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, having an average high-temperature of 54°F (12.2°C) and an average low-temperature of 38.8°F (3.8°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 Williston, during January, the rain falls for 10.8 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Williston, during the entire year, the rain falls for 157.7 days and collects up to 30.2" (767mm) of precipitation.Snowfall
Months with snowfall in Williston are January, February and December. The month with the most snowfall in Williston is January, when snow falls for 0.6 days and typically aggregates up to 0.31" (8mm) of snow.Daylight
In Williston, the average length of the day in January is 10h and 14min.On the first day of the month, sunrise is at 7:29 am and sunset at 5:28 pm. On the last day of January, in Williston, South Carolina, sunrise is at 7:22 am and sunset at 5:55 pm EST.
Sunshine
The average sunshine in January in Williston is 5.7h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 3 during January, leads to the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
What is the coldest month in Williston?
What are the temperatures in Williston in January?
What are the least humid months in Williston?
What is the average humidity in January in Williston?
How many days does it rain in January in Williston?
When does it snow the most in Williston?
How much does it snow in Williston in January?
How many hours of daylight does Williston have in January?
When is the sunrise / sunset in January in Williston?
How long on average sun shines in January in Williston?
What is the month with the lowest UV index in Williston?
How high is the UV index in January in Williston?
Average temperature in January
Williston, SC
- Average high temperature in January: 54°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (54°F).
- Average low temperature in January: 38.8°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in January
Williston, 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
Williston, SC
- Average wind speed in January: 8.2mph
The windiest months (with the highest average wind speed) are February, March and April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in January
Williston, 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
Williston, SC
- Average rainfall in January: 1.93"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in January
Williston, SC
- Average rainfall days in January: 10.8 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in January
Williston, SC
- Average snowfall in January: 0.31"
The month with the highest snowfall is January (0.31").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Williston, SC
- Average snowfall days in January: 0.6 days
The month with the highest number of snowfall days is January (0.6 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
Williston, SC
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 18min).
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 24min).
Average sunshine days in January
Williston, SC
- Average sunshine days in January: 19 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in January
Williston, 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 and December (UV index 3).
Average cloud cover in January
Williston, SC
- Average cloud cover in January: 36
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in January
Williston, 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).
Williston, South Carolina, USA
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