December weather forecastSpruce, MI
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Spruce, Michigan, with an average temperature ranging between max 31.8°F (-0.1°C) and min 25.3°F (-3.7°C).Temperature
Start of December brings a shift in the average high-temperature, falling from November's icy 42.3°F (5.7°C) to a subzero cold 31.8°F (-0.1°C). Spruce observes an average low-temperature of 25.3°F (-3.7°C) during the slightly cooler nights of December.Humidity
In December, the average relative humidity in Spruce is 82%.Rainfall
In December, the rain falls for 8.4 days. Throughout December, 0.94" (24mm) of precipitation is accumulated. In Spruce, during the entire year, the rain falls for 119.4 days and collects up to 13.9" (353mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Spruce. In Spruce, during December, snow falls for 16.5 days and regularly aggregates up to 2.52" (64mm) of snow. Throughout the year, in Spruce, there are 82.7 snowfall days, and 14.61" (371mm) of snow is accumulated.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:52 am and sunset at 4:54 pm. On the last day of December, sunrise is at 8:11 am and sunset at 5:02 pm EST.
Sunshine
The average sunshine in December in Spruce, Michigan, is 2.4h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Spruce. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
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 harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Spruce, MI
- Average high temperature in December: 31.8°F
The warmest month (with the highest average high temperature) is July (74.1°F).
The month with the lowest average high temperature is January (25.9°F).
- Average low temperature in December: 25.3°F
The month with the highest average low temperature is August (60.3°F).
The coldest months (with the lowest average low temperature) are January and February (18°F).
Average pressure in December
Spruce, MI
- Average pressure in December: 30.03"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
Spruce, MI
- Average wind speed in December: 11.1mph
The windiest months (with the highest average wind speed) are January and December (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in December
Spruce, MI
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (73%).
Average rainfall in December
Spruce, MI
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in December
Spruce, MI
- Average rainfall days in December: 8.4 days
The month with the highest number of rainy days is October (14.3 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in December
Spruce, MI
- Average snowfall in December: 2.52"
The month with the highest snowfall is January (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Spruce, MI
- Average snowfall days in December: 16.5 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Spruce, MI
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 2h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).
Average sunshine days in December
Spruce, MI
- Average sunshine days in December: 10.7 days
The month with the most sunshine days is May (17.8 days).
The month with the least sunshine days is January (8.4 days).
Average UV index in December
Spruce, 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, November and December (UV index 1).
Average cloud cover in December
Spruce, MI
- Average cloud cover in December: 75
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Spruce, MI
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
