December weather forecast
Grand Haven, MI

Weather in December

December, the first month of the winter in Grand Haven, is still a cold month, with an average temperature ranging between max 34.7°F (1.5°C) and min 28.9°F (-1.7°C).

Temperature

In December, the average high-temperature drops from a frosty 45°F (7.2°C) in November to a cold 34.7°F (1.5°C). In December, the average low-temperature is 28.9°F (-1.7°C).

Humidity

The average relative humidity in December in Grand Haven is 82%.

Rainfall

In December, the rain falls for 7.5 days. Throughout December, 1.46" (37mm) of precipitation is accumulated. Throughout the year, in Grand Haven, there are 139.5 rainfall days, and 22.8" (579mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Grand Haven are January through April, November and December. In Grand Haven, during 12.9 snowfall days, 2.52" (64mm) of snow is typically accumulated. Throughout the year, there are 55 snowfall days, and 14.21" (361mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Grand Haven, with an average of 9h and 4min of daylight.
On the first day of the month, sunrise is at 7:56 am and sunset at 5:11 pm. On the last day of December, in Grand Haven, sunrise is at 8:16 am and sunset at 5:19 pm EST.

Sunshine

In December, the average sunshine is 2.9h.

UV index

The months with the lowest UV index in Grand Haven are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 1 in December transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Grand Haven?

In December, in Grand Haven, the average high-temperature is 34.7°F (1.5°C), and the average low-temperature is 28.9°F (-1.7°C).

What is the average humidity in December in Grand Haven?

The average relative humidity in December is 82%.

How much does it rain in Grand Haven in December?

In December, the rain falls for 7.5 days. Throughout December, 1.46" (37mm) of precipitation is accumulated.

How many days does it snow in December in Grand Haven?

In Grand Haven, Michigan, during December, snow falls for 12.9 days and regularly aggregates up to 2.52" (64mm) of snow.

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

December has the shortest days of the year in Grand Haven, Michigan, with an average of 9h and 4min of daylight.

What is the average length of the day in December in Grand Haven?

In December, the average day length in Grand Haven is 9h and 4min.

When is the sunrise / sunset in December in Grand Haven?

In December, on the first day of the month, sunrise is at 7:56 am and sunset at 5:11 pm. On the last day of the month, in Grand Haven, Michigan, sunrise is at 8:16 am and sunset at 5:19 pm EST.

How many hours of sunshine does Grand Haven have in December?

In Grand Haven, the average sunshine duration in December is 2.9h.

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

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Grand Haven, Michigan.

What is the UV index intensity in December in Grand Haven?

In Grand Haven, Michigan, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Grand Haven, MI

Average temperature in December - Grand Haven, MI
  • Average high temperature in December: 34.7°F

The warmest month (with the highest average high temperature) is August (75.2°F).
The month with the lowest average high temperature is January (29.3°F).

  • Average low temperature in December: 28.9°F

The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

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Average pressure in December
Grand Haven, MI

Average pressure in December - Grand Haven, MI
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in December
Grand Haven, MI

Average wind speed in December - Grand Haven, MI
  • Average wind speed in December: 12.3mph

The windiest months (with the highest average wind speed) are January and November (12.6mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).

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Average humidity in December
Grand Haven, MI

Average humidity in December - Grand Haven, MI
  • Average humidity in December: 82%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are October and November (76%).

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Average rainfall in December
Grand Haven, MI

Average rainfall in December - Grand Haven, MI
  • Average rainfall in December: 1.46"

The wettest month (with the highest rainfall) is October (2.56").
The driest month (with the least rainfall) is November (1.22").

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Average rainfall days in December
Grand Haven, MI

Average rainfall days in December - Grand Haven, MI
  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is October (16.5 days).
The month with the least rainy days is February (4.9 days).

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Average snowfall in December
Grand Haven, MI

Average snowfall in December - Grand Haven, MI
  • Average snowfall in December: 2.52"

The month with the highest snowfall is February (4.13").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Grand Haven, MI

Average snowfall days in December - Grand Haven, MI
  • Average snowfall days in December: 12.9 days

The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Grand Haven, MI

Average daylight in December / Average sunshine in December - Grand Haven, MI
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 19min).
The month with the shortest days is December (Average daylight: 9h and 4min).

  • Average sunshine in December: 2h and 54min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

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Average sunshine days in December
Grand Haven, MI

Average sunshine days in December - Grand Haven, MI
  • Average sunshine days in December: 11.8 days

The month with the most sunshine days is March (16.2 days).
The month with the least sunshine days is January (9.2 days).

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Average UV index in December
Grand Haven, MI

Average UV index in December - Grand Haven, MI
  • Average UV index in December: 1

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in December
Grand Haven, MI

Average cloud cover in December - Grand Haven, MI
  • Average cloud cover in December: 71

The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 25).

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Average visibility in December
Grand Haven, MI

Average visibility in December - Grand Haven, MI
  • Average visibility in December: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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