January weather forecastSouth Boston, VA
January
Weather in January
January, like December, is a frosty winter month in South Boston, Virginia, with an average temperature varying between 30.4°F (-0.9°C) and 45.5°F (7.5°C).Temperature
January, with an average high of 45.5°F (7.5°C) and a low of 30.4°F (-0.9°C), signifies the coldest month of the year.Humidity
In South Boston, Virginia, the average relative humidity in January is 73%.Rainfall
In South Boston, in January, during 10.1 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In South Boston, during the entire year, the rain falls for 157.9 days and collects up to 29.57" (751mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. The month with the most snowfall is January, when snow falls for 3.1 days and typically aggregates up to 2.48" (63mm) of snow.Daylight
In South Boston, Virginia, the average length of the day in January is 9h and 59min.On the first day of January, sunrise is at 7:27 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:39 pm EST.
Sunshine
In January, the average sunshine is 5.6h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 2 during January translates into these guidelines:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Around midday, solar radiation is most harmful; hence, exposure should be limited. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
South Boston, VA
- Average high temperature in January: 45.5°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in January: 30.4°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in January
South Boston, VA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in January
South Boston, VA
- Average wind speed in January: 6.7mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in January
South Boston, VA
- Average humidity in January: 73%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).
Average rainfall in January
South Boston, VA
- Average rainfall in January: 2.48"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in January
South Boston, VA
- Average rainfall days in January: 10.1 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in January
South Boston, VA
- Average snowfall in January: 2.48"
The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
South Boston, VA
- Average snowfall days in January: 3.1 days
The months with the highest number of snowfall days are January and February (3.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
South Boston, VA
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 5h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in January
South Boston, VA
- Average sunshine days in January: 18 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in January
South Boston, VA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in January
South Boston, VA
- Average cloud cover in January: 39
The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in January
South Boston, VA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
