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 Charleston, Tennessee, the month of January registers the lowest temperatures, averaging 46.4°F (8°C) at the peak and 30.9°F (-0.6°C) at the lowest.Humidity
In Charleston, the average relative humidity in January is 76%.Rainfall
In Charleston, Tennessee, during January, the rain falls for 10.7 days and regularly aggregates up to 1.69" (43mm) of precipitation. Throughout the year, there are 148 rainfall days, and 23.9" (607mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Charleston. In Charleston, during January, snow falls for 1.4 days and regularly aggregates up to 0.55" (14mm) of snow. Throughout the year, in Charleston, there are 5.2 snowfall days, and 1.77" (45mm) of snow is accumulated.Daylight
The average length of the day in January in Charleston is 10h and 6min.On the first day of the month, sunrise is at 7:47 am and sunset at 5:37 pm. On the last day of January, in Charleston, sunrise is at 7:39 am and sunset at 6:05 pm EST.
Sunshine
In Charleston, the average sunshine in January is 5.4h.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 unsafe exposure to UV radiation for the average person.Note: The UV index of 2 during January leads to these advisories:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. 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 part of the year is the coldest in Charleston?
What are January temperatures in Charleston?
What is the average humidity in January in Charleston?
How many days does it rain in January in Charleston?
How many days does it snow in January in Charleston?
What is the average length of the day in January in Charleston?
When is the sunrise / sunset in January in Charleston?
How many hours of sunshine does Charleston have in January?
What is the month with the lowest UV index in Charleston?
How high is the UV index in January in Charleston?
Average temperature in January
Charleston, TN
- Average high temperature in January: 46.4°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (46.4°F).
- Average low temperature in January: 30.9°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in January
Charleston, 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 (29.98"Hg).
Average wind speed in January
Charleston, TN
- Average wind speed in January: 6.3mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in January
Charleston, 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, September, October and November (75%).
Average rainfall in January
Charleston, TN
- Average rainfall in January: 1.69"
The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in January
Charleston, TN
- Average rainfall days in January: 10.7 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in January
Charleston, TN
- Average snowfall in January: 0.55"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Charleston, TN
- Average snowfall days in January: 1.4 days
The month with the highest number of snowfall days is February (1.7 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
Charleston, 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 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in January
Charleston, TN
- Average sunshine days in January: 19.1 days
The months with the most sunshine days are October and November (21.2 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in January
Charleston, 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
Charleston, TN
- Average cloud cover in January: 46
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in January
Charleston, TN
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, May and December (5mi).
Charleston, Tennessee, USA
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