December weather forecast
Byron Center, MI

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Weather in December

The first month of the winter, December, is also an icy month in Byron Center, Michigan, with temperature in the range of an average low of 26.1°F (-3.3°C) and an average high of 33.6°F (0.9°C).

Temperature

With December's arrival, Byron Center's weather changes as the average high-temperature falls from a frosty 45.3°F (7.4°C) in November to an icy 33.6°F (0.9°C). An average low-temperature of 26.1°F (-3.3°C), slightly less than the daytime peak, marks the month of December.

Humidity

The average relative humidity in December is 84%.

Rainfall

In December, in Byron Center, the rain falls for 7.9 days. Throughout December, 1.3" (33mm) of precipitation is accumulated. In Byron Center, Michigan, during the entire year, the rain falls for 139.8 days and collects up to 19.57" (497mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Byron Center. In December, in Byron Center, it is snowing for 13.9 days. Throughout December, 2.87" (73mm) of snow is accumulated. Throughout the year, in Byron Center, there are 64.2 snowfall days, and 14.49" (368mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 6min of daylight.
On the first day of December in Byron Center, sunrise is at 7:54 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 8:13 am and sunset at 5:18 pm EST.

Sunshine

In December, the average sunshine is 3h.

UV index

The months with the lowest UV index in Byron Center are January and December, 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: The maximum UV index, 1 during December, leads to the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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Frequently asked questions

How cold is it in Byron Center in December?

Byron Center in December has an average high-temperature of 33.6°F (0.9°C) and an average low-temperature of 26.1°F (-3.3°C).

What is the average humidity in December in Byron Center?

In Byron Center, Michigan, the average relative humidity in December is 84%.

How much does it rain in Byron Center in December?

In Byron Center, in December, during 7.9 rainfall days, 1.3" (33mm) of precipitation is typically accumulated.

How many days does it snow in December in Byron Center?

In Byron Center, in December, during 13.9 snowfall days, 2.87" (73mm) of snow is typically accumulated.

What is the month with the shortest days in Byron Center?

With an average of 9h and 6min of daylight, December has the shortest days of the year in Byron Center.

What is the average length of the day in December in Byron Center?

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

When are sunrise and sunset in December in Byron Center?

In December, on the first day of the month, sunrise is at 7:54 am and sunset at 5:09 pm. On the last day of the month, in Byron Center, sunrise is at 8:13 am and sunset at 5:18 pm EST.

How long on average sun shines in December in Byron Center?

The average sunshine duration in December is 3h.

What is the month with the lowest UV index in Byron Center?

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 in Byron Center?

In Byron Center, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents 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
Byron Center, MI

Average temperature in December - Byron Center, MI
  • Average high temperature in December: 33.6°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 (27.7°F).

  • Average low temperature in December: 26.1°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

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Average pressure in December
Byron Center, MI

Average pressure in December - Byron Center, 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 (29.92"Hg).

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Average wind speed in December
Byron Center, MI

Average wind speed in December - Byron Center, MI
  • Average wind speed in December: 9.4mph

The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

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Average humidity in December
Byron Center, MI

Average humidity in December - Byron Center, MI
  • Average humidity in December: 84%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in December
Byron Center, MI

Average rainfall in December - Byron Center, MI
  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is November (1.06").

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Average rainfall days in December
Byron Center, MI

Average rainfall days in December - Byron Center, MI
  • Average rainfall days in December: 7.9 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (5.1 days).

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Average snowfall in December
Byron Center, MI

Average snowfall in December - Byron Center, MI
  • Average snowfall in December: 2.87"

The month with the highest snowfall is January (4.06").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Byron Center, MI

Average snowfall days in December - Byron Center, MI
  • Average snowfall days in December: 13.9 days

The month with the highest number of snowfall days is January (17.9 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
Byron Center, MI

Average daylight in December / Average sunshine in December - Byron Center, 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 0min

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 24min).

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Average sunshine days in December
Byron Center, MI

Average sunshine days in December - Byron Center, MI
  • Average sunshine days in December: 12.7 days

The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is January (9.7 days).

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Average UV index in December
Byron Center, MI

Average UV index in December - Byron Center, MI
  • Average UV index in December: 1

The months with the highest UV index are June, 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
Byron Center, MI

Average cloud cover in December - Byron Center, MI
  • Average cloud cover in December: 69

The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in December
Byron Center, MI

Average visibility in December - Byron Center, 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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Byron Center, Michigan, USA

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