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
Stepping into December, Unionville observes a temperature decline, with the average high falling from November's frosty 43.9°F (6.6°C) to an icy 32.9°F (0.5°C). Unionville records a slight downturn to an average a subzero cold 24.4°F (-4.2°C) during the nights of December.Humidity
In Unionville, Michigan, the average relative humidity in December is 84%.Rainfall
December is the month with the least rainfall. Rain falls for 7.5 days and accumulates 1.18" (30mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Unionville, Michigan, in December, during 14 snowfall days, 2.76" (70mm) of snow is typically accumulated. In Unionville, during the entire year, snow falls for 65 days and aggregates up to 16.26" (413mm) of snow.Daylight
The month with the shortest days in Unionville is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:48 am and sunset at 4:58 pm. On the last day of December, sunrise is at 8:07 am and sunset at 5:07 pm EST.
Sunshine
In December, the average sunshine is 3h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 1 in December interprets into the following advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
How cold is it in Unionville in December?
What is the average humidity in December in Unionville?
What is the driest month in Unionville?
How much does it rain in Unionville in December?
How many days does it snow in December in Unionville?
What is the month with the shortest days in Unionville?
How many hours of daylight does Unionville have in December?
When are sunrise and sunset in December in Unionville?
How many hours of sunshine does Unionville have in December?
What is the month with the lowest UV index in Unionville?
How high is the UV index in December in Unionville?
Average temperature in December
Unionville, MI
- Average high temperature in December: 32.9°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in December: 24.4°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in December
Unionville, 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 (29.93"Hg).
Average wind speed in December
Unionville, MI
- Average wind speed in December: 10.2mph
The windiest months (with the highest average wind speed) are January, February and April (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in December
Unionville, MI
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in December
Unionville, MI
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is December (1.18").
Average rainfall days in December
Unionville, MI
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is October (15.8 days).
The month with the least rainy days is February (5 days).
Average snowfall in December
Unionville, MI
- Average snowfall in December: 2.76"
The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Unionville, MI
- Average snowfall days in December: 14 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Unionville, MI
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- 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 36min).
Average sunshine days in December
Unionville, MI
- Average sunshine days in December: 11.3 days
The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in December
Unionville, 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
Unionville, 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
Unionville, 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).
Unionville, Michigan, USA
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