January weather forecast
Dearborn, MO

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Weather in January

January, the same as December, is an icy winter month in Dearborn, Missouri, with an average temperature varying between 36.1°F (2.3°C) and 21.9°F (-5.6°C).

Temperature

With an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 21.9°F (-5.6°C), January is the coldest month.

Humidity

The average relative humidity in January in Dearborn is 74%.

Rainfall

In Dearborn, in January, it is raining for 4.3 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, there are 130.5 rainfall days, and 26.38" (670mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Dearborn are January through May, October through December. In January, it is snowing for 4.8 days. Throughout January, 2.09" (53mm) of snow is accumulated. In Dearborn, Missouri, during the entire year, snow falls for 17.5 days and aggregates up to 7.09" (180mm) of snow.

Daylight

In Dearborn, Missouri, the average length of the day in January is 9h and 46min.
On the first day of January, sunrise is at 7:39 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:37 pm CST.

Sunshine

January has the least sunshine of the year in Dearborn, with an average of 5.2h of sunshine.

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 value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.
Note: During January, 2 as the daily maximum UV index converts into the following advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

What are the coldest months in Dearborn?

Dearborn's January weather, marked by an average high temperature of 36.1°F (2.3°C) and an average low temperature of 21.9°F (-5.6°C), is the coldest in the year.

How cold is January in Dearborn?

In January, the average high-temperature and low-temperature are 36.1°F (2.3°C) and 21.9°F (-5.6°C) respectively.

What is the average humidity in January in Dearborn?

In January, the average relative humidity in Dearborn, Missouri, is 74%.

How much does it rain in Dearborn in January?

In Dearborn, in January, it is raining for 4.3 days, with typically 0.91" (23mm) of accumulated precipitation.

How much does it snow in Dearborn in January?

In January, it is snowing for 4.8 days. Throughout January, 2.09" (53mm) of snow is accumulated.

What is the average length of the day in January in Dearborn?

The average day length in January in Dearborn, Missouri, is 9h and 46min.

What time are sunrise and sunset in January in Dearborn?

On the first day of January in Dearborn, sunrise is at 7:39 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:37 pm CST.

What is the month with the least sunshine in Dearborn?

The month with the least sunshine in Dearborn is January, with an average of 5.2h of sunshine.

How many hours of sunshine does Dearborn have in January?

In January, the average sunshine duration in Dearborn is 5.2h.

When is the lowest UV index in Dearborn?

The months with the lowest UV index in Dearborn are January, February, November and December, with an average maximum UV index of 2.

How high is the UV index in January in Dearborn?

In Dearborn, Missouri, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
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, MO

Average temperature in January - Dearborn, MO
  • Average high temperature in January: 36.1°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 January: 21.9°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).

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Average pressure in January
Dearborn, MO

Average pressure in January - Dearborn, MO
  • Average pressure in January: 30.17"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).

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Average wind speed in January
Dearborn, MO

Average wind speed in January - Dearborn, MO
  • Average wind speed in January: 9.7mph

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).

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Average humidity in January
Dearborn, MO

Average humidity in January - Dearborn, MO
  • Average humidity in January: 74%

The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in January
Dearborn, MO

Average rainfall in January - Dearborn, MO
  • Average rainfall in January: 0.91"

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is February (0.87").

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Average rainfall days in January
Dearborn, MO

Average rainfall days in January - Dearborn, MO
  • Average rainfall days in January: 4.3 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).

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Average snowfall in January
Dearborn, MO

Average snowfall in January - Dearborn, MO
  • Average snowfall in January: 2.09"

The month with the highest snowfall is February (2.32").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Dearborn, MO

Average snowfall days in January - Dearborn, MO
  • Average snowfall days in January: 4.8 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).

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

Average daylight in January / Average sunshine in January - Dearborn, MO
  • Average daylight in January: 9h and 5min

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 January: 5h and 1min

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).

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Average sunshine days in January
Dearborn, MO

Average sunshine days in January - Dearborn, MO
  • Average sunshine days in January: 22 days

The month with the most sunshine days is January (22 days).
The month with the least sunshine days is June (12.3 days).

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Average UV index in January
Dearborn, MO

Average UV index in January - Dearborn, MO
  • Average UV index in January: 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).

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Average cloud cover in January
Dearborn, MO

Average cloud cover in January - Dearborn, MO
  • Average cloud cover in January: 43

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in January
Dearborn, MO

Average visibility in January - Dearborn, MO
  • 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).

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Dearborn, Missouri, USA

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