December weather forecast
Sylvan Lake, MI

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Weather in December

December, the first month of the winter in Sylvan Lake, is also a wintry month, with an average temperature varying between 33.4°F (0.8°C) and 25°F (-3.9°C).

Temperature

With the beginning of December, the average high-temperature shows a decrease, transitioning from a frosty 45°F (7.2°C) in November to a wintry 33.4°F (0.8°C). December nights reveal a minor deviation from daytime highs, with a mean low-temperature of 25°F (-3.9°C).

Humidity

The average relative humidity in December in Sylvan Lake, Michigan, is 84%.

Rainfall

The month with the least rainfall in Sylvan Lake is December, when the rain falls for 8.9 days and typically collects 1.3" (33mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Sylvan Lake, in December, during 14.5 snowfall days, 2.72" (69mm) of snow is typically accumulated. Throughout the year, in Sylvan Lake, there are 64.7 snowfall days, and 19.13" (486mm) of snow is accumulated.

Daylight

The month with the shortest days in Sylvan Lake is December, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 7:44 am and sunset at 5:00 pm. On the last day of December, sunrise is at 8:03 am and sunset at 5:10 pm EST.

Sunshine

In December, the average sunshine is 3.3h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: An average UV index of 1 in December transforms into this advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Stay sun-safe with clothing that is both closely woven and worn loosely. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Frequently asked questions

How cold is December in Sylvan Lake?

The average high-temperature and low-temperature in Sylvan Lake during December are 33.4°F (0.8°C) and 25°F (-3.9°C) respectively.

What is the average humidity in December in Sylvan Lake?

The average relative humidity in December in Sylvan Lake is 84%.

What is the driest month in Sylvan Lake?

December is the month with the least rainfall in Sylvan Lake, Michigan. Rain falls for 8.9 days and accumulates 1.3" (33mm) of precipitation.

How much does it rain in Sylvan Lake in December?

In Sylvan Lake, in December, during 8.9 rainfall days, 1.3" (33mm) of precipitation is typically accumulated.

How many days does it snow in December in Sylvan Lake?

In Sylvan Lake, in December, snow falls for 14.5 days, with typically accumulated 2.72" (69mm) of snow.

What is the month with the shortest days in Sylvan Lake?

The month with the shortest days in Sylvan Lake, Michigan, is December, with an average of 9h and 6min of daylight.

What is the average length of the day in December in Sylvan Lake?

In December, the average day length in Sylvan Lake, Michigan, is 9h and 7min.

When is the sunrise / sunset in December in Sylvan Lake?

In December, on the first day of the month, sunrise is at 7:44 am and sunset at 5:00 pm. On the last day of the month, in Sylvan Lake, Michigan, sunrise is at 8:03 am and sunset at 5:10 pm EST.

How long on average sun shines in December in Sylvan Lake?

In December, the average sunshine duration in Sylvan Lake is 3.3h.

What are the months with the lowest UV index in Sylvan Lake?

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

What is the UV index reading in December in Sylvan Lake?

In Sylvan Lake, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health threat from unsafe 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
Sylvan Lake, MI

Average temperature in December - Sylvan Lake, MI
  • Average high temperature in December: 33.4°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 (27.7°F).

  • Average low temperature in December: 25°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

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Average pressure in December
Sylvan Lake, MI

Average pressure in December - Sylvan Lake, MI
  • Average pressure in December: 30.07"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
Sylvan Lake, MI

Average wind speed in December - Sylvan Lake, MI
  • Average wind speed in December: 9.7mph

The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

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Average humidity in December
Sylvan Lake, MI

Average humidity in December - Sylvan Lake, MI
  • Average humidity in December: 84%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in December
Sylvan Lake, MI

Average rainfall in December - Sylvan Lake, MI
  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is December (1.3").

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Average rainfall days in December
Sylvan Lake, MI

Average rainfall days in December - Sylvan Lake, MI
  • Average rainfall days in December: 8.9 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.2 days).

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Average snowfall in December
Sylvan Lake, MI

Average snowfall in December - Sylvan Lake, MI
  • Average snowfall in December: 2.72"

The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Sylvan Lake, MI

Average snowfall days in December - Sylvan Lake, MI
  • Average snowfall days in December: 14.5 days

The month with the highest number of snowfall days is January (16.9 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
Sylvan Lake, MI

Average daylight in December / Average sunshine in December - Sylvan Lake, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

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Average sunshine days in December
Sylvan Lake, MI

Average sunshine days in December - Sylvan Lake, MI
  • Average sunshine days in December: 11.5 days

The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is January (9.5 days).

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Average UV index in December
Sylvan Lake, MI

Average UV index in December - Sylvan Lake, MI
  • Average UV index in December: 1

The months with the highest UV index are 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
Sylvan Lake, MI

Average cloud cover in December - Sylvan Lake, 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
Sylvan Lake, MI

Average visibility in December - Sylvan Lake, 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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Sylvan Lake, Michigan, USA

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