December weather forecast and climate
Saint Ignace, MI

Weather in December

The first month of the winter, December, is also a subzero cold month in Saint Ignace, Michigan, with average temperature ranging between min 23°F (-5°C) and max 30.2°F (-1°C).

Temperature

In Saint Ignace, the average high-temperature drops, from a wintry 40.3°F (4.6°C) in November, to a freezing cold 30.2°F (-1°C). In Saint Ignace, in December, the average low-temperature is 23°F (-5°C).

Humidity

In Saint Ignace, the average relative humidity is 85%.

Rainfall

In Saint Ignace, during December, the rain falls for 9.2 days and regularly aggregates up to 1.73" (44mm) of precipitation. In Saint Ignace, during the entire year, the rain falls for 131 days and collects up to 21.22" (539mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Saint Ignace, snow falls for 19.2 days, with typically accumulated 5.59" (142mm) of snow. In Saint Ignace, during the entire year, snow falls for 93.6 days, and aggregates up to 27.91" (709mm) of snow.

Ocean temperature

In December, the average ocean temperature is 40.3°F (4.6°C).
Note: For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

Daylight

The month with the shortest days in Saint Ignace is December, with an average of 8.7h of daylight.

Sunshine

In Saint Ignace, the average sunshine in December is 2.3h.

UV index

January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Saint Ignace. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 1 interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What is the average humidity in December in Saint Ignace?

In December, the average relative humidity in Saint Ignace is 85%.

How much does it rain in Saint Ignace in December?

In Saint Ignace, in December, during 9.2 rainfall days, 1.73" (44mm) of precipitation is typically accumulated.

How many days does it snow in December in Saint Ignace?

In December, in Saint Ignace, it is snowing for 19.2 days. Throughout December, 5.59" (142mm) of snow is accumulated.

What is the water temperature in December in Saint Ignace?

In December, the average ocean temperature in Saint Ignace is 40.3°F (4.6°C). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

What is the month with the shortest days in Saint Ignace?

With an average of 8.7h of daylight, December has the shortest days of the year in Saint Ignace.

How many hours of daylight does Saint Ignace have in December?

In December, the average length of the day in Saint Ignace is 8.7h.

How many hours of sunshine does Saint Ignace have in December?

In December, the average sunshine is 2.3h.

When is the lowest UV index in Saint Ignace?

Months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1.

What is the UV index intensity in December in Saint Ignace?

In December, the average daily maximum UV index in Saint Ignace, Michigan, is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from the exposure to the Sun's UV radiation.

Average temperature in December
Saint Ignace, MI

Average temperature in December - Saint Ignace, MI
  • Average high temperature in December: 30.2°F

The warmest month (with the highest average high temperature) is July (71.4°F).
The month with the lowest average high temperature is January (23.4°F).

  • Average low temperature in December: 23°F

The month with the highest average low temperature is August (58.6°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).

[Resources]

Average pressure in December
Saint Ignace, MI

Average pressure in December - Saint Ignace, MI
  • Average pressure in December: 30.02"

The month with the highest atmospheric pressure is March (30.09").
The month with the lowest atmospheric pressure is June (29.92").

[Resources]

Average wind speed in December
Saint Ignace, MI

Average wind speed in December - Saint Ignace, MI
  • Average wind speed in December: 10.9mph

The windiest months (with the highest average wind speed) are November and December (10.9mph).
The calmest months (with the lowest average wind speed) are June and July (7.6mph).

[Resources]

Average humidity in December
Saint Ignace, MI

Average humidity in December - Saint Ignace, MI
  • Average humidity in December: 85%

Months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (75%).

[Resources]

Average rainfall in December
Saint Ignace, MI

Average rainfall in December - Saint Ignace, MI
  • Average rainfall in December: 1.73"

The wettest month (with the highest rainfall) is October (2.72").
The driest month (with the least rainfall) is January (1.3").

[Resources]

Average rainfall days in December
Saint Ignace, MI

Average rainfall days in December - Saint Ignace, MI
  • Average rainfall days in December: 9.2 days

The month with the highest number of rainy days is October (16.5 days).
The month with the least rainy days is February (5.3 days).

[Resources]

Average snowfall in December
Saint Ignace, MI

Average snowfall in December - Saint Ignace, MI
  • Average snowfall in December: 5.59"

The month with the highest snowfall is January (5.91").
Months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in December
Saint Ignace, MI

Average snowfall days in December - Saint Ignace, MI
  • Average snowfall days in December: 19.2 days

The month with the highest number of snowfall days is January (21.9 days).
Months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average sea temperature in December
Saint Ignace, MI

Average sea temperature in December - Saint Ignace, MI
  • Average sea temperature in December: 40.3°F

The best month for swimming (with the highest average sea temperature) is August (68.6°F).
The coldest month (with the lowest average sea temperature) is March (33.1°F).

[Resources]

Average daylight in December /
Average sunshine in December
Saint Ignace, MI

Average daylight in December / Average sunshine in December - Saint Ignace, MI
  • Average daylight in December: 8.7h

The month with the longest days is June (Average daylight: 15.7h).
The month with the shortest days is December (Average daylight: 8.7h).

  • Average sunshine in December: 2.3h

The month with the most sunshine is July (Average sunshine: 10.1h).
The month with the least sunshine is January (Average sunshine: 1.9h).

[Resources]

Average sunshine days in December
Saint Ignace, MI

Average sunshine days in December - Saint Ignace, MI
  • Average sunshine days in December: 7.6 days

The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is January (7.1 days).

[Resources]

Average UV index in December
Saint Ignace, MI

Average UV index in December - Saint Ignace, MI
  • Average UV index in December: 1

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February, March, November and December (UV index 1).

[Resources]

Average cloud cover in December
Saint Ignace, MI

Average cloud cover in December - Saint Ignace, MI
  • Average cloud cover in December: 75

The month with the most cloud cover is January (Cloud cover 80).
Months with the least cloud cover are July and August (Cloud cover 32).

[Resources]

Average visibility in December
Saint Ignace, MI

Average visibility in December - Saint Ignace, MI
  • Average visibility in December: 5mi

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

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location