December weather forecastSparta, MI
December
Weather in December
The first month of the winter, December, is also an icy month in Sparta, Michigan, with an average temperature fluctuating between 25.7°F (-3.5°C) and 33.3°F (0.7°C).Temperature
In December, the meteorological conditions alter, with the average high-temperature shifting from a frosty 44.6°F (7°C) in November to a cold 33.3°F (0.7°C). Sparta's nighttime temperatures in December reveal a minimal variation from the daytime highs, averaging at a subzero cold 25.7°F (-3.5°C).Humidity
In December, the average relative humidity is 85%.Rainfall
In December, in Sparta, Michigan, the rain falls for 9.1 days. Throughout December, 2.05" (52mm) of precipitation is accumulated. In Sparta, during the entire year, the rain falls for 154.5 days and collects up to 26.69" (678mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Sparta. In Sparta, in December, snow falls for 17.5 days, with typically accumulated 5.63" (143mm) of snow. In Sparta, during the entire year, snow falls for 78.9 days and aggregates up to 27.36" (695mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:55 am and sunset at 5:08 pm. On the last day of December, sunrise is at 8:14 am and sunset at 5:17 pm EST.
Sunshine
In December, the average sunshine is 2.9h.UV index
The months with the lowest UV index are January, 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 radiation for ordinary individuals.Note: The maximum daily UV index of 1 during December translates into the following directions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sparta, MI
- Average high temperature in December: 33.3°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
Sparta, MI
- Average pressure in December: 30.06"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
Sparta, MI
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in December
Sparta, MI
- Average humidity in December: 85%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Sparta, MI
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in December
Sparta, MI
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in December
Sparta, MI
- Average snowfall in December: 5.63"
The month with the highest snowfall is January (8.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sparta, MI
- Average snowfall days in December: 17.5 days
The month with the highest number of snowfall days is January (21.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sparta, 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: 2h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
Sparta, MI
- Average sunshine days in December: 8.2 days
The month with the most sunshine days is September (15.5 days).
The months with the least sunshine days are January and February (7.5 days).
Average UV index in December
Sparta, MI
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Sparta, MI
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Sparta, MI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
