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
In Holly Hill, January records the lowest average temperatures, peaking at 54.9°F (12.7°C) and reaching a low of 38.5°F (3.6°C).Humidity
January and November, with an average relative humidity of 72%, are the least humid months.Rainfall
In Holly Hill, in January, it is raining for 10.2 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, there are 165.1 rainfall days, and 33.46" (850mm) of precipitation is accumulated.Snowfall
Months with snowfall are January and February. January is the first month it typically snows. Throughout January, in the average 0.3 snowfall days, it receives 0.12" (3mm) of snow. In Holly Hill, during the entire year, snow falls for 0.7 days and aggregates up to 0.35" (9mm) of snow.Daylight
In January, the average length of the day is 10h and 14min.On the first day of January, sunrise is at 7:25 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:51 pm EST.
Sunshine
In January, the average sunshine is 5.7h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In January, the maximum UV index of 3 suggests this advice:
Exercise prevention - Warding off sunburn is urged. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. 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
What time of the year is the coldest?
What are the temperatures in January?
What are the least humid months?
What is the average humidity in January?
How much does it rain in January?
When does it start to snow?
How many hours of daylight does Holly Hill have in January?
What time are sunrise and sunset in January?
How long on average sun shines in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Holly Hill, SC
- Average high temperature in January: 54.9°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 (54.9°F).
- Average low temperature in January: 38.5°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).
Average pressure in January
Holly Hill, 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
Holly Hill, SC
- Average wind speed in January: 7.3mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in January
Holly Hill, SC
- Average humidity in January: 72%
The months with the highest relative humidity are May, August, September and December (77%).
The months with the lowest relative humidity are January and November (72%).
Average rainfall in January
Holly Hill, SC
- Average rainfall in January: 1.81"
The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is November (1.69").
Average rainfall days in January
Holly Hill, SC
- Average rainfall days in January: 10.2 days
The month with the highest number of rainy days is August (21 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in January
Holly Hill, SC
- Average snowfall in January: 0.12"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Holly Hill, SC
- Average snowfall days in January: 0.3 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Holly Hill, 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 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in January
Holly Hill, SC
- Average sunshine days in January: 19.2 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is August (7.9 days).
Average UV index in January
Holly Hill, 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, February and December (UV index 3).
Average cloud cover in January
Holly Hill, SC
- Average cloud cover in January: 37
The months with the most cloud cover are February and December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in January
Holly Hill, 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).
Holly Hill, South Carolina, USA
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