, is another subzero cold winter month in Grand Marais, Michigan, with average temperature ranging between min 13.8°F (-10.1°C) and max 22.8°F (-5.1°C). The coldest month is January, with an average high-temperature of 22.8°F (-5.1°C) and an average low-temperature of 13.8°F (-10.1°C). Weather in January »

The last month of the winter, February, is also a subzero cold month in Grand Marais, Michigan, with average temperature varying between 13.6°F (-10.2°C) and 23.2°F (-4.9°C). In February, the average high-temperature is almost the same as in January - a still freezing cold 23.2°F (-4.9°C). Weather in February »

March, the first month of the spring, in Grand Marais, is a cold month, with temperature in the range of an average low of 21.6°F (-5.8°C) and an average high of 32.4°F (0.2°C). In March, the average high-temperature increases, from a subzero cold 23.2°F (-4.9°C) in February, to a cold 32.4°F (0.2°C). Weather in March »

April is a chilly spring month in Grand Marais, Michigan, with temperature in the range of an average high of 43.5°F (6.4°C) and an average low of 30.9°F (-0.6°C). In April, the average high-temperature increases, from a wintry 32.4°F (0.2°C) in March, to a frosty 43.5°F (6.4°C). Weather in April »

May, the last month of the spring, in Grand Marais, is a moderate month, with average temperature fluctuating between 57°F (13.9°C) and 41.2°F (5.1°C). In May, the average high-temperature rises, from a frosty 43.5°F (6.4°C) in April, to a mild 57°F (13.9°C). Weather in May »

The first month of the summer, June, is an enjoyable month in Grand Marais, Michigan, with average temperature fluctuating between 48.4°F (9.1°C) and 66°F (18.9°C). In Grand Marais, Michigan, the average high-temperature slightly increases, from a moderate 57°F (13.9°C) in May, to a comfortable 66°F (18.9°C). Weather in June »

July in Grand Marais, Michigan, is an agreeable summer month, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 72.1°F (22.3°C). With an average high-temperature of 72.1°F (22.3°C) and an average low-temperature of 55°F (12.8°C), July is the warmest month. Weather in July »

The last month of the summer, August, is also an agreeable month in Grand Marais, Michigan, with average temperature fluctuating between 56.8°F (13.8°C) and 71.8°F (22.1°C). In Grand Marais, the average high-temperature is essentially the same as in July - a still pleasant 71.8°F (22.1°C). Weather in August »

September, the first month of the autumn, in Grand Marais, is still a comfortable month, with average temperature fluctuating between 51.6°F (10.9°C) and 65.1°F (18.4°C). In September, the average high-temperature marginally drops, from an agreeable 71.8°F (22.1°C) in August, to an enjoyable 65.1°F (18.4°C). Weather in September »

October, the same as September, is a cool autumn month in Grand Marais, Michigan, with average temperature varying between 51.1°F (10.6°C) and 42.3°F (5.7°C). In Grand Marais, the average high-temperature in October decreases, from a comfortable 65.1°F (18.4°C) in September, to a cool 51.1°F (10.6°C). Weather in October »

The last month of the autumn, November, is also a wintry month in Grand Marais, Michigan, with average temperature fluctuating between 39.2°F (4°C) and 31.3°F (-0.4°C). In November, the average high-temperature decreases, from a fresh 51.1°F (10.6°C) in October, to a cold 39.2°F (4°C). Weather in November »

December, the first month of the winter, in Grand Marais, is also a subzero cold month, with average temperature varying between 21°F (-6.1°C) and 28.8°F (-1.8°C). In Grand Marais, the average high-temperature drops, from a wintry 39.2°F (4°C) in November, to a subzero cold 28.8°F (-1.8°C). Weather in December »

What is the coldest month in Grand Marais?

January is the coldest month in Grand Marais, Michigan, with an average high-temperature of 22.8°F (-5.1°C) and an average low-temperature of 13.8°F (-10.1°C).

What is the most humid month in Grand Marais?

Months with the highest humidity in Grand Marais, Michigan, are January and February, with an average relative humidity of 91%.

How much does it rain in Grand Marais?

Throughout the year, in Grand Marais, Michigan, there are 123.2 rainfall days, and 22.17" (563mm) of precipitation is accumulated.

When does it snow in Grand Marais?

Months with snowfall in Grand Marais are January through May, October through December.

How much does it snow in Grand Marais?

Throughout the year, in Grand Marais, there are 108.1 snowfall days, and 48.31" (1227mm) of snow is accumulated.

When does it snow the most in Grand Marais?

January is the month with the most snowfall. Snow falls for 24.8 days and accumulates 10.08" (256mm) of snow.

What is the month with the least sunshine in Grand Marais?

The month with the least sunshine is January, with an average of 1.6h of sunshine.

What are the months with the lowest UV index in Grand Marais?

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1.

What is the driest month in Grand Marais?

March is the month with the least rainfall. Rain falls for 8.1 days and accumulates 1.5" (38mm) of precipitation.

When is the ocean coldest in Grand Marais?

March and April, with an average ocean temperature of 35.6°F (2°C), are months with the coldest seawater.

What is the least humid month in Grand Marais?

May is the least humid month in Grand Marais, Michigan, with an average relative humidity of 73%.

When it does not snow in Grand Marais?

In Grand Marais snow does not fall in June through September.

When are the longest days in Grand Marais?

The month with the longest days in Grand Marais, Michigan, is June, with an average of 15.8h of daylight.

When is the highest UV index in Grand Marais?

Months with the highest UV index in Grand Marais, Michigan, are June through August, with an average maximum UV index of 5.

What is the warmest month in Grand Marais?

July is the warmest month in Grand Marais, with an average high-temperature of 72.1°F (22.3°C) and an average low-temperature of 55°F (12.8°C).

What month has the most sunshine in Grand Marais?

With an average of 9.9h of sunshine, July has the most sunshine of the year in Grand Marais.

When is the ocean warmest in Grand Marais?

The month with the warmest seawater in Grand Marais, Michigan, is August, with an average ocean temperature of 59°F (15°C).

What is the wettest month in Grand Marais?

The month with the most rainfall is October when the rain falls for 15.3 days and typically aggregates up to 2.8" (71mm) of precipitation.

What is the month with the shortest days in Grand Marais?

December has the shortest days of the year, with an average of 8.6h of daylight.
Average temperature - Grand Marais, MI
Average humidity - Grand Marais, MI
Average rainfall - Grand Marais, MI
Average rainfall days - Grand Marais, MI

The month with the highest number of rainy days is October (15.3 days).
The month with the lowest number of rainy days is February (3.1 days).

Average snowfall - Grand Marais, MI
Average snowfall days - Grand Marais, MI

The month with the highest number of snowfall days is January (24.8 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average sea temperature - Grand Marais, MI
Average daylight / Average sunshine - Grand Marais, MI
Average UV index - Grand Marais, MI