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 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, having an average high-temperature of 54.3°F (12.4°C) and an average low-temperature of 42.1°F (5.6°C), is the coldest month.Humidity
The months with the lowest humidity are January and November, with an average relative humidity of 74%.Rainfall
January is the month with the least rainfall. Rain falls for 10.3 days and accumulates 1.02" (26mm) of precipitation.Snowfall
January, February and December are months with snowfall. In Myrtle Beach, in January, snow falls for 0.4 days, with typically accumulated 0.04" (1mm) of snow. In Myrtle Beach, during the entire year, snow falls for 1 days and aggregates up to 0.16" (4mm) of snow.Ocean temperature
In Myrtle Beach, the average seawater temperature in January is 60.8°F (16°C).Note: In water of 60.8°F (16°C), the majority of people do not enjoy swimming. Breathing becomes increasingly hard to manage as the temperature drops from 69.8°F (21°C) to 59°F (15°C).
Daylight
The average length of the day in January is 10h and 13min.On the first day of January, sunrise is at 7:20 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:45 pm EST.
Sunshine
In January, the average sunshine in Myrtle Beach is 5.7h.UV index
With an average maximum UV index of 3, January is the month with the lowest UV index in Myrtle Beach. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 3 during January, leads to the following recommendations:
Act with care - The need to guard against sun damage is communicated. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
What is the average January temperature?
What are the least humid months in Myrtle Beach?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January in Myrtle Beach?
How many days does it snow in January?
What is the ocean temperature in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Myrtle Beach have in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Myrtle Beach, SC
- Average high temperature in January: 54.3°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (54.3°F).
- Average low temperature in January: 42.1°F
The month with the highest average low temperature is July (76.3°F).
The coldest month (with the lowest average low temperature) is January (42.1°F).
Average pressure in January
Myrtle Beach, SC
- Average pressure in January: 30.13"Hg
The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in January
Myrtle Beach, SC
- Average wind speed in January: 9.6mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (7.9mph).
Average humidity in January
Myrtle Beach, SC
- Average humidity in January: 74%
The months with the highest relative humidity are May, June, August and December (78%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in January
Myrtle Beach, SC
- Average rainfall in January: 1.02"
The wettest month (with the highest rainfall) is August (4.53").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in January
Myrtle Beach, SC
- Average rainfall days in January: 10.3 days
The months with the highest number of rainy days are July and August (19.8 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in January
Myrtle Beach, SC
- Average snowfall in January: 0.04"
The month with the highest snowfall is February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Myrtle Beach, SC
- Average snowfall days in January: 0.4 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in January
Myrtle Beach, SC
- Average sea temperature in January: 60.7°F
The best month for swimming (with the highest average sea temperature) is August (82.9°F).
The coldest month (with the lowest average sea temperature) is March (57.7°F).
Average daylight in January /
Average sunshine in January
Myrtle Beach, SC
- 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: 10h and 0min).
- Average sunshine in January: 5h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in January
Myrtle Beach, SC
- Average sunshine days in January: 18.4 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in January
Myrtle Beach, SC
- Average UV index in January: 3
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in January
Myrtle Beach, SC
- Average cloud cover in January: 37
The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in January
Myrtle 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).
Myrtle Beach, South Carolina, USA
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