December weather forecastSidnaw, MI
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Sidnaw, Michigan, with an average temperature varying between 18.7°F (-7.4°C) and 26.6°F (-3°C).Temperature
In Sidnaw, the average high-temperature in December decreases from a wintry 37.2°F (2.9°C) in November to a freezing cold 26.6°F (-3°C). Sidnaw's evenings during December maintain an average temperature of 18.7°F (-7.4°C), aligning closely with the daytime temperatures.Humidity
In December, the average relative humidity is 87%.Rainfall
In Sidnaw, Michigan, in December, during 5.5 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. In Sidnaw, during the entire year, the rain falls for 125.7 days and collects up to 21.61" (549mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Sidnaw, in December, during 22.6 snowfall days, 9.61" (244mm) of snow is typically accumulated. Throughout the year, there are 115.5 snowfall days, and 51.93" (1319mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 8:18 am and sunset at 5:09 pm. On the last day of December, sunrise is at 8:38 am and sunset at 5:17 pm EST.
Sunshine
In Sidnaw, the average sunshine in December is 2h.UV index
January, February, October through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 1 suggests this advice:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sidnaw, MI
- Average high temperature in December: 26.6°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 (21.2°F).
- Average low temperature in December: 18.7°F
The months with the highest average low temperature are July and August (55.4°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in December
Sidnaw, 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
Sidnaw, MI
- Average wind speed in December: 9.6mph
The windiest months (with the highest average wind speed) are January, November and December (9.6mph).
The calmest months (with the lowest average wind speed) are June and July (7mph).
Average humidity in December
Sidnaw, MI
- Average humidity in December: 87%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Sidnaw, MI
- Average rainfall in December: 1.65"
The wettest month (with the highest rainfall) is April (2.52").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in December
Sidnaw, MI
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in December
Sidnaw, MI
- Average snowfall in December: 9.61"
The month with the highest snowfall is February (10").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sidnaw, MI
- Average snowfall days in December: 22.6 days
The month with the highest number of snowfall days is January (25.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Sidnaw, MI
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 2h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).
Average sunshine days in December
Sidnaw, MI
- Average sunshine days in December: 6 days
The month with the most sunshine days is July (14.8 days).
The month with the least sunshine days is January (5.1 days).
Average UV index in December
Sidnaw, MI
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 1).
Average cloud cover in December
Sidnaw, MI
- Average cloud cover in December: 80
The month with the most cloud cover is January (Cloud cover 84).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Sidnaw, MI
- Average visibility in December: 5mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (4mi).





