January weather forecast
Williamston, MI

Share

Weather in January

January, the same as December, in Williamston, Michigan, is a freezing cold winter month, with temperature in the range of an average high of 27.7°F (-2.4°C) and an average low of 17.1°F (-8.3°C).

Temperature

In Williamston, the month of January is known for its lowest average temperatures, reaching a high of 27.7°F (-2.4°C) and a low of 17.1°F (-8.3°C).

Humidity

The months with the highest humidity in Williamston are January and February, with an average relative humidity of 87%.

Rainfall

In Williamston, during January, the rain falls for 6.8 days and regularly aggregates up to 1.81" (46mm) of precipitation. In Williamston, during the entire year, the rain falls for 150.4 days and collects up to 24.65" (626mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Williamston, in January, during 17.5 snowfall days, 4.88" (124mm) of snow is typically accumulated. In Williamston, during the entire year, snow falls for 66.3 days and aggregates up to 19.17" (487mm) of snow.

Daylight

The average length of the day in January is 9h and 28min.
On the first day of the month, sunrise is at 8:07 am and sunset at 5:13 pm. On the last day of January, sunrise is at 7:52 am and sunset at 5:48 pm EST.

Sunshine

The month with the least sunshine is January, with an average of 2.7h of sunshine.

UV index

The months with the lowest UV index in Williamston, Michigan, are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 1 in January transforms into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Feb 12, 2024 | Published by: Weather U.S. | Resources

Frequently asked questions

What are the coldest months in Williamston?

The month of January, characterized by an average high of 27.7°F (-2.4°C) and a low of 17.1°F (-8.3°C), is recognized as the coldest in Williamston, Michigan.

How cold is January in Williamston?

In Williamston, in January, the average high-temperature is 27.7°F (-2.4°C), and the average low-temperature is 17.1°F (-8.3°C).

What is the most humid month in Williamston?

The months with the highest humidity in Williamston are January and February, with an average relative humidity of 87%.

What is the average humidity in January in Williamston?

In Williamston, the average relative humidity in January is 87%.

How many days does it rain in January in Williamston?

In Williamston, Michigan, in January, during 6.8 rainfall days, 1.81" (46mm) of precipitation is typically accumulated.

How much does it snow in Williamston in January?

In January, in Williamston, it is snowing for 17.5 days. Throughout January, 4.88" (124mm) of snow is accumulated.

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

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

When are sunrise and sunset in January in Williamston?

On the first day of January, sunrise is at 8:07 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:48 pm EST.

What is the month with the least sunshine in Williamston?

The month with the least sunshine is January, with an average of 2.7h of sunshine.

How many hours of sunshine does Williamston have in January?

The average sunshine duration in January in Williamston is 2.7h.

When is the lowest UV index in Williamston?

The months with the lowest UV index in Williamston are January and December, with an average maximum UV index of 1.

What is the UV index intensity in January in Williamston?

The average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents a low health threat from unsafe 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
Williamston, MI

Average temperature in January - Williamston, MI
  • Average high temperature in January: 27.7°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in January: 17.1°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

[Resources]

Average pressure in January
Williamston, MI

Average pressure in January - Williamston, 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).

[Resources]

Average wind speed in January
Williamston, MI

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

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

[Resources]

Average humidity in January
Williamston, MI

Average humidity in January - Williamston, MI
  • Average humidity in January: 87%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (77%).

[Resources]

Average rainfall in January
Williamston, MI

Average rainfall in January - Williamston, MI
  • Average rainfall in January: 1.81"

The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is December (1.42").

[Resources]

Average rainfall days in January
Williamston, MI

Average rainfall days in January - Williamston, MI
  • Average rainfall days in January: 6.8 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.2 days).

[Resources]

Average snowfall in January
Williamston, MI

Average snowfall in January - Williamston, MI
  • Average snowfall in January: 4.88"

The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in January
Williamston, MI

Average snowfall days in January - Williamston, MI
  • Average snowfall days in January: 17.5 days

The month with the highest number of snowfall days is January (17.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in January / Average sunshine in January - Williamston, 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: 2h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).

[Resources]

Average sunshine days in January
Williamston, MI

Average sunshine days in January - Williamston, MI
  • Average sunshine days in January: 8.9 days

The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is February (8.6 days).

[Resources]

Average UV index in January
Williamston, MI

Average UV index in January - Williamston, MI
  • Average UV index in January: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

[Resources]

Average cloud cover in January
Williamston, MI

Average cloud cover in January - Williamston, MI
  • Average cloud cover in January: 71

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 31).

[Resources]

Average visibility in January
Williamston, MI

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

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

[Resources]

Williamston, Michigan, USA

Weather forecast for your location

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