January weather forecastKiawah Island, SC
January
Weather in January
The New Year greets Kiawah Island with temperatures between 46.4°F (8°C) and 57°F (13.9°C). The weather this month leans slightly cooler than December. Breezy conditions are common, signaled by average wind speeds of 10.4mph (16.7km/h). Each day offers roughly 10.3 hours of daylight, with sunshine accounting for over half of this time. A course of wet days can be anticipated, as sprinkles start the year.Temperature
In Kiawah Island, January is the month with the lowest recorded average temperatures, measuring a high of 57°F (13.9°C) and a low of 46.4°F (8°C).Humidity
The months with the lowest humidity are January, March and October, with an average relative humidity of 73%.Rainfall
The month with the least rainfall is January, when the rain falls for 5.7 days and typically collects 0.24" (6mm) of precipitation.Snowfall
Months with snowfall are January and December. January has the most snowfall days of the year. Snow falls for 0.2 days.Daylight
In Kiawah Island, the average length of the day in January is 10h and 17min.On the first day of January, sunrise is at 7:22 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:51 pm EST.
Sunshine
The average sunshine in January is 5.8h.UV index
January is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 3 in January suggests the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Kiawah Island, SC
- Average high temperature in January: 57°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (57°F).
- Average low temperature in January: 46.4°F
The months with the highest average low temperature are July and August (78.4°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).
Average pressure in January
Kiawah Island, SC
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in January
Kiawah Island, SC
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).
Average humidity in January
Kiawah Island, SC
- Average humidity in January: 73%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January, March and October (73%).
Average rainfall in January
Kiawah Island, SC
- Average rainfall in January: 0.24"
The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in January
Kiawah Island, SC
- Average rainfall days in January: 5.7 days
The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is November (5.2 days).
Average snowfall days in January
Kiawah Island, SC
- Average snowfall days in January: 0.2 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Kiawah Island, SC
- Average daylight in January: 10h and 18min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January: 5h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in January
Kiawah Island, SC
- Average sunshine days in January: 23.9 days
The month with the most sunshine days is January (23.9 days).
The month with the least sunshine days is August (8.5 days).
Average UV index in January
Kiawah Island, SC
- Average UV index in January: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in January
Kiawah Island, SC
- Average cloud cover in January: 34
The month with the most cloud cover is December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 25).
Average visibility in January
Kiawah Island, SC
- 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).





