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
The shift from November to December involves a decrease in the average high-temperature, dropping from a chilly 45.5°F (7.5°C) to an icy 34.7°F (1.5°C). December nights in Union City anticipate an average temperature of 25.7°F (-3.5°C), a modest decline from the daytime.Humidity
In Union City, the average relative humidity in December is 84%.Rainfall
In Union City, during December, the rain falls for 6.7 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Union City, during the entire year, the rain falls for 124.6 days and collects up to 13.78" (350mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Union City, in December, during 11.8 snowfall days, 1.18" (30mm) of snow is typically accumulated. In Union City, during the entire year, snow falls for 55.9 days and aggregates up to 7.36" (187mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:49 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 5:19 pm EST.
Sunshine
The average sunshine in December in Union City is 3.3h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 1 in December transforms into this advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Union City have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Union City, MI
- Average high temperature in December: 34.7°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 (28.4°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in December
Union City, MI
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Union City, MI
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in December
Union City, MI
- Average humidity in December: 84%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in December
Union City, MI
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in December
Union City, MI
- Average rainfall days in December: 6.7 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Union City, MI
- Average snowfall in December: 1.18"
The month with the highest snowfall is January (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Union City, MI
- Average snowfall days in December: 11.8 days
The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Union City, MI
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Union City, MI
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is January (11.9 days).
Average UV index in December
Union City, MI
- Average UV index in December: 1
The month with the highest UV index is August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Union City, MI
- Average cloud cover in December: 66
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
Union City, MI
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Union City, Michigan, USA
Weather forecast for your location
2. Allow the app to use your location