December weather forecast
Gibraltar, MI

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Weather in December

The first month of the winter, December, is also an icy month in Gibraltar, Michigan, with an average temperature fluctuating between 28.4°F (-2°C) and 35.8°F (2.1°C).

Temperature

In Gibraltar, the beginning of December is marked by a lowered average high-temperature, shifting from November's chilly 45.7°F (7.6°C) to a wintry 35.8°F (2.1°C). Gibraltar consistently logs a low temperature averaging a freezing cold 28.4°F (-2°C) during December, a modest drop from daytime temperatures.

Humidity

The average relative humidity in December in Gibraltar is 82%.

Rainfall

The month with the least rainfall in Gibraltar is December, when the rain falls for 7.7 days and typically collects 1.26" (32mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. In Gibraltar, Michigan, during December, snow falls for 6.7 days and regularly aggregates up to 1.57" (40mm) of snow. Throughout the year, there are 37.5 snowfall days, and 12.24" (311mm) of snow is accumulated.

Ocean temperature

In Gibraltar, in December, the average water temperature is 38.1°F (3.4°C).
Note: In water-based activities like swimming, this poses significant life risks. The cold water results in agonizing discomfort and quick hyperventilation. A specialized swimsuit is crucial to reduce the potential thermal damage.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of December, sunrise is at 7:42 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:11 pm EST.

Sunshine

The average sunshine in December in Gibraltar is 3.6h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the maximum UV index of 1 translates into these guidelines:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. 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 Gibraltar?

The high-temperature, in December, in Gibraltar, is 35.8°F (2.1°C), while the low-temperature averages to 28.4°F (-2°C).

What is the average humidity in December in Gibraltar?

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

What is the driest month in Gibraltar?

December is the month with the least rainfall. Rain falls for 7.7 days and accumulates 1.26" (32mm) of precipitation.

How many days does it rain in December in Gibraltar?

In December, the rain falls for 7.7 days. Throughout December, 1.26" (32mm) of precipitation is accumulated.

How many days does it snow in December in Gibraltar?

In Gibraltar, Michigan, in December, snow falls for 6.7 days, with typically accumulated 1.57" (40mm) of snow.

How cold is the water in December in Gibraltar?

In Gibraltar, Michigan, in December, the average water temperature is 38.1°F (3.4°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

What is the month with the shortest days in Gibraltar?

With an average of 9h and 12min of daylight, December has the shortest days of the year in Gibraltar, Michigan.

How many hours of daylight does Gibraltar have in December?

In December, the average day length in Gibraltar is 9h and 10min.

When are sunrise and sunset in December in Gibraltar?

In December, on the first day of the month, sunrise is at 7:42 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:11 pm EST.

How many hours of sunshine does Gibraltar have in December?

In Gibraltar, Michigan, the average sunshine duration in December is 3.6h.

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

The month with the lowest UV index in Gibraltar is December, with an average maximum UV index of 1.

How high is the UV index in December in Gibraltar?

In Gibraltar, Michigan, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health risk 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
Gibraltar, MI

Average temperature in December - Gibraltar, MI
  • Average high temperature in December: 35.8°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in December: 28.4°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in December
Gibraltar, MI

Average pressure in December - Gibraltar, MI
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Gibraltar, MI

Average wind speed in December - Gibraltar, MI
  • Average wind speed in December: 10.7mph

The windiest months (with the highest average wind speed) are January and November (10.8mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

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Average humidity in December
Gibraltar, MI

Average humidity in December - Gibraltar, MI
  • Average humidity in December: 82%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in December
Gibraltar, MI

Average rainfall in December - Gibraltar, MI
  • Average rainfall in December: 1.26"

The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is December (1.26").

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Average rainfall days in December
Gibraltar, MI

Average rainfall days in December - Gibraltar, MI
  • Average rainfall days in December: 7.7 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (6.5 days).

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Average snowfall in December
Gibraltar, MI

Average snowfall in December - Gibraltar, MI
  • Average snowfall in December: 1.57"

The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Gibraltar, MI

Average snowfall days in December - Gibraltar, MI
  • Average snowfall days in December: 6.7 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average sea temperature in December
Gibraltar, MI

Average sea temperature in December - Gibraltar, MI
  • Average sea temperature in December: 38.2°F

The best month for swimming (with the highest average sea temperature) is August (75.4°F).
The coldest month (with the lowest average sea temperature) is February (32.7°F).

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Average daylight in December /
Average sunshine in December
Gibraltar, MI

Average daylight in December / Average sunshine in December - Gibraltar, 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 12min).

  • Average sunshine in December: 3h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

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Average sunshine days in December
Gibraltar, MI

Average sunshine days in December - Gibraltar, MI
  • Average sunshine days in December: 16.8 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (10.3 days).

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Average UV index in December
Gibraltar, MI

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

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Gibraltar, MI

Average cloud cover in December - Gibraltar, MI
  • Average cloud cover in December: 62

The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 28).

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Average visibility in December
Gibraltar, MI

Average visibility in December - Gibraltar, MI
  • Average visibility in December: 6mi

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

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Gibraltar, Michigan, USA

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