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, noted for its average high-temperature of 52.9°F (11.6°C) and an average low-temperature of 38.1°F (3.4°C), is considered the coldest month.Humidity
The months with the lowest humidity are January and November, with an average relative humidity of 70%.Rainfall
The month with the least rainfall is January, when the rain falls for 10.5 days and typically collects 1.89" (48mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In South Sumter, during January, snow falls for 0.4 days and regularly aggregates up to 0.24" (6mm) of snow. Throughout the year, in South Sumter, there are 1.3 snowfall days, and 1.06" (27mm) of snow is accumulated.Daylight
In South Sumter, the average length of the day in January is 10h and 12min.On the first day of the month, sunrise is at 7:26 am and sunset at 5:23 pm. On the last day of January, sunrise is at 7:18 am and sunset at 5:50 pm EST.
Sunshine
In January, the average sunshine in South Sumter is 5.5h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, an average UV index of 3 transforms into the following instructions:
Undertake precautions - Guarding against sun damage is counselled. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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 usual temperature for South Sumter in January?
What are the least humid months?
What is the average humidity in January?
What is the driest month in South Sumter?
How many days does it rain in January?
How much does it snow in January?
How many hours of daylight does South Sumter have in January?
When are sunrise and sunset in January?
How many hours of sunshine does South Sumter have in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
South Sumter, SC
- Average high temperature in January: 52.9°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (52.9°F).
- Average low temperature in January: 38.1°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).
Average pressure in January
South Sumter, 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
South Sumter, SC
- Average wind speed in January: 8mph
The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in January
South Sumter, SC
- Average humidity in January: 70%
The month with the highest relative humidity is May (76%).
The months with the lowest relative humidity are January and November (70%).
Average rainfall in January
South Sumter, SC
- Average rainfall in January: 1.89"
The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in January
South Sumter, SC
- Average rainfall days in January: 10.5 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is October (8.5 days).
Average snowfall in January
South Sumter, SC
- Average snowfall in January: 0.24"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
South Sumter, SC
- Average snowfall days in January: 0.4 days
The month with the highest number of snowfall days is February (0.6 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
South Sumter, 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: 9h and 54min).
- Average sunshine in January: 5h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in January
South Sumter, SC
- Average sunshine days in January: 19.2 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in January
South Sumter, 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
South Sumter, SC
- Average cloud cover in January: 38
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in January
South Sumter, 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).
South Sumter, South Carolina, USA
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