December weather forecast
Jackson, MI

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Weather in December

December brings back the robust Michigan winter, featuring cold temperatures, light snowfall, and fewer daylight hours. With average highs around 34°F (1.1°C) and lows hovering 24.8°F (-4°C), the chill factor is quite real. Snowfall measures around 2.24" (57mm), spread over 10.9 days. This month represents the year's end, embracing the festive mood and a white Christmas scene lending the perfect touch to holiday celebrations.

Temperature

December in Jackson, Michigan, brings a decrease in the average high-temperature, shifting from a frosty 45.1°F (7.3°C) in November to a wintry 34°F (1.1°C). Throughout the month of December, Jackson observes an average nighttime temperature of 24.8°F (-4°C).

Humidity

In December, the average relative humidity in Jackson is 84%.

Rainfall

The month with the least rainfall in Jackson is December, when the rain falls for 7.1 days and typically collects 1.18" (30mm) of precipitation.

Snowfall

Months with snowfall in Jackson are January through May, October through December. In December, in Jackson, Michigan, it is snowing for 10.9 days. Throughout December, 2.24" (57mm) of snow is accumulated. In Jackson, during the entire year, snow falls for 53.6 days and aggregates up to 16.57" (421mm) of snow.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year in Jackson.
On the first day of December in Jackson, sunrise is at 7:47 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 5:15 pm EST.

Sunshine

The average sunshine in December in Jackson is 3.2h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 1 in December leads to these recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Jackson?

Jackson in December has an average high-temperature of 34°F (1.1°C) and an average low-temperature of 24.8°F (-4°C).

What is the average humidity in December in Jackson?

The average relative humidity in December in Jackson is 84%.

What is the driest month in Jackson?

The month with the least rainfall in Jackson, Michigan, is December, when the rain falls for 7.1 days and typically collects 1.18" (30mm) of precipitation.

How much does it rain in Jackson in December?

In Jackson, Michigan, in December, it is raining for 7.1 days, with typically 1.18" (30mm) of accumulated precipitation.

How many days does it snow in December in Jackson?

In Jackson, Michigan, during December, snow falls for 10.9 days and regularly aggregates up to 2.24" (57mm) of snow.

What is the month with the shortest days in Jackson?

The month with the shortest days in Jackson is December, with an average of 9h and 12min of daylight.

What is the average length of the day in December in Jackson?

The average day length in December in Jackson is 9h and 9min.

When is the sunrise / sunset in December in Jackson?

On the first day of December in Jackson, sunrise is at 7:47 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 5:15 pm EST.

How long on average sun shines in December in Jackson?

In December, the average sunshine duration in Jackson, Michigan, is 3.2h.

What are the months with the lowest UV index in Jackson?

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

How high is the UV index in December in Jackson?

In Jackson, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health threat from unprotected exposure to 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
Jackson, MI

Average temperature in December - Jackson, MI
  • Average high temperature in December: 34°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in December: 24.8°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

Average pressure in December
Jackson, MI

Average pressure in December - Jackson, MI
  • Average pressure in December: 30.08"Hg

The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Jackson, MI

Average wind speed in December - Jackson, MI
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

Average humidity in December
Jackson, MI

Average humidity in December - Jackson, MI
  • Average humidity in December: 84%

The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are March, April and October (78%).

Average rainfall in December
Jackson, MI

Average rainfall in December - Jackson, MI
  • Average rainfall in December: 1.18"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is December (1.18").

Average rainfall days in December
Jackson, MI

Average rainfall days in December - Jackson, MI
  • Average rainfall days in December: 7.1 days

The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is February (5.3 days).

Average snowfall in December
Jackson, MI

Average snowfall in December - Jackson, MI
  • Average snowfall in December: 2.24"

The month with the highest snowfall is February (5.24").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Jackson, MI

Average snowfall days in December - Jackson, MI
  • Average snowfall days in December: 10.9 days

The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Jackson, MI

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 3h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in December
Jackson, MI

Average sunshine days in December - Jackson, MI
  • Average sunshine days in December: 14.2 days

The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is May (9.3 days).

Average UV index in December
Jackson, MI

Average UV index in December - Jackson, MI
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in December
Jackson, MI

Average cloud cover in December - Jackson, MI
  • Average cloud cover in December: 66

The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
Jackson, MI

Average visibility in December - Jackson, MI
  • Average visibility in December: 6mi

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

Jackson, Michigan, USA

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