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, noted for its average high-temperature of 46°F (7.8°C) and an average low-temperature of 30.7°F (-0.7°C), is considered the coldest month.Humidity
In Ruby Falls, the average relative humidity in January is 76%.Rainfall
In Ruby Falls, during January, the rain falls for 13.2 days and regularly aggregates up to 3.62" (92mm) of precipitation. In Ruby Falls, during the entire year, the rain falls for 174.4 days and collects up to 41.14" (1045mm) of precipitation.Snowfall
Months with snowfall in Ruby Falls are January through April, November and December. In Ruby Falls, during January, snow falls for 4.1 days and regularly aggregates up to 0.87" (22mm) of snow. In Ruby Falls, during the entire year, snow falls for 13.2 days and aggregates up to 4.17" (106mm) of snow.Daylight
In January, the average length of the day is 10h and 7min.On the first day of the month, sunrise is at 7:49 am and sunset at 5:40 pm. On the last day of January, sunrise is at 7:40 am and sunset at 6:08 pm EST.
Sunshine
The average sunshine in January is 5.3h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In January, the maximum UV index of 2 suggests these recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
What is the temperature in January?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
How many hours of sunshine does Ruby Falls have in January?
What is the month with the lowest UV index in Ruby Falls?
How high is the UV index in January?
Average temperature in January
Ruby Falls, TN
- Average high temperature in January: 46°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (46°F).
- Average low temperature in January: 30.7°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in January
Ruby Falls, 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
Ruby Falls, TN
- Average wind speed in January: 6.2mph
The windiest month (with the highest average wind speed) is February (6.4mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in January
Ruby Falls, TN
- Average humidity in January: 76%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, July, August, October and November (75%).
Average rainfall in January
Ruby Falls, TN
- Average rainfall in January: 3.62"
The wettest month (with the highest rainfall) is December (4.37").
The driest month (with the least rainfall) is September (2.56").
Average rainfall days in January
Ruby Falls, TN
- Average rainfall days in January: 13.2 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in January
Ruby Falls, TN
- Average snowfall in January: 0.87"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Ruby Falls, TN
- Average snowfall days in January: 4.1 days
The month with the highest number of snowfall days is January (4.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Ruby Falls, TN
- Average daylight in January: 10h and 1min
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: 5h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in January
Ruby Falls, TN
- Average sunshine days in January: 15.3 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in January
Ruby Falls, 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
Ruby Falls, TN
- Average cloud cover in January: 48
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in January
Ruby Falls, TN
- Average visibility in January: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
Ruby Falls, Tennessee, USA
Weather forecast for your location
2. Allow the app to use your location