January weather forecastKnox, IN
January
Weather in January
January, like December, is a freezing cold winter month in Knox, Indiana, with an average temperature ranging between min 18.9°F (-7.3°C) and max 29.8°F (-1.2°C).Temperature
January is the coldest month, with an average high-temperature of 29.8°F (-1.2°C) and an average low-temperature of 18.9°F (-7.3°C).Humidity
The months with the highest humidity are January, February and July, with an average relative humidity of 84%.Rainfall
January is the month with the least rainfall in Knox, Indiana. Rain falls for 7.9 days and accumulates 1.85" (47mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Knox, in January, during 15.3 snowfall days, 4.76" (121mm) of snow is typically accumulated. Throughout the year, there are 51.1 snowfall days, and 17.68" (449mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 36min.On the first day of the month, sunrise is at 7:12 am and sunset at 4:27 pm. On the last day of January, sunrise is at 6:58 am and sunset at 5:01 pm CST.
Sunshine
The month with the least sunshine in Knox, Indiana, is January, with an average of 3.4h of sunshine.UV index
The average daily maximum UV index in January in Knox is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 2 during January leads to these advisories:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Knox, IN
- Average high temperature in January: 29.8°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in January: 18.9°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in January
Knox, 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
Knox, IN
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in January
Knox, IN
- Average humidity in January: 84%
The months with the highest relative humidity are January, February and July (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Knox, IN
- Average rainfall in January: 1.85"
The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in January
Knox, IN
- Average rainfall days in January: 7.9 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in January
Knox, IN
- Average snowfall in January: 4.76"
The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Knox, IN
- Average snowfall days in January: 15.3 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Knox, 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 24min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in January
Knox, IN
- Average sunshine days in January: 10.9 days
The month with the most sunshine days is November (14.6 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in January
Knox, 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
Knox, 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
Knox, IN
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
