December weather forecast
Atlas, MI

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Weather in December

December, the first month of the winter in Atlas, is still a cold month, with an average temperature fluctuating between 24.4°F (-4.2°C) and 33.1°F (0.6°C).

Temperature

During Atlas's transition into December, the average high-temperature lessens, moving from a frosty 44.1°F (6.7°C) in November to a cold 33.1°F (0.6°C). Atlas, in December, logs an average low-temperature of 24.4°F (-4.2°C), a subtle step down from daytime readings.

Humidity

In Atlas, the average relative humidity in December is 85%.

Rainfall

The months with the least rainfall in Atlas are September and December Rain falls for 8.4 days and accumulates 1.57" (40mm) of rain.

Snowfall

January through May, October through December are months with snowfall. In Atlas, in December, snow falls for 15.9 days, with typically accumulated 3.5" (89mm) of snow. Throughout the year, in Atlas, there are 71.3 snowfall days, and 21.89" (556mm) of snow is accumulated.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:46 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 5:09 pm EST.

Sunshine

In December, the average sunshine in Atlas is 3.2h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Atlas. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: In December, a regular UV index of 1 translates into these guidelines:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Atlas in December?

The high-temperature in Atlas during December is 33.1°F (0.6°C) and the low-temperature is 24.4°F (-4.2°C).

What is the average humidity in December in Atlas?

In December, the average relative humidity in Atlas, Michigan, is 85%.

What is the driest month in Atlas?

September and December are months with the least rain in Atlas when the rain falls for 8.4 days and typically aggregates up to 1.57" (40mm) of rain.

How much does it rain in Atlas in December?

In Atlas, in December, during 8.4 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

How much does it snow in Atlas in December?

In Atlas, Michigan, during December, snow falls for 15.9 days and regularly aggregates up to 3.5" (89mm) of snow.

What is the month with the shortest days in Atlas?

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

How many hours of daylight does Atlas have in December?

In December, the average day length in Atlas is 9h and 5min.

When are sunrise and sunset in December in Atlas?

On the first day of December, sunrise is at 7:46 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 5:09 pm EST.

How many hours of sunshine does Atlas have in December?

The average sunshine duration in December in Atlas, Michigan, is 3.2h.

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

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

How high is the UV index in December in Atlas?

In December, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a low health threat 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
Atlas, MI

Average temperature in December - Atlas, MI
  • Average high temperature in December: 33.1°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (27.1°F).

  • Average low temperature in December: 24.4°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

Average pressure in December
Atlas, MI

Average pressure in December - Atlas, 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 (29.93"Hg).

Average wind speed in December
Atlas, MI

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

The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

Average humidity in December
Atlas, MI

Average humidity in December - Atlas, MI
  • Average humidity in December: 85%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (77%).

Average rainfall in December
Atlas, MI

Average rainfall in December - Atlas, MI
  • Average rainfall in December: 1.57"

The wettest month (with the highest rainfall) is May (3.03").
The driest months (with the least rainfall) are September and December (1.57").

Average rainfall days in December
Atlas, MI

Average rainfall days in December - Atlas, MI
  • Average rainfall days in December: 8.4 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (5.8 days).

Average snowfall in December
Atlas, MI

Average snowfall in December - Atlas, MI
  • Average snowfall in December: 3.5"

The month with the highest snowfall is February (6.14").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Atlas, MI

Average snowfall days in December - Atlas, MI
  • Average snowfall days in December: 15.9 days

The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Atlas, 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: 3h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in December
Atlas, MI

Average sunshine days in December - Atlas, MI
  • Average sunshine days in December: 10.6 days

The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is January (8.4 days).

Average UV index in December
Atlas, MI

Average UV index in December - Atlas, 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
Atlas, MI

Average cloud cover in December - Atlas, MI
  • Average cloud cover in December: 67

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in December
Atlas, MI

Average visibility in December - Atlas, MI
  • Average visibility in December: 5mi

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

Atlas, Michigan, USA

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