January weather forecastRiver Rouge, MI
January
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 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: 9h and 30min
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 6min
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: 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: 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: 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: 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).





