December weather forecast
Montgomery, MI

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Weather in December

December, the first month of the winter in Montgomery, is also an icy month, with an average temperature varying between 25.7°F (-3.5°C) and 34.5°F (1.4°C).

Temperature

Montgomery's weather in December involves a decrease in the average high-temperature, moving down from November's chilly 45.5°F (7.5°C) to an icy 34.5°F (1.4°C). Montgomery records a mild decrease in temperature during the nights of December, averaging a freezing cold 25.7°F (-3.5°C).

Humidity

In December, the average relative humidity is 84%.

Rainfall

The months with the least rainfall are September, November and December Rain falls for 11 days and accumulates 1.85" (47mm) of rain.

Snowfall

Months with snowfall in Montgomery are January through May, October through December. In Montgomery, Michigan, in December, snow falls for 13.7 days, with typically accumulated 3.31" (84mm) of snow. Throughout the year, there are 61.2 snowfall days, and 19.02" (483mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of December, sunrise is at 7:47 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 5:18 pm EST.

Sunshine

In December, the average sunshine is 3.5h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: In December, a regular UV index of 1 translates into these guidelines:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Updated: Jun 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

In December, in Montgomery, the average high-temperature is 34.5°F (1.4°C), and the average low-temperature is 25.7°F (-3.5°C).

What is the average humidity in December in Montgomery?

In December, the average relative humidity is 84%.

What is the driest month in Montgomery?

The months with the least rainfall are September, November and December Rain falls for 11 days and accumulates 1.85" (47mm) of rain.

How much does it rain in December?

In December, in Montgomery, the rain falls for 11 days. Throughout December, 1.85" (47mm) of precipitation is accumulated.

How many days does it snow in December?

In Montgomery, in December, snow falls for 13.7 days, with typically accumulated 3.31" (84mm) of snow.

What is the month with the shortest days in Montgomery?

With an average of 9h and 12min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In December, the average day length is 9h and 12min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:47 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 5:18 pm EST.

How many hours of sunshine does Montgomery have in December?

The average sunshine duration in December is 3.5h.

When is the lowest UV index?

The month with the lowest UV index is December, with an average maximum UV index of 1.

What is the UV index reading in December in Montgomery?

The average daily maximum UV index in December in Montgomery is 1. A UV Index value of 2, and less, symbolizes a low health threat 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
Montgomery, MI

Average temperature in December - Montgomery, MI
  • Average high temperature in December: 34.5°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in December: 25.7°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).

Average pressure in December
Montgomery, MI

Average pressure in December - Montgomery, MI
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Montgomery, MI

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

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in December
Montgomery, MI

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

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are March, April and October (77%).

Average rainfall in December
Montgomery, MI

Average rainfall in December - Montgomery, MI
  • Average rainfall in December: 1.85"

The wettest month (with the highest rainfall) is April (3.98").
The driest months (with the least rainfall) are September, November and December (1.85").

Average rainfall days in December
Montgomery, MI

Average rainfall days in December - Montgomery, MI
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is February (7.7 days).

Average snowfall in December
Montgomery, MI

Average snowfall in December - Montgomery, MI
  • Average snowfall in December: 3.31"

The month with the highest snowfall is January (4.72").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Montgomery, MI

Average snowfall days in December - Montgomery, MI
  • Average snowfall days in December: 13.7 days

The month with the highest number of snowfall days is January (16 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Montgomery, 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in December
Montgomery, MI

Average sunshine days in December - Montgomery, MI
  • Average sunshine days in December: 10.4 days

The month with the most sunshine days is November (13.8 days).
The month with the least sunshine days is February (8.3 days).

Average UV index in December
Montgomery, MI

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

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

Average cloud cover in December
Montgomery, MI

Average cloud cover in December - Montgomery, MI
  • Average cloud cover in December: 64

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
Montgomery, MI

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

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

Montgomery, Michigan, USA

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