December weather forecast
Dexter, MI

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Weather in December

December, the first month of the winter in Dexter, is also a wintry month, with an average temperature varying between 25.3°F (-3.7°C) and 34.3°F (1.3°C).

Temperature

Dexter's December weather comes with a decrease in average high-temperatures, moving from a frosty 45.3°F (7.4°C) in November to a cold 34.3°F (1.3°C). December introduces a small decrease to a nighttime average of 25.3°F (-3.7°C).

Humidity

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

Rainfall

The month with the least rainfall is December, when the rain falls for 8 days and typically collects 0.91" (23mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Dexter, in December, snow falls for 13.4 days, with typically accumulated 2.17" (55mm) of snow. In Dexter, during the entire year, snow falls for 61.5 days and aggregates up to 14.06" (357mm) of snow.

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 7:45 am and sunset at 5:04 pm. On the last day of December, sunrise is at 8:04 am and sunset at 5:13 pm EST.

Sunshine

In December, the average sunshine in Dexter is 3.4h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: A maximum high UV index of 1 in December translates into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold is December in Dexter?

In December, in Dexter, the average high-temperature is 34.3°F (1.3°C), and the average low-temperature is 25.3°F (-3.7°C).

What is the average humidity in December in Dexter?

The average relative humidity in December is 84%.

What is the driest month in Dexter?

The month with the least rainfall is December, when the rain falls for 8 days and typically collects 0.91" (23mm) of precipitation.

How much does it rain in Dexter in December?

In December, in Dexter, Michigan, the rain falls for 8 days. Throughout December, 0.91" (23mm) of precipitation is accumulated.

How many days does it snow in December in Dexter?

In Dexter, in December, snow falls for 13.4 days, with typically accumulated 2.17" (55mm) of snow.

What is the month with the shortest days in Dexter?

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

How many hours of daylight does Dexter have in December?

In December, the average day length in Dexter is 9h and 8min.

When is the sunrise / sunset in December in Dexter?

In December, on the first day of the month, sunrise is at 7:45 am and sunset at 5:04 pm. On the last day of the month, in Dexter, Michigan, sunrise is at 8:04 am and sunset at 5:13 pm EST.

How long on average sun shines in December in Dexter?

In Dexter, the average sunshine duration in December is 3.4h.

What is the month with the lowest UV index in Dexter?

With an average maximum UV index of 1, December is the month with the lowest UV index in Dexter, Michigan.

What is the UV index reading in December in Dexter?

In December, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents 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
Dexter, MI

Average temperature in December - Dexter, MI
  • Average high temperature in December: 34.3°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (28°F).

  • Average low temperature in December: 25.3°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 (17.1°F).

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Average pressure in December
Dexter, MI

Average pressure in December - Dexter, 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).

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Average wind speed in December
Dexter, MI

Average wind speed in December - Dexter, MI
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

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Average humidity in December
Dexter, MI

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

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in December
Dexter, MI

Average rainfall in December - Dexter, MI
  • Average rainfall in December: 0.91"

The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is December (0.91").

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Average rainfall days in December
Dexter, MI

Average rainfall days in December - Dexter, MI
  • Average rainfall days in December: 8 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (5.3 days).

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Average snowfall in December
Dexter, MI

Average snowfall in December - Dexter, MI
  • Average snowfall in December: 2.17"

The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Dexter, MI

Average snowfall days in December - Dexter, MI
  • Average snowfall days in December: 13.4 days

The month with the highest number of snowfall days is January (15.9 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
Dexter, MI

Average daylight in December / Average sunshine in December - Dexter, 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 6min).

  • Average sunshine in December: 3h and 2min

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 48min).

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Average sunshine days in December
Dexter, MI

Average sunshine days in December - Dexter, MI
  • Average sunshine days in December: 12.6 days

The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is February (10 days).

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Average UV index in December
Dexter, MI

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

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Dexter, MI

Average cloud cover in December - Dexter, MI
  • Average cloud cover in December: 65

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in December
Dexter, MI

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

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

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Dexter, Michigan, USA

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