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
Smyrna observes a minor decrease in the average high-temperature with the arrival of December, falling from November's chilly 44.2°F (6.8°C) to a wintry 33.1°F (0.6°C). Smyrna's temperature during December nights registers a minor decrease to an average low of 24.8°F (-4°C).Humidity
The average relative humidity in December is 85%.Rainfall
In Smyrna, during December, the rain falls for 7.2 days and regularly aggregates up to 0.83" (21mm) of precipitation. In Smyrna, during the entire year, the rain falls for 122.5 days and collects up to 13.19" (335mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Smyrna. In Smyrna, in December, during 13.7 snowfall days, 2.32" (59mm) of snow is typically accumulated. Throughout the year, there are 59.6 snowfall days, and 10.51" (267mm) 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 7:53 am and sunset at 5:07 pm. On the last day of December, sunrise is at 8:12 am and sunset at 5:16 pm EST.
Sunshine
The average sunshine in December is 3h.UV index
January, November 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 exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 1 during December translates into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the 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 much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Smyrna have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Smyrna have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Smyrna, MI
- Average high temperature in December: 33.1°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 (27.1°F).
- Average low temperature in December: 24.8°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
Smyrna, 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
Smyrna, 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 (6.6mph).
Average humidity in December
Smyrna, MI
- Average humidity in December: 85%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Smyrna, MI
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is May (1.65").
The driest month (with the least rainfall) is November (0.71").
Average rainfall days in December
Smyrna, MI
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
Smyrna, MI
- Average snowfall in December: 2.32"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Smyrna, MI
- Average snowfall days in December: 13.7 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Smyrna, 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 0min
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 30min).
Average sunshine days in December
Smyrna, MI
- Average sunshine days in December: 14.1 days
The month with the most sunshine days is September (17.7 days).
The months with the least sunshine days are January, February and May (12.8 days).
Average UV index in December
Smyrna, 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, November and December (UV index 1).
Average cloud cover in December
Smyrna, MI
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Smyrna, 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).
Smyrna, Michigan, USA
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