Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January, on average, is the coldest month, registering a high temperature of 30.9°F (-0.6°C) and a low of 19.2°F (-7.1°C).Humidity
January and February, with an average relative humidity of 84%, are the most humid months in Roanoke, Indiana.Rainfall
In Roanoke, in January, during 6 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. Throughout the year, in Roanoke, Indiana, there are 125.6 rainfall days, and 12.8" (325mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. 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
In January, the average length of the day in Roanoke 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
With an average of 3.3h of sunshine, January has the least sunshine of the year in Roanoke.UV index
In Roanoke, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 2 during January leads to these instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What are the coldest months in Roanoke?
How cold is it in Roanoke in January?
What are the most humid months in Roanoke?
What is the average humidity in January in Roanoke?
How many days does it rain in January in Roanoke?
How many days does it snow in January in Roanoke?
What is the average length of the day in January in Roanoke?
When are sunrise and sunset in January in Roanoke?
What is the month with the least sunshine in Roanoke?
How many hours of sunshine does Roanoke have in January?
How high is the UV index in January in Roanoke?
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 4min
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 2min
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).
Roanoke, Indiana, USA
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