January weather forecastRoanoke, IN

January

Weather in January

January, the same as December, in Roanoke, Indiana, is another subzero cold winter month, with temperature in the range of an average low of 19.2°F (-7.1°C) and an average high of 30.9°F (-0.6°C).

Temperature

January proves to be the coldest month, recording an average maximum temperature of 30.9°F (-0.6°C) and a minimum temperature of 19.2°F (-7.1°C).

Humidity

January and February, with an average relative humidity of 84%, are the most humid months.

Rainfall

In Roanoke, Indiana, during January, the rain falls for 6 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Roanoke, during the entire year, the rain falls for 125.6 days and collects up to 12.8" (325mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Roanoke, during January, snow falls for 11.8 days and regularly aggregates up to 1.06" (27mm) of snow. In Roanoke, during the entire year, snow falls for 41.1 days and aggregates up to 5.59" (142mm) of snow.

Daylight

The average length of the day in January is 9h and 38min.
On the first day of the month, sunrise is at 8:06 am and sunset at 5:23 pm. On the last day of January, sunrise is at 7:53 am and sunset at 5:56 pm EST.

Sunshine

The month with the least sunshine is January, with an average of 3.3h of sunshine.

UV index

The average daily maximum UV index in January is 2. 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: In January, a regular UV index of 2 translates into these guidelines:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

With an average high-temperature of 30.9°F (-0.6°C) and an average low-temperature of 19.2°F (-7.1°C), January is the coldest month.

During January, Roanoke experiences an average high-temperature of 30.9°F (-0.6°C) and a low-temperature of 19.2°F (-7.1°C).

The months with the highest humidity in Roanoke are January and February, with an average relative humidity of 84%.

In Roanoke, the average relative humidity in January is 84%.

In Roanoke, in January, during 6 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

In Roanoke, in January, during 11.8 snowfall days, 1.06" (27mm) of snow is typically accumulated.

The average day length in January is 9h and 38min.

In January, on the first day of the month, sunrise is at 8:06 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 5:56 pm EST.

The month with the least sunshine in Roanoke is January, with an average of 3.3h of sunshine.

The average sunshine duration in January is 3.3h.

In Roanoke, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Roanoke, IN

  • Average high temperature in January: 30.9°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.9°F).

  • Average low temperature in January: 19.2°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

Average pressure in January
Roanoke, IN

  • Average pressure in January: 30.11"Hg

The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in January
Roanoke, IN

  • Average wind speed in January: 10.5mph

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

Average humidity in January
Roanoke, IN

  • Average humidity in January: 84%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).

Average rainfall in January
Roanoke, IN

  • Average rainfall in January: 0.75"

The wettest month (with the highest rainfall) is May (1.65").
The driest month (with the least rainfall) is February (0.63").

Average rainfall days in January
Roanoke, IN

  • Average rainfall days in January: 6 days

The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (5.8 days).

Average snowfall in January
Roanoke, IN

  • Average snowfall in January: 1.06"

The month with the highest snowfall is February (1.57").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Roanoke, IN

  • Average snowfall days in January: 11.8 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Roanoke, IN

  • Average daylight in January: 9h and 36min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 3h and 18min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in January
Roanoke, IN

  • Average sunshine days in January: 15.8 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (12.8 days).

Average UV index in January
Roanoke, IN

  • Average UV index in January: 2

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

Average cloud cover in January
Roanoke, IN

  • Average cloud cover in January: 65

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in January
Roanoke, IN

  • Average visibility in January: 6mi

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