Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December comes with a drop in the average high-temperature, falling from November's 42.1°F (5.6°C) to a still cold 32.2°F (0.1°C). Maintaining close parity with daytime warmth, the average nocturnal temperature during December stays at a subzero cold 26.6°F (-3°C).Humidity
The average relative humidity in December is 83%.Rainfall
In December, the rain falls for 7.7 days. Throughout December, 2.17" (55mm) of precipitation is accumulated. Throughout the year, there are 135.6 rainfall days, and 24.25" (616mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Glen Arbor, in December, snow falls for 17.2 days, with typically accumulated 5.75" (146mm) of snow. In Glen Arbor, during the entire year, snow falls for 79.9 days and aggregates up to 27.05" (687mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 8:02 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 8:21 am and sunset at 5:12 pm EST.
Sunshine
In December, the average sunshine is 2.2h.UV index
The months with the lowest UV index are January, February, 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 rays for the average person.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Glen Arbor have in December?
What is the month with the lowest UV index in Glen Arbor?
What is the UV index reading in December?
Average temperature in December
Glen Arbor, MI
- Average high temperature in December: 32.2°F
The warmest month (with the highest average high temperature) is August (72.1°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is February (19.6°F).
Average pressure in December
Glen Arbor, MI
- Average pressure in December: 30.04"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
Glen Arbor, MI
- Average wind speed in December: 13.5mph
The windiest months (with the highest average wind speed) are January and December (13.5mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).
Average humidity in December
Glen Arbor, MI
- Average humidity in December: 83%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in December
Glen Arbor, MI
- Average rainfall in December: 2.17"
The wettest month (with the highest rainfall) is October (2.87").
The driest months (with the least rainfall) are February and March (1.54").
Average rainfall days in December
Glen Arbor, MI
- Average rainfall days in December: 7.7 days
The month with the highest number of rainy days is October (17 days).
The month with the least rainy days is February (4 days).
Average snowfall in December
Glen Arbor, MI
- Average snowfall in December: 5.75"
The month with the highest snowfall is January (5.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Glen Arbor, MI
- Average snowfall days in December: 17.2 days
The month with the highest number of snowfall days is January (19.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Glen Arbor, MI
- Average daylight in December: 8h and 5min
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 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).
Average sunshine days in December
Glen Arbor, MI
- Average sunshine days in December: 7.1 days
The month with the most sunshine days is May (14.5 days).
The month with the least sunshine days is January (5.6 days).
Average UV index in December
Glen Arbor, 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
Glen Arbor, MI
- Average cloud cover in December: 79
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Glen Arbor, 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).
Glen Arbor, Michigan, USA
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