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
Dearborn observes a minor decrease in the average high-temperature with the arrival of December, falling from November's fresh 52.2°F (11.2°C) to a cold 40.1°F (4.5°C). Nighttime temperatures hover around an average low of 26.6°F (-3°C) in December.Humidity
In December, the average relative humidity is 74%.Rainfall
In Dearborn, during December, the rain falls for 5.8 days and regularly aggregates up to 1.06" (27mm) of precipitation. In Dearborn, during the entire year, the rain falls for 130.5 days and collects up to 26.38" (670mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Dearborn, in December, snow falls for 3.1 days, with typically accumulated 0.91" (23mm) of snow. In Dearborn, during the entire year, snow falls for 17.5 days and aggregates up to 7.09" (180mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:21 am and sunset at 4:55 pm. On the last day of December, sunrise is at 7:39 am and sunset at 5:05 pm CST.
Sunshine
The average sunshine in December is 5.4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in Dearborn in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Dearborn have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Dearborn have in December?
When is the lowest UV index in Dearborn?
What is the UV index reading in December?
Average temperature in December
Dearborn, MO
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in December
Dearborn, MO
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Dearborn, MO
- Average wind speed in December: 9.3mph
The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in December
Dearborn, MO
- Average humidity in December: 74%
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Dearborn, MO
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in December
Dearborn, MO
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
Dearborn, MO
- Average snowfall in December: 0.91"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Dearborn, MO
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dearborn, MO
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in December
Dearborn, MO
- Average sunshine days in December: 21.7 days
The month with the most sunshine days is January (22 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in December
Dearborn, MO
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Dearborn, MO
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in December
Dearborn, MO
- 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).
Dearborn, Missouri, USA
Weather forecast for your location
2. Allow the app to use your location