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 brings the lowest temperatures, with an average high of 56.1°F (13.4°C) and an average low of 39.9°F (4.4°C).Humidity
January, March and November, with an average relative humidity of 72%, are the least humid months.Rainfall
In Williams, in January, during 8.3 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. Throughout the year, there are 149.7 rainfall days, and 21.5" (546mm) of precipitation is accumulated.Snowfall
January and February are months with snowfall. The months with the most snowfall in Williams are January and February, with an average 0.12" (3mm) of accumulated snow.Daylight
In January, the average length of the day in Williams is 10h and 16min.On the first day of January, sunrise is at 7:26 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:54 pm EST.
Sunshine
In January, the average sunshine is 5.8h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 3 in January translates into this advice:
Guard yourself - Precautionary measures against sun damage are advocated. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What is the coldest month in Williams?
What is the usual temperature for Williams in January?
What are the least humid months in Williams?
What is the average humidity in January in Williams?
How much does it rain in Williams in January?
What is the snowiest month in Williams?
When does it start to snow in Williams?
How many hours of daylight does Williams have in January?
When is the sunrise / sunset in January in Williams?
How long on average sun shines in January in Williams?
When is the lowest UV index in Williams?
What is the UV index reading in January in Williams?
Average temperature in January
Williams, SC
- Average high temperature in January: 56.1°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (56.1°F).
- Average low temperature in January: 39.9°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 (39.9°F).
Average pressure in January
Williams, SC
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in January
Williams, SC
- Average wind speed in January: 6.1mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Williams, SC
- Average humidity in January: 72%
The months with the highest relative humidity are August and December (77%).
The months with the lowest relative humidity are January, March and November (72%).
Average rainfall in January
Williams, SC
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is November (0.75").
Average rainfall days in January
Williams, SC
- Average rainfall days in January: 8.3 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is November (6.2 days).
Average snowfall in January
Williams, SC
- Average snowfall in January: 0.12"
The months with the highest snowfall are January and February (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Williams, SC
- Average snowfall days in January: 0.4 days
The month with the highest number of snowfall days is January (0.4 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
Williams, SC
- Average daylight in January: 10h and 2min
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 5min
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 30min).
Average sunshine days in January
Williams, SC
- Average sunshine days in January: 21 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is July (6.9 days).
Average UV index in January
Williams, SC
- Average UV index in January: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in January
Williams, SC
- Average cloud cover in January: 37
The month with the most cloud cover is December (Cloud cover 42).
The months with the least cloud cover are July and October (Cloud cover 29).
Average visibility in January
Williams, 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).
Williams, South Carolina, USA
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