December weather forecast
East Grand Rapids, MI

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Weather in December

The first month of the winter, December, is also a wintry month in East Grand Rapids, Michigan, with an average temperature ranging between max 33.8°F (1°C) and min 26.2°F (-3.2°C).

Temperature

Onset of December witnesses a reduction in the average high-temperature, falling from a chilly 45°F (7.2°C) in November to an icy 33.8°F (1°C). East Grand Rapids registers an average low-temperature of 26.2°F (-3.2°C) throughout December, a modest decrease from its daytime highs.

Humidity

The average relative humidity in December is 84%.

Rainfall

In East Grand Rapids, in December, it is raining for 5.6 days, with typically 0.55" (14mm) of accumulated precipitation. In East Grand Rapids, during the entire year, the rain falls for 103.5 days and collects up to 9.02" (229mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in East Grand Rapids, Michigan. In East Grand Rapids, during December, snow falls for 8.5 days and regularly aggregates up to 0.87" (22mm) of snow. Throughout the year, there are 44.5 snowfall days, and 5.51" (140mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 7:54 am and sunset at 5:09 pm. On the last day of December, in East Grand Rapids, sunrise is at 8:13 am and sunset at 5:18 pm EST.

Sunshine

The average sunshine in December is 2.9h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 1 in December translates into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

How cold is it in East Grand Rapids in December?

In December, the average high-temperature and low-temperature are 33.8°F (1°C) and 26.2°F (-3.2°C) respectively.

What is the average humidity in December in East Grand Rapids?

The average relative humidity in December is 84%.

How many days does it rain in December in East Grand Rapids?

In December, the rain falls for 5.6 days. Throughout December, 0.55" (14mm) of precipitation is accumulated.

How much does it snow in East Grand Rapids in December?

In December, in East Grand Rapids, Michigan, it is snowing for 8.5 days. Throughout December, 0.87" (22mm) of snow is accumulated.

What is the month with the shortest days in East Grand Rapids?

December has the shortest days of the year in East Grand Rapids, Michigan, with an average of 9h and 6min of daylight.

How many hours of daylight does East Grand Rapids have in December?

In East Grand Rapids, the average day length in December is 9h and 5min.

What time are sunrise and sunset in December in East Grand Rapids?

On the first day of December in East Grand Rapids, Michigan, sunrise is at 7:54 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 8:13 am and sunset at 5:18 pm EST.

How many hours of sunshine does East Grand Rapids have in December?

The average sunshine duration in December in East Grand Rapids is 2.9h.

When is the lowest UV index in East Grand Rapids?

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

How high is the UV index in December in East Grand Rapids?

The average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.
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
East Grand Rapids, MI

Average temperature in December - East Grand Rapids, MI
  • Average high temperature in December: 33.8°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in December: 26.2°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

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Average pressure in December
East Grand Rapids, MI

Average pressure in December - East Grand Rapids, 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
East Grand Rapids, MI

Average wind speed in December - East Grand Rapids, MI
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in December
East Grand Rapids, MI

Average humidity in December - East Grand Rapids, MI
  • Average humidity in December: 84%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in December
East Grand Rapids, MI

Average rainfall in December - East Grand Rapids, MI
  • Average rainfall in December: 0.55"

The wettest month (with the highest rainfall) is May (1.14").
The driest month (with the least rainfall) is March (0.47").

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Average rainfall days in December
East Grand Rapids, MI

Average rainfall days in December - East Grand Rapids, MI
  • Average rainfall days in December: 5.6 days

The month with the highest number of rainy days is May (13 days).
The month with the least rainy days is February (3.8 days).

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Average snowfall in December
East Grand Rapids, MI

Average snowfall in December - East Grand Rapids, MI
  • Average snowfall in December: 0.87"

The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
East Grand Rapids, MI

Average snowfall days in December - East Grand Rapids, MI
  • Average snowfall days in December: 8.5 days

The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
East Grand Rapids, MI

Average daylight in December / Average sunshine in December - East Grand Rapids, MI
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 2h and 5min

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

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Average sunshine days in December
East Grand Rapids, MI

Average sunshine days in December - East Grand Rapids, MI
  • Average sunshine days in December: 19.4 days

The month with the most sunshine days is September (21 days).
The month with the least sunshine days is April (13.4 days).

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Average UV index in December
East Grand Rapids, MI

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

The months with the highest UV index are June, 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
East Grand Rapids, MI

Average cloud cover in December - East Grand Rapids, MI
  • Average cloud cover in December: 70

The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in December
East Grand Rapids, MI

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

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

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East Grand Rapids, Michigan, USA

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