January weather forecast
Monroe, MI

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Weather in January

The Monroe, Michigan weather in January signals the height of winter with extremely chilly temperatures. The cold atmosphere from December persists throughout the month, keeping the city in a frozen state. Notable fluctuations from the high temperatures of 29.7°F (-1.3°C) to the low temperatures of 19°F (-7.2°C) result in snowfall measuring 0.79" (20mm). The city becomes a winter wonderland, attracting winter sports enthusiasts for activities like ice fishing and cross-country skiing. The cold weather smoothly transitions into February without much change in patterns.

Temperature

January, characterized by an average high temperature of 29.7°F (-1.3°C) and a low temperature of 19°F (-7.2°C), is generally the coldest month.

Humidity

January and February, with an average relative humidity of 85%, are the most humid months in Monroe.

Rainfall

In Monroe, Michigan, in January, during 4.3 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. Throughout the year, there are 103.1 rainfall days, and 8.66" (220mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In January, it is snowing for 9.7 days. Throughout January, 0.79" (20mm) of snow is accumulated. Throughout the year, there are 32.9 snowfall days, and 3.27" (83mm) of snow is accumulated.

Ocean temperature

In Monroe, Michigan, the average seawater temperature in January is 33.1°F (0.6°C).
Note: While swimming, this scenario is perilously cold, dangerous, and potentially fatal. Hypothermia is almost imminent without proper insulated waterproof attire.

Daylight

In January, the average length of the day in Monroe is 9h and 32min.
On the first day of the month, sunrise is at 8:01 am and sunset at 5:12 pm. On the last day of January, sunrise is at 7:47 am and sunset at 5:46 pm EST.

Sunshine

With an average of 3.2h of sunshine, January has the least sunshine of the year in Monroe.

UV index

The average daily maximum UV index in January in Monroe is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily high UV index of 2 in January leads to these guidelines:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in Monroe?

January, characterized by an average high temperature of 29.7°F (-1.3°C) and a low temperature of 19°F (-7.2°C), is generally the coldest month in Monroe, Michigan.

How cold is January in Monroe?

During January, Monroe experiences an average high-temperature of 29.7°F (-1.3°C) and a low-temperature of 19°F (-7.2°C).

What is the most humid month in Monroe?

January and February, with an average relative humidity of 85%, are most humid months in Monroe.

What is the average humidity in January in Monroe?

In Monroe, the average relative humidity in January is 85%.

How many days does it rain in January in Monroe?

In Monroe, Michigan, in January, during 4.3 rainfall days, 0.43" (11mm) of precipitation is typically accumulated.

How many days does it snow in January in Monroe?

In January, it is snowing for 9.7 days. Throughout January, 0.79" (20mm) of snow is accumulated.

What is the ocean temperature in January in Monroe?

In Monroe, Michigan, in January, the average water temperature is 33.1°F (0.6°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 Monroe have in January?

The average day length in January is 9h and 32min.

What time are sunrise and sunset in January in Monroe?

On the first day of January in Monroe, Michigan, sunrise is at 8:01 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:46 pm EST.

What is the month with the least sunshine in Monroe?

The month with the least sunshine in Monroe, Michigan, is January, with an average of 3.2h of sunshine.

How many hours of sunshine does Monroe have in January?

The average sunshine duration in January in Monroe, Michigan, is 3.2h.

What is the UV index reading in January in Monroe?

The average daily maximum UV index in January in Monroe, Michigan, is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Monroe, MI

Average temperature in January - Monroe, MI
  • Average high temperature in January: 29.7°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 (29.7°F).

  • Average low temperature in January: 19°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average pressure in January
Monroe, MI

Average pressure in January - Monroe, MI
  • Average pressure in January: 30.09"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
Monroe, MI

Average wind speed in January - Monroe, 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 (6.6mph).

Average humidity in January
Monroe, MI

Average humidity in January - Monroe, MI
  • Average humidity in January: 85%

The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (75%).

Average rainfall in January
Monroe, MI

Average rainfall in January - Monroe, MI
  • Average rainfall in January: 0.43"

The wettest months (with the highest rainfall) are May, June and August (1.06").
The driest month (with the least rainfall) is September (0.39").

Average rainfall days in January
Monroe, MI

Average rainfall days in January - Monroe, MI
  • Average rainfall days in January: 4.3 days

The month with the highest number of rainy days is May (12.2 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in January
Monroe, MI

Average snowfall in January - Monroe, MI
  • Average snowfall in January: 0.79"

The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Monroe, MI

Average snowfall days in January - Monroe, MI
  • Average snowfall days in January: 9.7 days

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average sea temperature in January
Monroe, MI

Average sea temperature in January - Monroe, MI
  • Average sea temperature in January: 33.2°F

The best month for swimming (with the highest average sea temperature) is August (76.4°F).
The coldest month (with the lowest average sea temperature) is February (32.6°F).

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

Average daylight in January / Average sunshine in January - Monroe, 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 18min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in January
Monroe, MI

Average sunshine days in January - Monroe, MI
  • Average sunshine days in January: 20.2 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is April (14.9 days).

Average UV index in January
Monroe, MI

Average UV index in January - Monroe, 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
Monroe, MI

Average cloud cover in January - Monroe, MI
  • Average cloud cover in January: 66

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in January
Monroe, MI

Average visibility in January - Monroe, 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).

Monroe, Michigan, USA

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