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
The month of January, characterized by an average high of 48°F (8.9°C) and a low of 31.5°F (-0.3°C), is recognized as the coldest.Humidity
In Charleston, the average relative humidity in January is 73%.Rainfall
January is the month with the least rainfall. Rain falls for 7.3 days and accumulates 0.91" (23mm) of precipitation.Snowfall
Months with snowfall are January through March and December. In Charleston, in January, during 0.8 snowfall days, 0.24" (6mm) of snow is typically accumulated. Throughout the year, there are 3.6 snowfall days, and 0.63" (16mm) of snow is accumulated.Daylight
The average length of the day in January is 10h and 6min.On the first day of the month, sunrise is at 7:24 am and sunset at 5:14 pm. On the last day of January, sunrise is at 7:16 am and sunset at 5:42 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 5.5h of sunshine.UV index
The average daily maximum UV index in January is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In January, a daily maximum UV index of 3 leads to the following instructions:
Take precautions - Protection against skin and eye damage is obliged. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
What is the temperature in January?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Charleston have in January?
How high is the UV index in January?
Average temperature in January
Charleston, AR
- Average high temperature in January: 48°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (48°F).
- Average low temperature in January: 31.5°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in January
Charleston, AR
- 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 (29.93"Hg).
Average wind speed in January
Charleston, AR
- Average wind speed in January: 6.2mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in January
Charleston, AR
- Average humidity in January: 73%
The months with the highest relative humidity are March and May (78%).
The months with the lowest relative humidity are July and August (70%).
Average rainfall in January
Charleston, AR
- Average rainfall in January: 0.91"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in January
Charleston, AR
- Average rainfall days in January: 7.3 days
The months with the highest number of rainy days are May and July (13.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in January
Charleston, AR
- Average snowfall in January: 0.24"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Charleston, AR
- Average snowfall days in January: 0.8 days
The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Charleston, AR
- 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in January
Charleston, AR
- Average sunshine days in January: 22.3 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (14.8 days).
Average UV index in January
Charleston, AR
- Average UV index in January: 3
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in January
Charleston, AR
- Average cloud cover in January: 38
The months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in January
Charleston, AR
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Charleston, Arkansas, USA
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