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 days in January
- Average sea temperature 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 is the month that records the lowest temperatures in Folly Beach, with averages ranging from a high of 57°F (13.9°C) to a low of 46.4°F (8°C).Humidity
January, March and October, with an average relative humidity of 73%, are the least humid months.Rainfall
The month with the least rainfall in Folly Beach is January, when the rain falls for 5.7 days and typically collects 0.24" (6mm) of precipitation.Snowfall
Months with snowfall in Folly Beach are January and December. The month with the most snowfall days is January, when snow falls for 0.2 days.Ocean temperature
In Folly Beach, the average seawater temperature in January is 63.1°F (17.3°C).Note: The majority of individuals find swimming in 63.1°F (17.3°C) to be unenjoyable. The difficulty in controlling breathing rises as the temperature decreases from 69.8°F (21°C) to 59°F (15°C).
Daylight
In January, the average length of the day in Folly Beach, South Carolina, is 10h and 17min.On the first day of January in Folly Beach, sunrise is at 7:21 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:51 pm EST.
Sunshine
In January, the average sunshine in Folly Beach is 5.8h.UV index
The month with the lowest UV index is January, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 3 in January transforms into the following instructions:
Adopt protective measures - It is advised to guard against sun damage. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
What month is the coldest in Folly Beach?
What is the temperature in January in Folly Beach?
What are the least humid months in Folly Beach?
What is the average humidity in January in Folly Beach?
What is the driest month in Folly Beach?
How many days does it rain in January in Folly Beach?
When does it snow the most in Folly Beach?
What is the last month it snows in Folly Beach?
How cold is the water in January in Folly Beach?
What is the average length of the day in January in Folly Beach?
When is the sunrise / sunset in January in Folly Beach?
How many hours of sunshine does Folly Beach have in January?
When is the lowest UV index in Folly Beach?
How high is the UV index in January in Folly Beach?
Average temperature in January
Folly Beach, 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
Folly Beach, 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
Folly Beach, 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
Folly Beach, 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
Folly Beach, 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
Folly Beach, 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
Folly Beach, 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 sea temperature in January
Folly Beach, SC
- Average sea temperature in January: 63.1°F
The best month for swimming (with the highest average sea temperature) is August (83.5°F).
The coldest month (with the lowest average sea temperature) is February (61.9°F).
Average daylight in January /
Average sunshine in January
Folly Beach, SC
- Average daylight in January: 10h and 2min
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 5min
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
Folly Beach, 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
Folly Beach, 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
Folly Beach, 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
Folly Beach, 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).
Folly Beach, South Carolina, USA
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