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's arrival comes with a decrease in the average high-temperature, moving from an icy 41.2°F (5.1°C) in November to a freezing cold 30°F (-1.1°C). The nighttime temperature in December experiences a minor dip, averaging a still subzero cold 22.3°F (-5.4°C).Humidity
In December, the average relative humidity is 88%.Rainfall
In Boon, in December, it is raining for 7.5 days, with typically 2.13" (54mm) of accumulated precipitation. In Boon, during the entire year, the rain falls for 146.4 days and collects up to 27.05" (687mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Boon, in December, during 20.3 snowfall days, 8.15" (207mm) of snow is typically accumulated. Throughout the year, there are 100.4 snowfall days, and 41.69" (1059mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:58 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 8:17 am and sunset at 5:13 pm EST.
Sunshine
In Boon, the average sunshine in December is 2.1h.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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 1 in December translates into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. When the Sun is at its strongest around midday, find shade and limit exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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 many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Boon have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Boon have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Boon, MI
- Average high temperature in December: 30°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (23.9°F).
- Average low temperature in December: 22.3°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in December
Boon, MI
- Average pressure in December: 30.05"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
Boon, MI
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in December
Boon, MI
- Average humidity in December: 88%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in December
Boon, MI
- Average rainfall in December: 2.13"
The wettest month (with the highest rainfall) is October (3.46").
The driest month (with the least rainfall) is February (1.65").
Average rainfall days in December
Boon, MI
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in December
Boon, MI
- Average snowfall in December: 8.15"
The month with the highest snowfall is January (10.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Boon, MI
- Average snowfall days in December: 20.3 days
The month with the highest number of snowfall days is January (23.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Boon, 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: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 1h and 42min).
Average sunshine days in December
Boon, MI
- Average sunshine days in December: 7.5 days
The month with the most sunshine days is September (13.3 days).
The month with the least sunshine days is January (6 days).
Average UV index in December
Boon, 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
Boon, MI
- Average cloud cover in December: 78
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in December
Boon, MI
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Boon, Michigan, USA
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