December weather forecastSaint Ignace, MI
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Saint Ignace, Michigan, with temperature in the range of an average high of 30.2°F (-1°C) and an average low of 23°F (-5°C).Temperature
December's onset brings a reduction in the average high-temperature, from a wintry 40.3°F (4.6°C) in November to a freezing cold 30.2°F (-1°C). Saint Ignace documents a consistent average low-temperature of 23°F (-5°C) at night during December.Humidity
The average relative humidity in December is 85%.Rainfall
In Saint Ignace, in December, it is raining for 9.2 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, there are 131 rainfall days, and 21.22" (539mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Saint Ignace. In Saint Ignace, during December, snow falls for 19.2 days and regularly aggregates up to 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: In the water-based sport of swimming, this state is life-threatening and exceedingly dangerous. The freezing water causes severe discomfort, leading to rapid hyperventilation. A specialized swimsuit is compulsory to avert thermal damage.
Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 8:00 am and sunset at 4:55 pm. On the last day of December, sunrise is at 8:20 am and sunset at 5:04 pm EST.
Sunshine
The average sunshine in December is 2.3h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 1 during December translates into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
Average pressure in December
Saint Ignace, MI
- Average pressure in December: 30.02"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).
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).
Average humidity in December
Saint Ignace, MI
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (75%).
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").
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).
Average snowfall in December
Saint Ignace, MI
- Average snowfall in December: 5.59"
The month with the highest snowfall is January (5.91").
The months with the least snowfall are June, July, August and September (0").
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).
The months with the least snowfall days are June, July, August and September (0 days).
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).
Average daylight in December /
Average sunshine in December
Saint Ignace, MI
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 2h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
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).
Average UV index in December
Saint Ignace, 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, February, March, November and December (UV index 1).
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).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
Saint Ignace, MI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
