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
DeWitt's progression into December involves a drop in the average high-temperature, receding from a frosty 44.6°F (7°C) in November to a wintry 33.3°F (0.7°C). December introduces a small decrease to a nighttime average of 24.8°F (-4°C) in DeWitt.Humidity
The average relative humidity in December is 85%.Rainfall
In DeWitt, in December, it is raining for 8.3 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, in DeWitt, Michigan, there are 144.6 rainfall days, and 24.09" (612mm) of precipitation is accumulated.Snowfall
Months with snowfall in DeWitt are January through May, October through December. In December, it is snowing for 12.6 days. Throughout December, 2.91" (74mm) of snow is accumulated. Throughout the year, there are 59.2 snowfall days, and 16.46" (418mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:49 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 5:14 pm EST.
Sunshine
In DeWitt, the average sunshine in December is 3.4h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in DeWitt. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 1 in December translates into this advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. To guard against the harmful effects of the Sun, minimize exposure during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
How cold is it in DeWitt in December?
What is the average humidity in December in DeWitt?
How many days does it rain in December in DeWitt?
How much does it snow in DeWitt in December?
What is the month with the shortest days in DeWitt?
How many hours of daylight does DeWitt have in December?
When are sunrise and sunset in December in DeWitt?
How long on average sun shines in December in DeWitt?
What are the months with the lowest UV index in DeWitt?
What is the UV index reading in December in DeWitt?
Average temperature in December
DeWitt, 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 (27.1°F).
- Average low temperature in December: 24.8°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 (17.1°F).
Average pressure in December
DeWitt, MI
- Average pressure in December: 30.07"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
DeWitt, MI
- Average wind speed in December: 9.7mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in December
DeWitt, 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 (77%).
Average rainfall in December
DeWitt, MI
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days in December
DeWitt, MI
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in December
DeWitt, MI
- Average snowfall in December: 2.91"
The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
DeWitt, MI
- Average snowfall days in December: 12.6 days
The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
DeWitt, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in December
DeWitt, MI
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is January (10.3 days).
Average UV index in December
DeWitt, 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
DeWitt, MI
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
DeWitt, MI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, October and November (6mi).
The months with the lowest visibility are January, February, September and December (5mi).
DeWitt, Michigan, USA
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