January weather forecast
River Rouge, MI

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Weather in January

January, the same as December, in River Rouge, Michigan, is another subzero cold winter month, with an average temperature ranging between min 19.4°F (-7°C) and max 29.5°F (-1.4°C).

Temperature

River Rouge notes the coldest temperatures in January, with a high average of 29.5°F (-1.4°C) and a low of 19.4°F (-7°C).

Humidity

The months with the highest humidity are January and February, with an average relative humidity of 84%.

Rainfall

In January, the rain falls for 5.7 days. Throughout January, 0.59" (15mm) of precipitation is accumulated. Throughout the year, there are 128.5 rainfall days, and 11.89" (302mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, November and December. January is the month with the most snowfall. Snow falls for 12.4 days and accumulates 1.97" (50mm) of snow.

Ocean temperature

In January, the average ocean temperature is 33.6°F (0.9°C).
Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

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 7:46 am and sunset at 5:44 pm EST.

Sunshine

The month with the least sunshine is January, with an average of 3.1h of sunshine.

UV index

In River Rouge, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 2 during January translates into the following directions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

January stands out as River Rouge's coldest month, with an average high-temperature of 29.5°F (-1.4°C) and a low-temperature of 19.4°F (-7°C).

How cold is January?

The high-temperature, in January, in River Rouge, is 29.5°F (-1.4°C), while the low-temperature averages to 19.4°F (-7°C).

What are the most humid months?

The months with the highest humidity are January and February, with an average relative humidity of 84%.

What is the average humidity in January?

In River Rouge, the average relative humidity in January is 84%.

How many days does it rain in January?

In River Rouge, in January, during 5.7 rainfall days, 0.59" (15mm) of precipitation is typically accumulated.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 12.4 days and typically aggregates up to 1.97" (50mm) of snow.

How many days does it snow in January?

In River Rouge, Michigan, during January, snow falls for 12.4 days and regularly aggregates up to 1.97" (50mm) of snow.

How cold is the water in January?

In River Rouge, the average seawater temperature in January is 33.6°F (0.9°C). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

How many hours of daylight does River Rouge have in January?

In January, the average day length is 9h and 31min.

When are sunrise and 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 7:46 am and sunset at 5:44 pm EST.

What is the month with the least sunshine?

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

How many hours of sunshine does River Rouge have in January?

In January, the average sunshine duration is 3.1h.

What is the UV index intensity in January?

In January, the average daily maximum UV index in River Rouge is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's 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
River Rouge, MI

Average temperature in January - River Rouge, MI
  • Average high temperature in January: 29.5°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in January: 19.4°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

Average pressure in January
River Rouge, MI

Average pressure in January - River Rouge, 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
River Rouge, MI

Average wind speed in January - River Rouge, MI
  • Average wind speed in January: 10.4mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

Average humidity in January
River Rouge, MI

Average humidity in January - River Rouge, MI
  • Average humidity in January: 84%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (74%).

Average rainfall in January
River Rouge, MI

Average rainfall in January - River Rouge, MI
  • Average rainfall in January: 0.59"

The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are February and December (0.55").

Average rainfall days in January
River Rouge, MI

Average rainfall days in January - River Rouge, MI
  • Average rainfall days in January: 5.7 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is February (5.2 days).

Average snowfall in January
River Rouge, MI

Average snowfall in January - River Rouge, MI
  • Average snowfall in January: 1.97"

The month with the highest snowfall is January (1.97").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in January
River Rouge, MI

Average snowfall days in January - River Rouge, MI
  • Average snowfall days in January: 12.4 days

The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in January
River Rouge, MI

Average sea temperature in January - River Rouge, MI
  • Average sea temperature in January: 33.6°F

The best month for swimming (with the highest average sea temperature) is August (75.4°F).
The coldest month (with the lowest average sea temperature) is February (32.7°F).

Average daylight in January /
Average sunshine in January
River Rouge, MI

Average daylight in January / Average sunshine in January - River Rouge, 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 12min).

  • Average sunshine in January: 3h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in January
River Rouge, MI

Average sunshine days in January - River Rouge, MI
  • Average sunshine days in January: 15.8 days

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is May (12.6 days).

Average UV index in January
River Rouge, MI

Average UV index in January - River Rouge, 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
River Rouge, MI

Average cloud cover in January - River Rouge, 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
River Rouge, MI

Average visibility in January - River Rouge, 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).

River Rouge, Michigan, USA

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