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, marked by an average high-temperature of 50°F (10°C) and a low-temperature of 35.6°F (2°C), is the coldest month.Humidity
The average relative humidity in January is 77%.Rainfall
In January, the rain falls for 8.5 days. Throughout January, 1.02" (26mm) of precipitation is accumulated. In Charleston, during the entire year, the rain falls for 113.7 days and collects up to 13.27" (337mm) of precipitation.Snowfall
January, February, November and December are months with snowfall. In Charleston, in January, snow falls for 0.4 days, with typically accumulated 0.04" (1mm) of snow. Throughout the year, in Charleston, there are 2.5 snowfall days, and 0.35" (9mm) of snow is accumulated.Daylight
In Charleston, the average length of the day in January is 10h and 11min.On the first day of the month, sunrise is at 7:05 am and sunset at 5:01 pm. On the last day of January, in Charleston, sunrise is at 6:57 am and sunset at 5:29 pm CST.
Sunshine
In Charleston, the average sunshine in January is 4.9h.UV index
The months with the lowest UV index in Charleston, Mississippi, are January, February, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 3 during January leads to these instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. When the Sun is at its strongest around midday, find shade and limit exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year 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 much does it snow in Charleston in January?
How many hours of daylight does Charleston have in January?
When are sunrise and sunset in January in Charleston?
How long on average sun shines in January in Charleston?
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, MS
- Average high temperature in January: 50°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (50°F).
- Average low temperature in January: 35.6°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (35.6°F).
Average pressure in January
Charleston, MS
- 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, MS
- Average wind speed in January: 8.1mph
The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Charleston, MS
- Average humidity in January: 77%
The months with the highest relative humidity are February, March and December (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in January
Charleston, MS
- Average rainfall in January: 1.02"
The wettest month (with the highest rainfall) is July (1.57").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in January
Charleston, MS
- Average rainfall days in January: 8.5 days
The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is November (5.3 days).
Average snowfall in January
Charleston, MS
- Average snowfall in January: 0.04"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in January
Charleston, MS
- Average snowfall days in January: 0.4 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Charleston, MS
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in January
Charleston, MS
- Average sunshine days in January: 20.4 days
The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is July (13.5 days).
Average UV index in January
Charleston, MS
- Average UV index in January: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
Charleston, MS
- 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 September (Cloud cover 28).
Average visibility in January
Charleston, MS
- 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, Mississippi, USA
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