January weather forecast
Macomb, MI

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Weather in January

January typically begins the year with some of the coldest temperatures in Macomb, Michigan. As neighbors hunker down in their homes, winter’s grip on the city is evidently illuminated by 2.87" (73mm) of snowfall covering the streets. Layers of clothing become a staple during this month, as walking outdoors can feel quite icy and brisk. The sense of winter extends to the bare trees, the passive landscapes, and the thinner hours of daylight. Swift winds sweep across the frosted cityscape, continuously reminding locals of winter season's presence.

Temperature

January stands out as Macomb's coldest month, with an average high-temperature of 28.6°F (-1.9°C) and a low-temperature of 18.7°F (-7.4°C).

Humidity

In January, the average relative humidity is 85%.

Rainfall

In January, in Macomb, the rain falls for 5.9 days. Throughout January, 1.26" (32mm) of precipitation is accumulated. Throughout the year, there are 146.8 rainfall days, and 22.72" (577mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Macomb, during January, snow falls for 10.8 days and regularly aggregates up to 2.87" (73mm) of snow. In Macomb, during the entire year, snow falls for 43.5 days and aggregates up to 12.72" (323mm) of snow.

Daylight

In Macomb, the average length of the day in January is 9h and 28min.
On the first day of the month, sunrise is at 8:02 am and sunset at 5:08 pm. On the last day of January, sunrise is at 7:47 am and sunset at 5:43 pm EST.

Sunshine

January has the least sunshine of the year, with an average of 3.2h of sunshine.

UV index

In January, the average daily maximum UV index in Macomb is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 2 during January leads to these advisories:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What time of the year is the coldest?

Macomb's January weather reaches an average high of 28.6°F (-1.9°C) and an average low of 18.7°F (-7.4°C), making it the coldest month.

How cold is it in January?

The average high-temperature, in January, in Macomb, is 28.6°F (-1.9°C), while the average low-temperature is 18.7°F (-7.4°C).

What is the average humidity in January?

The average relative humidity in January in Macomb is 85%.

How much does it rain in January?

In January, the rain falls for 5.9 days. Throughout January, 1.26" (32mm) of precipitation is accumulated.

How much does it snow in January?

In January, it is snowing for 10.8 days. Throughout January, 2.87" (73mm) of snow is accumulated.

What is the average length of the day in January?

In January, the average day length is 9h and 28min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 8:02 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:43 pm EST.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 3.2h of sunshine.

How long on average sun shines in January?

In January, the average sunshine duration is 3.2h.

What is the UV index intensity in January?

In January, the average daily maximum UV index is 2. A UV Index 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
Macomb, MI

Average temperature in January - Macomb, MI
  • Average high temperature in January: 28.6°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in January: 18.7°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

Average pressure in January
Macomb, MI

Average pressure in January - Macomb, MI
  • Average pressure in January: 30.07"Hg

The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in January
Macomb, MI

Average wind speed in January - Macomb, MI
  • Average wind speed in January: 10.6mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

Average humidity in January
Macomb, MI

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

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, May, July, August, September and October (76%).

Average rainfall in January
Macomb, MI

Average rainfall in January - Macomb, MI
  • Average rainfall in January: 1.26"

The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is December (1.18").

Average rainfall days in January
Macomb, MI

Average rainfall days in January - Macomb, MI
  • Average rainfall days in January: 5.9 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (5.9 days).

Average snowfall in January
Macomb, MI

Average snowfall in January - Macomb, MI
  • Average snowfall in January: 2.87"

The month with the highest snowfall is February (4.41").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Macomb, MI

Average snowfall days in January - Macomb, MI
  • Average snowfall days in January: 10.8 days

The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 18min).
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 12min).

Average sunshine days in January
Macomb, MI

Average sunshine days in January - Macomb, MI
  • Average sunshine days in January: 15.8 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (10.5 days).

Average UV index in January
Macomb, MI

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

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

Average cloud cover in January
Macomb, MI

Average cloud cover in January - Macomb, 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 28).

Average visibility in January
Macomb, MI

Average visibility in January - Macomb, 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).

Macomb, Michigan, USA

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