January weather forecastLongtown, SC
January
Weather in January
January, the same as December, is another fresh winter month in Longtown, South Carolina, with an average temperature varying between 37.6°F (3.1°C) and 52.2°F (11.2°C).Temperature
January brings the lowest temperatures, with an average high of 52.2°F (11.2°C) and an average low of 37.6°F (3.1°C).Humidity
The months with the lowest humidity in Longtown are January and November, with an average relative humidity of 70%.Rainfall
January and November are months with the least rain in Longtown when the rain falls for 10.6 days and typically aggregates up to 1.97" (50mm) of rain.Snowfall
January through March, November and December are months with snowfall. In Longtown, in January, snow falls for 0.5 days, with typically accumulated 0.16" (4mm) of snow. Throughout the year, there are 1.4 snowfall days, and 0.75" (19mm) of snow is accumulated.Daylight
In Longtown, the average length of the day in January is 10h and 10min.On the first day of the month, sunrise is at 7:29 am and sunset at 5:24 pm. On the last day of January, in Longtown, sunrise is at 7:21 am and sunset at 5:51 pm EST.
Sunshine
In Longtown, the average sunshine in January is 5.6h.UV index
With an average maximum UV index of 2, January is the month with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 2 in January transforms into this advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Longtown, SC
- Average high temperature in January: 52.2°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (52.2°F).
- Average low temperature in January: 37.6°F
The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).
Average pressure in January
Longtown, 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
Longtown, SC
- Average wind speed in January: 7.7mph
The windiest months (with the highest average wind speed) are February and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in January
Longtown, SC
- Average humidity in January: 70%
The month with the highest relative humidity is May (75%).
The months with the lowest relative humidity are January and November (70%).
Average rainfall in January
Longtown, SC
- Average rainfall in January: 1.97"
The wettest month (with the highest rainfall) is August (3.66").
The driest months (with the least rainfall) are January and November (1.97").
Average rainfall days in January
Longtown, SC
- Average rainfall days in January: 10.6 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is October (8.2 days).
Average snowfall in January
Longtown, SC
- Average snowfall in January: 0.16"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Longtown, SC
- Average snowfall days in January: 0.5 days
The months with the highest number of snowfall days are January and February (0.5 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
Longtown, SC
- Average daylight in January: 10h and 12min
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 36min
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 30min).
Average sunshine days in January
Longtown, SC
- Average sunshine days in January: 19.1 days
The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in January
Longtown, SC
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in January
Longtown, SC
- Average cloud cover in January: 37
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in January
Longtown, 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).





