January weather forecast
Rochester Hills, MI

Share

Weather in January

Descending into the start of the year, Rochester Hills, Michigan experiences an exceedingly cold climate with the minimum temperature falling to 17.8°F (-7.9°C). While residents may want to bundle up for the chilly temperatures, high relative humidity of 86% serves to intensify the chill. Snowfall is a frequent occurrence in the month, turning the city into a picturesque winter wonderland. Travelers and citizens need to be mindful of changes in weather conditions and prepare for potential road closures due to snow accumulation. Robust heating systems are instrumental in keeping homes warm and cozy amidst the harsh weather.

Temperature

January stands out as Rochester Hills's coldest month, with temperatures ranging between an average high of 28°F (-2.2°C) and a low of 17.8°F (-7.9°C).

Humidity

The months with the highest humidity are January and February, with an average relative humidity of 86%.

Rainfall

In Rochester Hills, in January, during 6.4 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Rochester Hills, during the entire year, the rain falls for 146.2 days and collects up to 18.5" (470mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Rochester Hills, Michigan, in January, snow falls for 15.7 days, with typically accumulated 3.15" (80mm) of snow. In Rochester Hills, during the entire year, snow falls for 62.5 days and aggregates up to 14.09" (358mm) of snow.

Daylight

In Rochester Hills, 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 5:09 pm. On the last day of January, sunrise is at 7:47 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 Rochester Hills, 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 unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 2 in January converts into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Jul 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

January is the coldest month, with an average high-temperature of 28°F (-2.2°C) and an average low-temperature of 17.8°F (-7.9°C).

How cold is January?

During January, Rochester Hills experiences an average high-temperature of 28°F (-2.2°C) and a low-temperature of 17.8°F (-7.9°C).

What is the most humid month?

The months with the highest humidity are January and February, with an average relative humidity of 86%.

What is the average humidity in January?

The average relative humidity in January in Rochester Hills is 86%.

How many days does it rain in January?

In January, the rain falls for 6.4 days. Throughout January, 1.1" (28mm) of precipitation is accumulated.

How much does it snow in January?

In Rochester Hills, in January, snow falls for 15.7 days, with typically accumulated 3.15" (80mm) of snow.

How many hours of daylight does Rochester Hills have in January?

The average day length in January is 9h and 28min.

When are sunrise and sunset in January?

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, sunrise is at 7:47 am and sunset at 5:44 pm EST.

What is the month with the least sunshine?

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

How many hours of sunshine does Rochester Hills have in January?

The average sunshine duration in January is 3.1h.

What is the UV index reading in January?

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
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
Rochester Hills, MI

Average temperature in January - Rochester Hills, MI
  • Average high temperature in January: 28°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 (28°F).

  • Average low temperature in January: 17.8°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).

Average pressure in January
Rochester Hills, MI

Average pressure in January - Rochester Hills, 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
Rochester Hills, MI

Average wind speed in January - Rochester Hills, MI
  • Average wind speed in January: 10.1mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

Average humidity in January
Rochester Hills, MI

Average humidity in January - Rochester Hills, MI
  • Average humidity in January: 86%

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, May, July and August (75%).

Average rainfall in January
Rochester Hills, MI

Average rainfall in January - Rochester Hills, MI
  • Average rainfall in January: 1.1"

The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are February and December (1.02").

Average rainfall days in January
Rochester Hills, MI

Average rainfall days in January - Rochester Hills, MI
  • Average rainfall days in January: 6.4 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.4 days).

Average snowfall in January
Rochester Hills, MI

Average snowfall in January - Rochester Hills, MI
  • Average snowfall in January: 3.15"

The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Rochester Hills, MI

Average snowfall days in January - Rochester Hills, MI
  • Average snowfall days in January: 15.7 days

The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Rochester Hills, MI

Average daylight in January / Average sunshine in January - Rochester Hills, 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 6min).

Average sunshine days in January
Rochester Hills, MI

Average sunshine days in January - Rochester Hills, MI
  • Average sunshine days in January: 11 days

The month with the most sunshine days is November (14.9 days).
The month with the least sunshine days is February (9.8 days).

Average UV index in January
Rochester Hills, MI

Average UV index in January - Rochester Hills, 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
Rochester Hills, MI

Average cloud cover in January - Rochester Hills, 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
Rochester Hills, MI

Average visibility in January - Rochester Hills, MI
  • Average visibility in January: 5mi

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

Rochester Hills, Michigan, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location