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
A shift in the average high-temperature occurs in December, reducing from a cold 41.5°F (5.3°C) in November to a freezing cold 30.4°F (-0.9°C). Marion's nocturnal average in December closely mirrors its daytime temperatures, settling at a still subzero cold 22.5°F (-5.3°C).Humidity
The average relative humidity in December is 87%.Rainfall
In Marion, during December, the rain falls for 7.4 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, there are 144.2 rainfall days, and 25.39" (645mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, in Marion, it is snowing for 19.7 days. Throughout December, 6.97" (177mm) of snow is accumulated. In Marion, Michigan, during the entire year, snow falls for 93.7 days and aggregates up to 36.38" (924mm) of snow.Daylight
December has the shortest days of the year in Marion, with an average of 8h and 54min of daylight.On the first day of December in Marion, sunrise is at 7:56 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 8:15 am and sunset at 5:12 pm EST.
Sunshine
In Marion, the average sunshine in December is 2.4h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Marion. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a regular UV index of 1 translates into these guidelines:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Marion?
What is the average humidity in December in Marion?
How many days does it rain in December in Marion?
How much does it snow in Marion in December?
What is the month with the shortest days in Marion?
How many hours of daylight does Marion have in December?
When is the sunrise / sunset in December in Marion?
How long on average sun shines in December in Marion?
When is the lowest UV index in Marion?
What is the UV index intensity in December in Marion?
Average temperature in December
Marion, MI
- Average high temperature in December: 30.4°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in December: 22.5°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in December
Marion, 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
Marion, MI
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in December
Marion, MI
- Average humidity in December: 87%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Marion, MI
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is October (3.35").
The driest month (with the least rainfall) is September (1.14").
Average rainfall days in December
Marion, MI
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is October (16.9 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in December
Marion, MI
- Average snowfall in December: 6.97"
The month with the highest snowfall is January (10.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Marion, MI
- Average snowfall days in December: 19.7 days
The month with the highest number of snowfall days is January (23 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Marion, MI
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 2h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in December
Marion, MI
- Average sunshine days in December: 7.8 days
The month with the most sunshine days is September (15.3 days).
The months with the least sunshine days are January and February (6.3 days).
Average UV index in December
Marion, 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
Marion, MI
- Average cloud cover in December: 75
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Marion, MI
- Average visibility in December: 5mi
The months with the highest visibility are April, May and June (6mi).
The months with the lowest visibility are January and February (4mi).
Marion, Michigan, USA
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