December weather forecast
Sylvan Lake, MI

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Weather in December

The first month of the winter, December, is still a cold month in Sylvan Lake, Michigan, with temperature in the range of an average high of 33.4°F (0.8°C) and an average low of 25°F (-3.9°C).

Temperature

With December's onset, the average high-temperature recedes from November's frosty 45°F (7.2°C) to a cold 33.4°F (0.8°C). A mean low-temperature of 25°F (-3.9°C) is anticipated during the month of December, a slight step down from the daytime high.

Humidity

The average relative humidity in December is 84%.

Rainfall

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

Snowfall

January through May, October through December are months with snowfall in Sylvan Lake. In Sylvan Lake, in December, snow falls for 14.5 days, with typically accumulated 2.72" (69mm) of snow. Throughout the year, in Sylvan Lake, there are 64.7 snowfall days, and 19.13" (486mm) 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 the month, sunrise is at 7:44 am and sunset at 5:00 pm. On the last day of December, in Sylvan Lake, sunrise is at 8:03 am and sunset at 5:10 pm EST.

Sunshine

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

UV index

The months with the lowest UV index are January and 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 rays for average individuals.
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. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Jun 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

During December, Sylvan Lake experiences an average high-temperature of 33.4°F (0.8°C) and a low-temperature of 25°F (-3.9°C).

What is the average humidity in December?

In December, the average relative humidity is 84%.

What is the driest month?

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

How much does it rain in December?

In Sylvan Lake, Michigan, 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 December, during 14.5 snowfall days, 2.72" (69mm) of snow is typically accumulated.

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

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

How many hours of daylight does Sylvan Lake have in December?

In December, the average day length 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, sunrise is at 8:03 am and sunset at 5:10 pm EST.

How many hours of sunshine does Sylvan Lake have in December?

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

What is the month with the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Sylvan Lake, Michigan, USA

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