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
Detroit witnesses the coldest weather in December, with temperatures averaging a high of 39.9°F (4.4°C) and a low of 28.8°F (-1.8°C).Humidity
The average relative humidity in December is 87%.Rainfall
In Detroit, during December, the rain falls for 18 days and regularly aggregates up to 6.93" (176mm) of precipitation. Throughout the year, in Detroit, there are 182.5 rainfall days, and 47.56" (1208mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Detroit. In December, it is snowing for 6.5 days. Throughout December, 4.09" (104mm) of snow is accumulated. In Detroit, during the entire year, snow falls for 32.4 days and aggregates up to 43.78" (1112mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:26 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 4:38 pm PST.
Sunshine
In December, the average sunshine is 3.8h.UV index
In December, the average daily maximum UV index in Detroit is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What is the coldest time of year in Detroit?
Is December cold in Detroit?
What is the average humidity in December in Detroit?
How much does it rain in Detroit in December?
How many days does it snow in December in Detroit?
What is the month with the shortest days in Detroit?
What is the average length of the day in December in Detroit?
When is the sunrise / sunset in December in Detroit?
How long on average sun shines in December in Detroit?
How high is the UV index in December in Detroit?
Average temperature in December
Detroit, OR
- Average high temperature in December: 39.9°F
The warmest month (with the highest average high temperature) is August (76.8°F).
The month with the lowest average high temperature is December (39.9°F).
- Average low temperature in December: 28.8°F
The month with the highest average low temperature is August (46.8°F).
The coldest month (with the lowest average low temperature) is December (28.8°F).
Average pressure in December
Detroit, OR
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).
Average wind speed in December
Detroit, OR
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is January (6mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Detroit, OR
- Average humidity in December: 87%
The months with the highest relative humidity are February and March (88%).
The months with the lowest relative humidity are July and August (66%).
Average rainfall in December
Detroit, OR
- Average rainfall in December: 6.93"
The wettest month (with the highest rainfall) is January (6.97").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in December
Detroit, OR
- Average rainfall days in December: 18 days
The month with the highest number of rainy days is March (21.3 days).
The month with the least rainy days is August (6.2 days).
Average snowfall in December
Detroit, OR
- Average snowfall in December: 4.09"
The month with the highest snowfall is February (15").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Detroit, OR
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Detroit, OR
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in December
Detroit, OR
- Average sunshine days in December: 9.8 days
The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in December
Detroit, OR
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in December
Detroit, OR
- Average cloud cover in December: 60
The month with the most cloud cover is March (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Detroit, OR
- Average visibility in December: 4mi
The month with the highest visibility is August (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
Detroit, Oregon, USA
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