December weather forecastDetroit, AL
December
Weather in December
December, the first month of the winter in Detroit, is still a cool month, with temperature in the range of an average low of 39.6°F (4.2°C) and an average high of 53.6°F (12°C).Temperature
A modest decline in the average high-temperature is seen during December, decreasing from a comfortable 61.2°F (16.2°C) in November to a fresh 53.6°F (12°C). An average nighttime temperature of 39.6°F (4.2°C) is noted during the month of December.Humidity
With an average relative humidity of 80%, December is the most humid month.Rainfall
In Detroit, in December, it is raining for 13.2 days, with typically 4.25" (108mm) of accumulated precipitation. Throughout the year, there are 169 rainfall days, and 42.64" (1083mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Detroit, in December, during 0.5 snowfall days, 0.2" (5mm) of snow is typically accumulated. Throughout the year, there are 4.2 snowfall days, and 1.18" (30mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:40 am and sunset at 4:43 pm. On the last day of December, sunrise is at 6:58 am and sunset at 4:53 pm CST.
Sunshine
The months with the least sunshine are February and December, with an average of 4.7h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In December, a daily UV index of 3 turns into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Detroit, AL
- Average high temperature in December: 53.6°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.2°F).
- Average low temperature in December: 39.6°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).
Average pressure in December
Detroit, AL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Detroit, AL
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).
Average humidity in December
Detroit, AL
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Detroit, AL
- Average rainfall in December: 4.25"
The wettest month (with the highest rainfall) is February (4.61").
The driest month (with the least rainfall) is November (2.32").
Average rainfall days in December
Detroit, AL
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Detroit, AL
- Average snowfall in December: 0.2"
The month with the highest snowfall is January (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Detroit, AL
- Average snowfall days in December: 0.5 days
The months with the highest number of snowfall days are January and February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Detroit, AL
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 4h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).
Average sunshine days in December
Detroit, AL
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in December
Detroit, AL
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Detroit, AL
- Average cloud cover in December: 49
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility in December
Detroit, AL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
