January weather forecast
Indiana, USA

January stands out as the coldest month in Indiana's calendar year. As the state is still in the grip of winter, it witnesses severe cold temperatures throughout its regions. Northern parts of the state, especially areas close to Lake Michigan, experience the brunt of the cold with nighttime temperatures often plummeting below 15°F (-9.4°C). The lake effect contributes significantly to the weather patterns, particularly influencing the amount of snowfall in northern Indiana. Regions in proximity to Lake Michigan tend to receive substantial snowfall, compared to the southwestern parts, which might see lesser accumulation.

In comparison to December, January is more intense in terms of cold, and it sets the stage for February, which continues the winter trend but usually with slightly milder conditions. January's stark coldness is attributed to frequent invasions of polar air masses, which move southward from the Arctic regions. These air masses cause significant temperature drops and increase the chances of snowstorms, especially in the northern areas of the state.

On the precipitation front, while snowfall is more pronounced in regions near Lake Michigan, the rest of Indiana doesn't stay immune. Snow-covered landscapes are a common sight, with a notable difference in accumulation from the north to the south. This month doesn't register the maximum snowfall, but it does set a consistent tone for what one might expect in a typical Indiana winter.

When it comes to sunlight, January, consistent with the winter season, offers limited sunshine. With the Great Lakes region being the cloudiest, the sun is often obscured by cloud cover, setting a predominantly gray tone for the month. Those visiting or residing in Indiana during January should be well-prepared with adequate winter gear to navigate the cold and snowy conditions.

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• Indianapolis - January »
  In Indianapolis during January, the rain falls for 7.2 days and regularly aggregates up to 1.38" (35mm) of precipitation. The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2.
• Fort Wayne - January »
  Starting off the year, January experiences cold temperatures in Fort Wayne with one of the highest relative humidity levels in the year. In Fort Wayne in January, snow falls for 13.3 days, with typically accumulated 2.91" (74mm) of snow.
• Evansville - January »
  The month with the most snowfall in Evansville is January, when snow falls for 5.7 days and typically aggregates up to 1.42" (36mm) of snow. In Evansville in January, during 5.7 snowfall days, 1.42" (36mm) of snow is typically accumulated.
• South Bend - January »
  The month with the most snowfall in South Bend is January, when snow falls for 18 days and typically aggregates up to 4.61" (117mm) of snow. In South Bend, during January, snow falls for 18 days and regularly aggregates up to 4.61" (117mm) of snow.
• Carmel - January »
  The month of January, characterized by an average high of 32.2°F (0.1°C) and a low of 20.5°F (-6.4°C), is recognized as the coldest in Carmel, Indiana. In Carmel, in January, during 8 snowfall days, 1.22" (31mm) of snow is typically accumulated.
• Bloomington - January »
  In Bloomington in January, it is raining for 7.9 days, with typically 1.93" (49mm) of accumulated precipitation. In Bloomington, in January, during 7.1 snowfall days, 2.28" (58mm) of snow is typically accumulated.
• Fishers - January »
  In Fishers, during January, snow falls for 8.5 days and regularly aggregates up to 1.81" (46mm) of snow. On the first day of January in Fishers sunrise is at 8:05 am and sunset at 5:29 pm.
• Hammond - January »
  The month with the least rainfall in Hammond is January, when the rain falls for 6.7 days and typically collects 1.14" (29mm) of precipitation. In Hammond in January, snow falls for 12.5 days, with typically accumulated 3.19" (81mm) of snow.
• Gary - January »
  The year in Gary kicks off with January, a month known for chilly temperatures and snowfall. In Gary in January, during 6.3 rainfall days, 1.14" (29mm) of precipitation is typically accumulated.
• Lafayette - January »
  The months with the most snowfall in Lafayette are January and February, with an average 2.44" (62mm) of accumulated snow. January weather in Lafayette, Indiana, starts the year with a chill, characterized by snowfall and cold temperatures.
• Muncie - January »
  In Muncie, Indiana, in January, during 7.8 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. In Muncie, in January, during 12.8 snowfall days, 2.87" (73mm) of snow is typically accumulated.
• Terre Haute - January »
  The month with the most snowfall in Terre Haute is January, when snow falls for 7.8 days and typically aggregates up to 2.56" (65mm) of snow. The months with the lowest UV index in Terre Haute, Indiana, are January, February, October through December, with an average maximum UV index of 2.