January weather forecast
Gary, WV

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Weather in January

January sees the transition from the fresh chill of the end of the year to the harsh winter in Gary, West Virginia. Typical of this month are cloudy skies, frequent snowfall and experience rather cold temperatures. The climate data shows that January, with a minimal temperature of 25°F (-3.9°C) and snowfall reaching up to 4.25" (108mm), is the period of peak coldness. It marks a sharp contrast to the weather of the forthcoming spring months. As residents well know, the commencement of the year signals time for heavier coats and snow boots, bracing for the biting cold.

Temperature

With average high and low temperatures of 39.2°F (4°C) and 25°F (-3.9°C) respectively, January is Gary's coldest month.

Humidity

In Gary, the average relative humidity in January is 81%.

Rainfall

In Gary, in January, during 10.1 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. Throughout the year, there are 172.5 rainfall days, and 29.41" (747mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Gary are January through May, October through December. In Gary, in January, during 10.5 snowfall days, 4.25" (108mm) of snow is typically accumulated. In Gary, during the entire year, snow falls for 38.6 days and aggregates up to 20" (508mm) of snow.

Daylight

The average length of the day in January is 9h and 56min.
On the first day of the month, sunrise is at 7:40 am and sunset at 5:18 pm. On the last day of January, sunrise is at 7:30 am and sunset at 5:48 pm EST.

Sunshine

With an average of 4.2h of sunshine, January has the least sunshine of the year.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 2 during January translates into the following directions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Updated: Feb 14, 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 Gary?

The coldest period in Gary, West Virginia, tends to be January, when average temperatures fluctuate between a high of 39.2°F (4°C) and a low of 25°F (-3.9°C).

How cold is it in Gary in January?

Gary in January has an average high-temperature of 39.2°F (4°C) and an average low-temperature of 25°F (-3.9°C).

What is the average humidity in January in Gary?

The average relative humidity in January in Gary is 81%.

How much does it rain in Gary in January?

In Gary, in January, during 10.1 rainfall days, 2.17" (55mm) of precipitation is typically accumulated.

How many days does it snow in January in Gary?

In January, in Gary, it is snowing for 10.5 days. Throughout January, 4.25" (108mm) of snow is accumulated.

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

The average day length in January is 9h and 56min.

When is the sunrise / sunset in January in Gary?

In January, on the first day of the month, sunrise is at 7:40 am and sunset at 5:18 pm. On the last day of the month, in Gary, West Virginia, sunrise is at 7:30 am and sunset at 5:48 pm EST.

What is the month with the least sunshine in Gary?

With an average of 4.2h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January in Gary?

The average sunshine duration in January is 4.2h.

What are the months with the lowest UV index in Gary?

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Gary.

What is the UV index intensity in January in Gary?

The average daily maximum UV index in January in Gary, West Virginia, is 2. A UV Index of 2, and less, symbolizes 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
Gary, WV

Average temperature in January - Gary, WV
  • Average high temperature in January: 39.2°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (39.2°F).

  • Average low temperature in January: 25°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average pressure in January
Gary, WV

Average pressure in January - Gary, WV
  • Average pressure in January: 30.15"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in January
Gary, WV

Average wind speed in January - Gary, WV
  • Average wind speed in January: 7.3mph

The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in January
Gary, WV

Average humidity in January - Gary, WV
  • Average humidity in January: 81%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are July, August and November (76%).

Average rainfall in January
Gary, WV

Average rainfall in January - Gary, WV
  • Average rainfall in January: 2.17"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in January
Gary, WV

Average rainfall days in January - Gary, WV
  • Average rainfall days in January: 10.1 days

The month with the highest number of rainy days is May (19.7 days).
The months with the least rainy days are January and November (10.1 days).

Average snowfall in January
Gary, WV

Average snowfall in January - Gary, WV
  • Average snowfall in January: 4.25"

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

Average snowfall days in January
Gary, WV

Average snowfall days in January - Gary, WV
  • Average snowfall days in January: 10.5 days

The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Gary, WV

Average daylight in January / Average sunshine in January - Gary, WV
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in January: 4h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in January
Gary, WV

Average sunshine days in January - Gary, WV
  • Average sunshine days in January: 12.4 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is May (9.2 days).

Average UV index in January
Gary, WV

Average UV index in January - Gary, WV
  • Average UV index in January: 2

The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in January
Gary, WV

Average cloud cover in January - Gary, WV
  • Average cloud cover in January: 60

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are June and August (Cloud cover 36).

Average visibility in January
Gary, WV

Average visibility in January - Gary, WV
  • Average visibility in January: 5mi

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

Gary, West Virginia, USA

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