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
In Swannsylvania, January records the lowest average temperatures, peaking at 44.2°F (6.8°C) and reaching a low of 28.6°F (-1.9°C).Humidity
In January, the average relative humidity is 76%.Rainfall
In Swannsylvania, in January, it is raining for 10.3 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, there are 150.7 rainfall days, and 23.5" (597mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. January is the month with the most snowfall. Snow falls for 4.8 days and accumulates 1.46" (37mm) of snow.Daylight
In January, the average length of the day is 10h and 2min.On the first day of January, sunrise is at 7:43 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:58 pm EST.
Sunshine
With an average of 5.2h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In January, the maximum UV index of 2 suggests this advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
Is it cold during January?
What is the average humidity in January?
How much does it rain in January?
What is the snowiest month in Swannsylvania?
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?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Swannsylvania, TN
- Average high temperature in January: 44.2°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in January: 28.6°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in January
Swannsylvania, TN
- Average pressure in January: 30.16"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in January
Swannsylvania, TN
- Average wind speed in January: 5.7mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in January
Swannsylvania, TN
- Average humidity in January: 76%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).
Average rainfall in January
Swannsylvania, TN
- Average rainfall in January: 1.97"
The wettest month (with the highest rainfall) is February (2.99").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in January
Swannsylvania, TN
- Average rainfall days in January: 10.3 days
The months with the highest number of rainy days are May and July (15.3 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in January
Swannsylvania, TN
- Average snowfall in January: 1.46"
The month with the highest snowfall is January (1.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Swannsylvania, TN
- Average snowfall days in January: 4.8 days
The month with the highest number of snowfall days is January (4.8 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
Swannsylvania, TN
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January: 5h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in January
Swannsylvania, TN
- Average sunshine days in January: 16.3 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in January
Swannsylvania, 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, February and December (UV index 2).
Average cloud cover in January
Swannsylvania, TN
- Average cloud cover in January: 46
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 26).
Average visibility in January
Swannsylvania, TN
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Swannsylvania, Tennessee, USA
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