December weather forecastSterling Heights, MI
December
Weather in December
December ushers in a deep winter in Sterling Heights, Michigan, featuring snowy landscapes. Temperature drops between 26.4°F (-3.1°C) to 34.9°F (1.6°C), and snow becomes frequent. Sunshine hours reduce significantly, letting cloud cover dominate the sky. Crisp winter winds often accompany the snowfall. In this festive season, Sterling Heights turns into a winter wonderland.Temperature
Onset of December comes with a temperature decline, the average high falling from a chilly 45.5°F (7.5°C) in November to a cold 34.9°F (1.6°C). In Sterling Heights, a slight decrease from the daytime peak is noted during the month of December, with an average low-temperature of 26.4°F (-3.1°C).Humidity
In December, the average relative humidity is 82%.Rainfall
The month with the least rainfall is December, when the rain falls for 7.9 days and typically collects 1.3" (33mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Sterling Heights, Michigan, during December, snow falls for 12.4 days and regularly aggregates up to 2.52" (64mm) of snow. In Sterling Heights, during the entire year, snow falls for 53.7 days and aggregates up to 17.24" (438mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:43 am and sunset at 4:59 pm. On the last day of December, sunrise is at 8:01 am and sunset at 5:08 pm EST.
Sunshine
In Sterling Heights, the average sunshine in December is 3.5h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, an average UV index of 1 transforms into the following instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sterling Heights, MI
- Average high temperature in December: 34.9°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in December: 26.4°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in December
Sterling Heights, MI
- Average pressure in December: 30.07"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Sterling Heights, MI
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in December
Sterling Heights, MI
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are July and August (73%).
Average rainfall in December
Sterling Heights, MI
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is December (1.3").
Average rainfall days in December
Sterling Heights, MI
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in December
Sterling Heights, MI
- Average snowfall in December: 2.52"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sterling Heights, MI
- Average snowfall days in December: 12.4 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sterling Heights, MI
- Average daylight in December: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 3h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Sterling Heights, MI
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in December
Sterling Heights, MI
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Sterling Heights, MI
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in December
Sterling Heights, 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).





