January weather forecastAltamont, TN
January
Weather in January
January, like December, is a frosty winter month in Altamont, Tennessee, with an average temperature fluctuating between 44.1°F (6.7°C) and 29.7°F (-1.3°C).Temperature
Altamont's coldest temperatures are experienced in January, with average high temperatures of 44.1°F (6.7°C) and lows of 29.7°F (-1.3°C).Humidity
In Altamont, the average relative humidity in January is 78%.Rainfall
In January, the rain falls for 12.6 days. Throughout January, 3.39" (86mm) of precipitation is accumulated. In Altamont, Tennessee, during the entire year, the rain falls for 182.8 days and collects up to 45.91" (1166mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Altamont, in January, during 4.8 snowfall days, 1.42" (36mm) of snow is typically accumulated. Throughout the year, in Altamont, Tennessee, there are 16.6 snowfall days, and 6.5" (165mm) of snow is accumulated.Daylight
The average length of the day in January is 10h and 5min.On the first day of January, sunrise is at 6:51 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 5:09 pm CST.
Sunshine
In January, the average sunshine in Altamont is 4.6h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 2 in January transforms into this advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Altamont, TN
- Average high temperature in January: 44.1°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (44.1°F).
- Average low temperature in January: 29.7°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in January
Altamont, 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 (29.98"Hg).
Average wind speed in January
Altamont, TN
- Average wind speed in January: 6.8mph
The windiest month (with the highest average wind speed) is February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in January
Altamont, TN
- Average humidity in January: 78%
The month with the highest relative humidity is December (82%).
The months with the lowest relative humidity are October and November (77%).
Average rainfall in January
Altamont, TN
- Average rainfall in January: 3.39"
The wettest month (with the highest rainfall) is July (4.92").
The driest month (with the least rainfall) is November (2.8").
Average rainfall days in January
Altamont, TN
- Average rainfall days in January: 12.6 days
The month with the highest number of rainy days is July (21.4 days).
The month with the least rainy days is November (10 days).
Average snowfall in January
Altamont, TN
- Average snowfall in January: 1.42"
The month with the highest snowfall is February (2.6").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Altamont, TN
- Average snowfall days in January: 4.8 days
The month with the highest number of snowfall days is February (5.1 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
Altamont, 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 36min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in January
Altamont, TN
- Average sunshine days in January: 15.4 days
The month with the most sunshine days is October (18 days).
The month with the least sunshine days is July (7.1 days).
Average UV index in January
Altamont, 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
Altamont, TN
- Average cloud cover in January: 52
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 34).
Average visibility in January
Altamont, TN
- Average visibility in January: 5mi
The month with the highest visibility is November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October and December (5mi).





