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
Transition from November to December is accompanied by a temperature drop, with average high-temperatures decreasing from a frosty 45.5°F (7.5°C) to an icy 34.9°F (1.6°C). Southfield registers an average low-temperature of 26.2°F (-3.2°C) throughout December, a modest decrease from its daytime highs.Humidity
In December, the average relative humidity is 82%.Rainfall
December is the month with the least rainfall. Rain falls for 7.7 days and accumulates 1.3" (33mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Southfield, during December, snow falls for 10.4 days and regularly aggregates up to 2.48" (63mm) of snow. In Southfield, during the entire year, snow falls for 50.1 days and aggregates up to 17.13" (435mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:43 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 5:10 pm EST.
Sunshine
In December, the average sunshine is 3.5h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 1 in December leads to these guidelines:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
What is the driest month?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Southfield, MI
- Average high temperature in December: 34.9°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in December
Southfield, MI
- Average pressure in December: 30.08"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Southfield, MI
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in December
Southfield, MI
- Average humidity in December: 82%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (72%).
Average rainfall in December
Southfield, MI
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is December (1.3").
Average rainfall days in December
Southfield, MI
- Average rainfall days in December: 7.7 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in December
Southfield, MI
- Average snowfall in December: 2.48"
The month with the highest snowfall is February (5.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Southfield, MI
- Average snowfall days in December: 10.4 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Southfield, 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 6min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Southfield, MI
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is November (17.5 days).
The months with the least sunshine days are April, May and July (10.8 days).
Average UV index in December
Southfield, MI
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Southfield, MI
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in December
Southfield, 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).
Southfield, Michigan, USA
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