January weather forecastJohnsons Mill, TN
January
Weather in January
January, the same as December, in Johnsons Mill, Tennessee, is a frosty winter month, with temperature in the range of an average low of 30.7°F (-0.7°C) and an average high of 45°F (7.2°C).Temperature
Johnsons Mill's coldest month, January, registers temperatures that range from a high of 45°F (7.2°C) to a low of 30.7°F (-0.7°C).Humidity
In Johnsons Mill, the average relative humidity in January is 76%.Rainfall
In Johnsons Mill, during January, the rain falls for 12.6 days and regularly aggregates up to 3.03" (77mm) of precipitation. Throughout the year, in Johnsons Mill, there are 178.7 rainfall days, and 39.21" (996mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Johnsons Mill. January is the month with the most snowfall. Snow falls for 3.9 days and accumulates 0.98" (25mm) of snow.Daylight
The average length of the day in January in Johnsons Mill, Tennessee, is 10h and 4min.On the first day of January, sunrise is at 6:58 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 5:14 pm CST.
Sunshine
In January, the average sunshine is 4.7h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 2 during January translates into the following directions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Johnsons Mill, TN
- Average high temperature in January: 45°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in January: 30.7°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in January
Johnsons Mill, TN
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in January
Johnsons Mill, TN
- Average wind speed in January: 8.2mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in January
Johnsons Mill, TN
- Average humidity in January: 76%
The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Johnsons Mill, TN
- Average rainfall in January: 3.03"
The wettest month (with the highest rainfall) is July (4.21").
The driest month (with the least rainfall) is September (2.44").
Average rainfall days in January
Johnsons Mill, TN
- Average rainfall days in January: 12.6 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in January
Johnsons Mill, TN
- Average snowfall in January: 0.98"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Johnsons Mill, TN
- Average snowfall days in January: 3.9 days
The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Johnsons Mill, TN
- Average daylight in January: 10h and 6min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January: 4h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in January
Johnsons Mill, TN
- Average sunshine days in January: 14.5 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in January
Johnsons Mill, TN
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in January
Johnsons Mill, TN
- Average cloud cover in January: 51
The months with the most cloud cover are February and December (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in January
Johnsons Mill, TN
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are January, May, July, August and September (5mi).
