December weather forecast
Bay Port, MI

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Weather in December

December, the first month of the winter in Bay Port, is also an icy month, with an average temperature varying between 26.2°F (-3.2°C) and 32.9°F (0.5°C).

Temperature

The shift from November to December involves a decrease in the average high-temperature, dropping from a chilly 43.5°F (6.4°C) to an icy 32.9°F (0.5°C). Nighttime temperatures hover around an average low of 26.2°F (-3.2°C) in December, a slight descent from daytime highs.

Humidity

In Bay Port, the average relative humidity in December is 82%.

Rainfall

In Bay Port, during December, the rain falls for 9.2 days and regularly aggregates up to 1.34" (34mm) of precipitation. In Bay Port, during the entire year, the rain falls for 150.8 days and collects up to 22.99" (584mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Bay Port. In Bay Port, during December, snow falls for 15.4 days and regularly aggregates up to 3.5" (89mm) of snow. In Bay Port, during the entire year, snow falls for 70.3 days and aggregates up to 16.77" (426mm) of snow.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:48 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 8:07 am and sunset at 5:06 pm EST.

Sunshine

In Bay Port, the average sunshine in December is 3.1h.

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 low health risk from unsafe exposure to UV radiation for the average person.
Note: The average daily UV index of 1 in December transforms into the following instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.

Frequently asked questions

How cold is December?

The high-temperature during December is 32.9°F (0.5°C) and the low-temperature is 26.2°F (-3.2°C).

What is the average humidity in December?

In Bay Port, the average relative humidity in December is 82%.

How many days does it rain in December?

In December, the rain falls for 9.2 days. Throughout December, 1.34" (34mm) of precipitation is accumulated.

How much does it snow in December?

In Bay Port, in December, during 15.4 snowfall days, 3.5" (89mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 0min of daylight.

How many hours of daylight does Bay Port have in December?

The average day length in December is 8h and 58min.

When are sunrise and sunset in December in Bay Port?

On the first day of December, sunrise is at 7:48 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 8:07 am and sunset at 5:06 pm EST.

How long on average sun shines in December?

In Bay Port, Michigan, the average sunshine duration in December is 3.1h.

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.

How high is the UV index in December?

In Bay Port, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Bay Port, MI

Average temperature in December - Bay Port, MI
  • Average high temperature in December: 32.9°F

The warmest month (with the highest average high temperature) is July (75.4°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in December: 26.2°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure in December
Bay Port, MI

Average pressure in December - Bay Port, MI
  • Average pressure in December: 30.05"Hg

The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Bay Port, MI

Average wind speed in December - Bay Port, MI
  • Average wind speed in December: 11.9mph

The windiest months (with the highest average wind speed) are January and December (11.9mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).

Average humidity in December
Bay Port, MI

Average humidity in December - Bay Port, MI
  • Average humidity in December: 82%

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

Average rainfall in December
Bay Port, MI

Average rainfall in December - Bay Port, MI
  • Average rainfall in December: 1.34"

The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is February (1.26").

Average rainfall days in December
Bay Port, MI

Average rainfall days in December - Bay Port, MI
  • Average rainfall days in December: 9.2 days

The month with the highest number of rainy days is October (16.3 days).
The month with the least rainy days is February (5.3 days).

Average snowfall in December
Bay Port, MI

Average snowfall in December - Bay Port, MI
  • Average snowfall in December: 3.5"

The month with the highest snowfall is January (3.9").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Bay Port, MI

Average snowfall days in December - Bay Port, MI
  • Average snowfall days in December: 15.4 days

The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Bay Port, MI

Average daylight in December / Average sunshine in December - Bay Port, MI
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 3h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

Average sunshine days in December
Bay Port, MI

Average sunshine days in December - Bay Port, MI
  • Average sunshine days in December: 8.7 days

The month with the most sunshine days is September (15 days).
The months with the least sunshine days are February and December (8.7 days).

Average UV index in December
Bay Port, MI

Average UV index in December - Bay Port, MI
  • Average UV index in December: 1

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

Average cloud cover in December
Bay Port, MI

Average cloud cover in December - Bay Port, MI
  • Average cloud cover in December: 68

The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in December
Bay Port, MI

Average visibility in December - Bay Port, MI
  • Average visibility in December: 6mi

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

Bay Port, Michigan, USA

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