January weather forecast
Dearborn, MI

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Weather in January

Expect the coldest conditions to arrive in January when Dearborn, Michigan, is stuck in the grips of winter. It is not unusual to have the temperature plummet down to 19.2°F (-7.1°C), while the highs barely scrape 28.9°F (-1.7°C). Snowfall is also quite prevalent during this month with a stark contrast to the sunny weather experienced during other parts of the year. As the month proceeds, temperatures barely rise, resulting in a continuous freeze throughout the month. Days are shorter, often adding to the feeling of the January chill.

Temperature

The coldest time of the year in Dearborn is January, with temperatures averaging a high of 28.9°F (-1.7°C) and a low of 19.2°F (-7.1°C).

Humidity

In January, the average relative humidity is 84%.

Rainfall

January and February are months with the least rain when the rain falls for 7 days and typically aggregates up to 0.87" (22mm) of rain.

Snowfall

January through May, November and December are months with snowfall. In Dearborn, in January, during 13.3 snowfall days, 2.52" (64mm) of snow is typically accumulated. In Dearborn, during the entire year, snow falls for 47.2 days and aggregates up to 9.69" (246mm) of snow.

Daylight

In January, the average length of the day is 9h and 31min.
On the first day of January, sunrise is at 8:01 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:44 pm EST.

Sunshine

With an average of 3.1h of sunshine, January has the least sunshine of the year.

UV index

In Dearborn, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 2 during January translates into the following directions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Jun 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest in Dearborn?

With its average high temperature of 28.9°F (-1.7°C) and a low of 19.2°F (-7.1°C), January is regarded as the coldest month.

How cold is it in January?

In January, in Dearborn, the average high-temperature is 28.9°F (-1.7°C), and the average low-temperature is 19.2°F (-7.1°C).

What is the average humidity in January?

In January, the average relative humidity is 84%.

What is the driest month in Dearborn?

January and February are months with the least rain when the rain falls for 7 days and typically aggregates up to 0.87" (22mm) of rain.

How much does it rain in January?

In January, the rain falls for 7 days. Throughout January, 0.87" (22mm) of precipitation is accumulated.

How many days does it snow in January?

In January, it is snowing for 13.3 days. Throughout January, 2.52" (64mm) of snow is accumulated.

How many hours of daylight does Dearborn have in January?

The average day length in January is 9h and 31min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 8:01 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:44 pm EST.

What is the month with the least sunshine?

With an average of 3.1h of sunshine, January has the least sunshine of the year.

How many hours of sunshine does Dearborn have in January?

In Dearborn, the average sunshine duration in January is 3.1h.

How high is the UV index in January in Dearborn?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Dearborn, MI

Average temperature in January - Dearborn, MI
  • Average high temperature in January: 28.9°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in January: 19.2°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

Average pressure in January
Dearborn, MI

Average pressure in January - Dearborn, MI
  • Average pressure in January: 30.08"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in January
Dearborn, MI

Average wind speed in January - Dearborn, MI
  • Average wind speed in January: 10.3mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in January
Dearborn, MI

Average humidity in January - Dearborn, MI
  • Average humidity in January: 84%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (73%).

Average rainfall in January
Dearborn, MI

Average rainfall in January - Dearborn, MI
  • Average rainfall in January: 0.87"

The wettest month (with the highest rainfall) is May (2.2").
The driest months (with the least rainfall) are January and February (0.87").

Average rainfall days in January
Dearborn, MI

Average rainfall days in January - Dearborn, MI
  • Average rainfall days in January: 7 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (5.8 days).

Average snowfall in January
Dearborn, MI

Average snowfall in January - Dearborn, MI
  • Average snowfall in January: 2.52"

The month with the highest snowfall is February (2.95").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in January
Dearborn, MI

Average snowfall days in January - Dearborn, MI
  • Average snowfall days in January: 13.3 days

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Dearborn, MI

Average daylight in January / Average sunshine in January - Dearborn, MI
  • Average daylight in January: 9h and 3min

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 January: 3h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in January
Dearborn, MI

Average sunshine days in January - Dearborn, MI
  • Average sunshine days in January: 13.6 days

The month with the most sunshine days is October (16.8 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in January
Dearborn, MI

Average UV index in January - Dearborn, MI
  • Average UV index in January: 2

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in January
Dearborn, MI

Average cloud cover in January - Dearborn, MI
  • Average cloud cover in January: 67

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in January
Dearborn, MI

Average visibility in January - Dearborn, MI
  • Average visibility in January: 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, Michigan, USA

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