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 indicates a shift in the average high-temperature, from November's chilly 45.5°F (7.5°C) to a wintry 35.1°F (1.7°C). December's average low-temperature is a freezing cold 29.1°F (-1.6°C), reflecting a minor difference from the day's peak temperatures.Humidity
In Glenn, the average relative humidity in December is 82%.Rainfall
In Glenn, in December, during 8.7 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. Throughout the year, there are 151.7 rainfall days, and 26.18" (665mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. In Glenn, during December, snow falls for 12.3 days and regularly aggregates up to 2.4" (61mm) of snow. In Glenn, during the entire year, snow falls for 56.6 days and aggregates up to 13.82" (351mm) of snow.Daylight
The month with the shortest days in Glenn, Michigan, is December, with an average of 9h and 6min of daylight.On the first day of December in Glenn, sunrise is at 7:55 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 8:14 am and sunset at 5:21 pm EST.
Sunshine
In December, the average sunshine is 3.1h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Glenn. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: In December, a daily UV index of 1 turns into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
How cold is it in Glenn in December?
What is the average humidity in December in Glenn?
How many days does it rain in December in Glenn?
How many days does it snow in December in Glenn?
What is the month with the shortest days in Glenn?
What is the average length of the day in December in Glenn?
What time are sunrise and sunset in December in Glenn?
How many hours of sunshine does Glenn have in December?
When is the lowest UV index in Glenn?
What is the UV index reading in December in Glenn?
Average temperature in December
Glenn, MI
- Average high temperature in December: 35.1°F
The warmest months (with the highest average high temperature) are July and August (75.7°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 29.1°F
The months with the highest average low temperature are July and August (64.6°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in December
Glenn, MI
- Average pressure in December: 30.07"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
Glenn, MI
- Average wind speed in December: 12.4mph
The windiest month (with the highest average wind speed) is January (12.8mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in December
Glenn, MI
- Average humidity in December: 82%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in December
Glenn, MI
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is February (1.46").
Average rainfall days in December
Glenn, MI
- Average rainfall days in December: 8.7 days
The month with the highest number of rainy days is October (17 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in December
Glenn, MI
- Average snowfall in December: 2.4"
The month with the highest snowfall is February (4.06").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Glenn, MI
- Average snowfall days in December: 12.3 days
The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Glenn, MI
- Average daylight in December: 9h and 1min
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 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
Glenn, MI
- Average sunshine days in December: 10.3 days
The month with the most sunshine days is March (14.7 days).
The month with the least sunshine days is January (7.2 days).
Average UV index in December
Glenn, 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 and December (UV index 1).
Average cloud cover in December
Glenn, MI
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 25).
Average visibility in December
Glenn, MI
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Glenn, Michigan, USA
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