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, the month of January registers the lowest temperatures, averaging 41.2°F (5.1°C) at the peak and 28°F (-2.2°C) at the lowest.Humidity
The average relative humidity in January is 77%.Rainfall
In Charleston, in January, it is raining for 6.9 days, with typically 0.71" (18mm) of accumulated precipitation. In Charleston, during the entire year, the rain falls for 118.1 days and collects up to 12.28" (312mm) of precipitation.Snowfall
Months with snowfall in Charleston, Kentucky, are January through March, November and December. In Charleston, during January, snow falls for 2.9 days and regularly aggregates up to 0.2" (5mm) of snow. Throughout the year, there are 8.7 snowfall days, and 0.91" (23mm) of snow is accumulated.Daylight
The average length of the day in January in Charleston, Kentucky, is 9h and 57min.On the first day of the month, sunrise is at 7:04 am and sunset at 4:43 pm. On the last day of January, in Charleston, sunrise is at 6:54 am and sunset at 5:13 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 4.6h of sunshine.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Charleston. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Charleston?
How cold does it get in Charleston in January?
What is the average humidity in January in Charleston?
How many days does it rain in January in Charleston?
How much does it snow in Charleston in January?
How many hours of daylight does Charleston have in January?
When is the sunrise / sunset in January in Charleston?
What is the month with the least sunshine 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, KY
- Average high temperature in January: 41.2°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (41.2°F).
- Average low temperature in January: 28°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (28°F).
Average pressure in January
Charleston, KY
- 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 (29.95"Hg).
Average wind speed in January
Charleston, KY
- Average wind speed in January: 9.3mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in January
Charleston, KY
- Average humidity in January: 77%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Charleston, KY
- Average rainfall in January: 0.71"
The wettest month (with the highest rainfall) is April (1.34").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in January
Charleston, KY
- Average rainfall days in January: 6.9 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in January
Charleston, KY
- Average snowfall in January: 0.2"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Charleston, KY
- Average snowfall days in January: 2.9 days
The month with the highest number of snowfall days is January (2.9 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, KY
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in January
Charleston, KY
- Average sunshine days in January: 21 days
The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is May (14.1 days).
Average UV index in January
Charleston, KY
- 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, KY
- Average cloud cover in January: 52
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in January
Charleston, KY
- 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).
Charleston, Kentucky, USA
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