January weather forecast
Troy, MI

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Weather in January

Troy, Michigan weather in January presents one of the coldest periods of the year. Snowfall is the norm with an average of 2.68" (68mm) - January possessing one of the highest rates of snowy days. The high relative humidity of 85% results in a distinctive wind chill, causing temperatures to feel cooler than they actually are. Low visibility due to thick cloud cover is another common feature of January. As a result, Troy residents should brace for chilly temperatures, heavy coats, and snowy landscapes in this month.

Temperature

January, noted for its average high-temperature of 28°F (-2.2°C) and an average low-temperature of 18°F (-7.8°C), is considered the coldest month.

Humidity

The months with the highest humidity are January and February, with an average relative humidity of 85%.

Rainfall

In Troy, during January, the rain falls for 5.3 days and regularly aggregates up to 0.94" (24mm) of precipitation. Throughout the year, in Troy, there are 136 rainfall days, and 16.57" (421mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Troy, Michigan. In Troy, during January, snow falls for 13.7 days and regularly aggregates up to 2.68" (68mm) of snow. In Troy, during the entire year, snow falls for 52.3 days and aggregates up to 10.59" (269mm) of snow.

Daylight

The average length of the day in January in Troy, Michigan, is 9h and 29min.
On the first day of the month, sunrise is at 8:02 am and sunset at 5:09 pm. On the last day of January, in Troy, Michigan, sunrise is at 7:47 am and sunset at 5:44 pm EST.

Sunshine

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

UV index

The average daily maximum UV index in January in Troy is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In January, the maximum UV index of 2 transforms into these recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

What is the coldest month in Troy?

Troy's January weather, marked by an average high temperature of 28°F (-2.2°C) and an average low temperature of 18°F (-7.8°C), is the coldest in the year.

How cold is January in Troy?

The average high-temperature, in January, in Troy, is 28°F (-2.2°C), while the average low-temperature is 18°F (-7.8°C).

What are the most humid months in Troy?

The months with the highest humidity in Troy, Michigan, are January and February, with an average relative humidity of 85%.

What is the average humidity in January in Troy?

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

How many days does it rain in January in Troy?

In Troy, Michigan, in January, it is raining for 5.3 days, with typically 0.94" (24mm) of accumulated precipitation.

How many days does it snow in January in Troy?

In Troy, in January, during 13.7 snowfall days, 2.68" (68mm) of snow is typically accumulated.

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

The average day length in January in Troy is 9h and 29min.

When is the sunrise / sunset in January in Troy?

In January, on the first day of the month, sunrise is at 8:02 am and sunset at 5:09 pm. On the last day of the month, in Troy, Michigan, sunrise is at 7:47 am and sunset at 5:44 pm EST.

What is the month with the least sunshine in Troy?

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

How many hours of sunshine does Troy have in January?

The average sunshine duration in January in Troy is 3.1h.

What is the UV index intensity in January in Troy?

The average daily maximum UV index in January in Troy is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Troy, MI

Average temperature in January - Troy, MI
  • Average high temperature in January: 28°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28°F).

  • Average low temperature in January: 18°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°F).

Average pressure in January
Troy, MI

Average pressure in January - Troy, 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
Troy, MI

Average wind speed in January - Troy, MI
  • Average wind speed in January: 10mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

Average humidity in January
Troy, MI

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

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (74%).

Average rainfall in January
Troy, MI

Average rainfall in January - Troy, MI
  • Average rainfall in January: 0.94"

The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is February (0.83").

Average rainfall days in January
Troy, MI

Average rainfall days in January - Troy, MI
  • Average rainfall days in January: 5.3 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (5.3 days).

Average snowfall in January
Troy, MI

Average snowfall in January - Troy, MI
  • Average snowfall in January: 2.68"

The month with the highest snowfall is February (3.19").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Troy, MI

Average snowfall days in January - Troy, MI
  • Average snowfall days in January: 13.7 days

The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Troy, 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 30min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in January
Troy, MI

Average sunshine days in January - Troy, MI
  • Average sunshine days in January: 14.1 days

The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (12.3 days).

Average UV index in January
Troy, MI

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

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

Average cloud cover in January
Troy, MI

Average cloud cover in January - Troy, 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 29).

Average visibility in January
Troy, MI

Average visibility in January - Troy, MI
  • Average visibility in January: 5mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Troy, Michigan, USA

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