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, known for its average high temperature of 53.2°F (11.8°C) and an average low temperature of 38.1°F (3.4°C), is the coldest month.Humidity
The months with the lowest humidity are January and November, with an average relative humidity of 70%.Rainfall
In January, the rain falls for 11.5 days. Throughout January, 2.24" (57mm) of precipitation is accumulated. Throughout the year, in Swansea, there are 166.8 rainfall days, and 32.56" (827mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Swansea. The months with the most snowfall are January and February, with an average 0.31" (8mm) of accumulated snow.Daylight
In January, the average length of the day in Swansea is 10h and 13min.On the first day of the month, sunrise is at 7:29 am and sunset at 5:26 pm. On the last day of January, in Swansea, sunrise is at 7:21 am and sunset at 5:53 pm EST.
Sunshine
The average sunshine in January in Swansea, South Carolina, is 5.7h.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Swansea, South Carolina. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 3 in January translates into these instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Swansea?
What is the usual temperature for Swansea in January?
What is the least humid month in Swansea?
What is the average humidity in January in Swansea?
How much does it rain in Swansea in January?
What is the snowiest month in Swansea?
How many days does it snow in January in Swansea?
How many hours of daylight does Swansea have in January?
What time are sunrise and sunset in January in Swansea?
How long on average sun shines in January in Swansea?
When is the lowest UV index in Swansea?
How high is the UV index in January in Swansea?
Average temperature in January
Swansea, SC
- Average high temperature in January: 53.2°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (53.2°F).
- Average low temperature in January: 38.1°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).
Average pressure in January
Swansea, SC
- Average pressure in January: 30.14"Hg
The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in January
Swansea, SC
- Average wind speed in January: 8.1mph
The windiest months (with the highest average wind speed) are February, March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in January
Swansea, SC
- Average humidity in January: 70%
The month with the highest relative humidity is December (75%).
The months with the lowest relative humidity are January and November (70%).
Average rainfall in January
Swansea, SC
- Average rainfall in January: 2.24"
The wettest month (with the highest rainfall) is December (3.86").
The driest months (with the least rainfall) are September and November (2.01").
Average rainfall days in January
Swansea, SC
- Average rainfall days in January: 11.5 days
The month with the highest number of rainy days is July (19.9 days).
The months with the least rainy days are October and November (9 days).
Average snowfall in January
Swansea, SC
- Average snowfall in January: 0.31"
The months with the highest snowfall are January and February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Swansea, SC
- Average snowfall days in January: 0.7 days
The month with the highest number of snowfall days is January (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Swansea, 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 month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in January
Swansea, SC
- Average sunshine days in January: 17.7 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (8.4 days).
Average UV index in January
Swansea, SC
- 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 and December (UV index 3).
Average cloud cover in January
Swansea, SC
- Average cloud cover in January: 36
The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and October (Cloud cover 28).
Average visibility in January
Swansea, 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).
Swansea, South Carolina, USA
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