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, with its average high-temperature of 50°F (10°C) and an average low-temperature of 34.5°F (1.4°C), holds the record as the coldest month.Humidity
The average relative humidity in January is 73%.Rainfall
In Williamston, during January, the rain falls for 11.3 days and regularly aggregates up to 3.07" (78mm) of precipitation. In Williamston, during the entire year, the rain falls for 158.8 days and collects up to 38.35" (974mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Williamston, South Carolina, in January, during 1.1 snowfall days, 0.75" (19mm) of snow is typically accumulated. In Williamston, during the entire year, snow falls for 3.5 days and aggregates up to 2.68" (68mm) of snow.Daylight
The average length of the day in January is 10h and 9min.On the first day of the month, sunrise is at 7:36 am and sunset at 5:29 pm. On the last day of January, sunrise is at 7:28 am and sunset at 5:57 pm EST.
Sunshine
In Williamston, the average sunshine in January is 5.4h.UV index
The month with the lowest UV index is January, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: In January, the maximum UV index of 2 translates into these guidelines:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
What are the temperatures in January?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
What is the average length of the day in January in Williamston?
When is the sunrise / sunset in January?
How many hours of sunshine does Williamston have in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Williamston, SC
- Average high temperature in January: 50°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 (50°F).
- Average low temperature in January: 34.5°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).
Average pressure in January
Williamston, SC
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in January
Williamston, SC
- Average wind speed in January: 7.1mph
The windiest month (with the highest average wind speed) is February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in January
Williamston, SC
- Average humidity in January: 73%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in January
Williamston, SC
- Average rainfall in January: 3.07"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in January
Williamston, SC
- Average rainfall days in January: 11.3 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is October (8.5 days).
Average snowfall in January
Williamston, SC
- Average snowfall in January: 0.75"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Williamston, SC
- Average snowfall days in January: 1.1 days
The month with the highest number of snowfall days is February (1.3 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
Williamston, 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 2min
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 6min).
Average sunshine days in January
Williamston, SC
- Average sunshine days in January: 17.4 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in January
Williamston, SC
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in January
Williamston, SC
- Average cloud cover in January: 40
The months with the most cloud cover are February and December (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in January
Williamston, SC
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Williamston, South Carolina, USA
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