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
Duncan records the coldest temperatures in January, averaging a high of 48.9°F (9.4°C) and a low of 32.9°F (0.5°C).Humidity
The average relative humidity in January is 72%.Rainfall
In Duncan, South Carolina, in January, it is raining for 9.2 days, with typically 2.56" (65mm) of accumulated precipitation. In Duncan, during the entire year, the rain falls for 141 days and collects up to 28.5" (724mm) of precipitation.Snowfall
Months with snowfall in Duncan are January through March, November and December. In Duncan, in January, during 1.2 snowfall days, 1.14" (29mm) of snow is typically accumulated. Throughout the year, there are 3.9 snowfall days, and 4.69" (119mm) of snow is accumulated.Daylight
The average length of the day in January in Duncan is 10h and 7min.On the first day of January in Duncan, sunrise is at 7:36 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:55 pm EST.
Sunshine
The average sunshine in January is 5.6h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during January leads to these instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Experience reduced UV exposure by about half when donning a wide-brim hat. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Duncan?
What are January temperatures in Duncan?
What is the average humidity in January in Duncan?
How many days does it rain in January in Duncan?
How many days does it snow in January in Duncan?
What is the average length of the day in January in Duncan?
When is the sunrise / sunset in January in Duncan?
How many hours of sunshine does Duncan have in January?
What is the month with the lowest UV index in Duncan?
What is the UV index intensity in January in Duncan?
Average temperature in January
Duncan, SC
- Average high temperature in January: 48.9°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (48.9°F).
- Average low temperature in January: 32.9°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).
Average pressure in January
Duncan, 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 (29.99"Hg).
Average wind speed in January
Duncan, SC
- Average wind speed in January: 6.4mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in January
Duncan, SC
- Average humidity in January: 72%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (67%).
Average rainfall in January
Duncan, SC
- Average rainfall in January: 2.56"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in January
Duncan, SC
- Average rainfall days in January: 9.2 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in January
Duncan, SC
- Average snowfall in January: 1.14"
The month with the highest snowfall is December (2.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Duncan, SC
- Average snowfall days in January: 1.2 days
The month with the highest number of snowfall days is February (1.6 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
Duncan, SC
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- 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 18min).
Average sunshine days in January
Duncan, SC
- Average sunshine days in January: 19.7 days
The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is August (13.3 days).
Average UV index in January
Duncan, SC
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in January
Duncan, SC
- Average cloud cover in January: 38
The month with the most cloud cover is December (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 28).
Average visibility in January
Duncan, 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).
Duncan, South Carolina, USA
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