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
Onset of December comes with a temperature decline, the average high falling from a chilly 44.8°F (7.1°C) in November to a cold 33.3°F (0.7°C). In Henderson, the nightly December temperatures experience a slight descent from daily highs to an average low of 24.6°F (-4.1°C).Humidity
In Henderson, Michigan, the average relative humidity in December is 84%.Rainfall
The months with the least rainfall are March, November and December Rain falls for 7.1 days and accumulates 1.18" (30mm) of rain.Snowfall
January through April, October through December are months with snowfall. In Henderson, in December, snow falls for 13.2 days, with typically accumulated 3.11" (79mm) of snow. Throughout the year, there are 64.1 snowfall days, and 16.97" (431mm) of snow is accumulated.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 7:49 am and sunset at 5:02 pm. On the last day of December, sunrise is at 8:08 am and sunset at 5:11 pm EST.
Sunshine
In Henderson, the average sunshine in December is 3.2h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 1 suggests these recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Caution! The reflection of snow can nearly 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?
What is the driest month?
How much 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 Henderson have in December?
When is the sunrise / sunset in December in Henderson?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Henderson, MI
- Average high temperature in December: 33.3°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in December: 24.6°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in December
Henderson, 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
Henderson, MI
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is February (10mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in December
Henderson, MI
- Average humidity in December: 84%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Henderson, MI
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is May (2.52").
The driest months (with the least rainfall) are March, November and December (1.18").
Average rainfall days in December
Henderson, MI
- Average rainfall days in December: 7.1 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is February (5 days).
Average snowfall in December
Henderson, MI
- Average snowfall in December: 3.11"
The month with the highest snowfall is February (4.57").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Henderson, MI
- Average snowfall days in December: 13.2 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Henderson, 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 12min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Henderson, MI
- Average sunshine days in December: 12.9 days
The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is February (9.7 days).
Average UV index in December
Henderson, MI
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Henderson, MI
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Henderson, MI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, October and November (6mi).
The months with the lowest visibility are January, February, August, September and December (5mi).
Henderson, Michigan, USA
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