Alpena
Michigan, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Alpena, MI

January, the same as December, in Alpena, Michigan, is a freezing cold winter month, with temperature in the range of an average low of 11.5°F (-11.4°C) and an average high of 26.8°F (-2.9°C). January is the coldest month, with an average high-temperature of 26.8°F (-2.9°C) and an average low-temperature of 11.5°F (-11.4°C). Weather in January »
The last month of the winter, February, is another freezing cold month in Alpena, Michigan, with temperature in the range of an average low of 11.5°F (-11.4°C) and an average high of 29.3°F (-1.5°C). In February, the average high-temperature is relatively the same as in January - a still subzero cold 29.3°F (-1.5°C). Weather in February »

March, the first month of the spring, in Alpena, is a cold month, with average temperature fluctuating between 38.3°F (3.5°C) and 19.2°F (-7.1°C). In Alpena, the average high-temperature increases, from a subzero cold 29.3°F (-1.5°C) in February, to a wintry 38.3°F (3.5°C). Weather in March »

April in Alpena, Michigan, is a cool spring month, with average temperature varying between 52.3°F (11.3°C) and 30.9°F (-0.6°C). In April, the average high-temperature increases, from a cold 38.3°F (3.5°C) in March, to a cool 52.3°F (11.3°C). Weather in April »

The last month of the spring, May, is an enjoyable month in Alpena, Michigan, with average temperature varying between 64.6°F (18.1°C) and 40.5°F (4.7°C). In Alpena, the average high-temperature rises, from a cool 52.3°F (11.3°C) in April, to an enjoyable 64.6°F (18.1°C). Weather in May »

June, the first month of the summer, in Alpena, is a moderately hot month, with average temperature ranging between max 74.5°F (23.6°C) and min 49.6°F (9.8°C). In Alpena, the average high-temperature rises, from an enjoyable 64.6°F (18.1°C) in May, to a moderately hot 74.5°F (23.6°C). Weather in June »

July, the same as June, is another warm summer month in Alpena, Michigan, with average temperature fluctuating between 79.3°F (26.3°C) and 55.2°F (12.9°C). With an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 55.2°F (12.9°C), July is the warmest month. Weather in July »

August, the last month of the summer, in Alpena, is another warm month, with average temperature ranging between max 77°F (25°C) and min 53.8°F (12.1°C). In Alpena, the average high-temperature is essentially the same as in July - a still moderately hot 77°F (25°C). Weather in August »

The first month of the autumn, September, is still a pleasant month in Alpena, Michigan, with average temperature fluctuating between 68.9°F (20.5°C) and 46.6°F (8.1°C). In Alpena, Michigan, the average high-temperature marginally drops, from a moderately hot 77°F (25°C) in August, to a pleasant 68.9°F (20.5°C). Weather in September »

October, like September, is a moderate autumn month in Alpena, Michigan, with average temperature fluctuating between 36.3°F (2.4°C) and 55.9°F (13.3°C). In October, the average high-temperature decreases, from an agreeable 68.9°F (20.5°C) in September, to a mild 55.9°F (13.3°C). Weather in October »

The last month of the autumn, November, is another chilly month in Alpena, Michigan, with average temperature varying between 28.2°F (-2.1°C) and 43.2°F (6.2°C). In Alpena, the average high-temperature drops, from a moderate 55.9°F (13.3°C) in October, to a chilly 43.2°F (6.2°C). Weather in November »

The first month of the winter, December, is still a freezing cold month in Alpena, Michigan, with average temperature ranging between max 31.6°F (-0.2°C) and min 18.3°F (-7.6°C). In Alpena, the average high-temperature drops, from a chilly 43.2°F (6.2°C) in November, to a subzero cold 31.6°F (-0.2°C). Weather in December »

What is the coldest month in Alpena?

The coldest month in Alpena is January, with an average high-temperature of 26.8°F (-2.9°C) and an average low-temperature of 11.5°F (-11.4°C).

How many days does it rain in Alpena?

In Alpena, Michigan, during the entire year, the rain falls for 145.4 days and collects up to 28.2" (715.2mm) of precipitation.

When does it snow in Alpena?

January through May, October through December are months with snowfall in Alpena.

How many days does it snow in Alpena?

Throughout the year, in Alpena, there are 60.4 snowfall days, and 84.3" (2141.3mm) of snow is accumulated.

What is the snowiest month in Alpena?

January is the month with the most snowfall in Alpena, Michigan. Snow falls for 15.7 days and accumulates 21.3" (541mm) of snow.

When is the lowest UV index in Alpena?

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Alpena.

What is the driest month in Alpena?

February is the month with the least rainfall in Alpena. Rain falls for 11.2 days and accumulates 1.3" (33.5mm) of precipitation.

What are the months with the coldest ocean in Alpena?

February through April, with an average ocean temperature of 35.6°F (2°C), are months with the coldest seawater. For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

What is the least humid month in Alpena?

May is the least humid month, with an average relative humidity of 66%.

When are the longest days in Alpena?

With an average of 15.6h of daylight, June has the longest days of the year.

When is the highest UV index in Alpena?

Months with the highest UV index in Alpena, Michigan, are June and July, with an average maximum UV index of 8.

What is the warmest month in Alpena?

July is the warmest month, with an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 55.2°F (12.9°C).

What month has the most sunshine in Alpena?

July has the most sunshine of the year, with an average of 10.2h of sunshine.

What is the rainiest month in Alpena?

The month with the most rainfall is August when the rain falls for 10.2 days and typically aggregates up to 3.2" (82mm) of precipitation.

What is the month with the warmest ocean in Alpena?

With an average ocean temperature of 64.4°F (18°C), August is the month with the warmest seawater. For most, swimming in 64.4°F (18°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

What is the most humid month in Alpena?

The most humid month in Alpena, Michigan, is December, with an average relative humidity of 79.6%.

What is the month with the shortest days in Alpena?

The month with the shortest days in Alpena is December, with an average of 8.8h of daylight.

What is the month with the least sunshine in Alpena?

With an average of 2.4h of sunshine, December has the least sunshine of the year in Alpena.
Average temperature - Alpena, MI
Average humidity - Alpena, MI
Average rainfall - Alpena, MI
Average rainfall days - Alpena, MI

The month with the highest number of rainy days is January (14.9 days).
The month with the lowest number of rainy days is August (10.2 days).

Average snowfall - Alpena, MI
Average snowfall days - Alpena, MI

The month with the highest number of snowfall days is January (15.7 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average sea temperature - Alpena, MI

The best month for swimming (with the highest average sea temperature) is August (64°F).
Coldest months (with the lowest average sea temperature) are February, March and April (36°F).

Average daylight / Average sunshine - Alpena, MI