December weather forecastArnold, MI
December
Weather in December
December, the first month of the winter in Arnold, is still a freezing cold month, with an average temperature ranging between max 27.1°F (-2.7°C) and min 19.2°F (-7.1°C).Temperature
December's onset brings a slight change in high-temperatures, falling from a cold 37.9°F (3.3°C) in November to a subzero cold 27.1°F (-2.7°C). The nighttime temperature in December experiences a minor dip, averaging a still freezing cold 19.2°F (-7.1°C).Humidity
The average relative humidity in December in Arnold is 86%.Rainfall
In Arnold, during December, the rain falls for 8.1 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Arnold, during the entire year, the rain falls for 133.2 days and collects up to 23.19" (589mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. December is the month with the most snowfall in Arnold. Snow falls for 21.8 days and accumulates 9.09" (231mm) of snow.Daylight
December has the shortest days of the year in Arnold, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 8:12 am and sunset at 5:06 pm. On the last day of December, in Arnold, sunrise is at 8:31 am and sunset at 5:14 pm EST.
Sunshine
In Arnold, the average sunshine in December is 2.6h.UV index
The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. It's recommended to limit sun exposure when its radiation is at its peak during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Arnold, MI
- Average high temperature in December: 27.1°F
The warmest month (with the highest average high temperature) is July (73.8°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in December: 19.2°F
The month with the highest average low temperature is August (56.1°F).
The coldest months (with the lowest average low temperature) are January and February (12.9°F).
Average pressure in December
Arnold, MI
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is March (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Arnold, MI
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest months (with the lowest average wind speed) are June, July and August (7.3mph).
Average humidity in December
Arnold, MI
- Average humidity in December: 86%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (73%).
Average rainfall in December
Arnold, MI
- Average rainfall in December: 1.65"
The wettest month (with the highest rainfall) is April (2.6").
The driest month (with the least rainfall) is January (1.3").
Average rainfall days in December
Arnold, MI
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is August (15.7 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in December
Arnold, MI
- Average snowfall in December: 9.09"
The month with the highest snowfall is December (9.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Arnold, MI
- Average snowfall days in December: 21.8 days
The month with the highest number of snowfall days is January (24 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Arnold, 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 36min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in December
Arnold, MI
- Average sunshine days in December: 6.9 days
The month with the most sunshine days is September (13.9 days).
The month with the least sunshine days is January (5.9 days).
Average UV index in December
Arnold, MI
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in December
Arnold, MI
- Average cloud cover in December: 72
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Arnold, 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, February, March, April, November and December (5mi).





