January weather forecastChapel Hill, NC
January
Weather in January
January in Chapel Hill, North Carolina greets residents with cold days and frosty nights. Average high temperatures hover near 47.7°F (8.7°C) making it one of the coldest months of the year. The cool conditions are made crisper by 6.5mph (10.5km/h) winds brushing the city. With 73% relative humidity, the cold often feels sharper. The city begins to shake off its wintertime slumber as the daylight hours progressively lengthen toward the end of the month.Temperature
With average high temperatures of 47.7°F (8.7°C) and lows of 32°F (0°C), January is the coldest month in Chapel Hill.Humidity
In January, the average relative humidity in Chapel Hill is 73%.Rainfall
In Chapel Hill, in January, it is raining for 8.1 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, there are 130 rainfall days, and 14.21" (361mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. The month with the most snowfall in Chapel Hill, North Carolina, is January, when snow falls for 1.3 days and typically aggregates up to 0.47" (12mm) of snow.Daylight
The average length of the day in January in Chapel Hill is 10h and 3min.On the first day of January, sunrise is at 7:26 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:41 pm EST.
Sunshine
In January, the average sunshine in Chapel Hill is 5.5h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Chapel Hill. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Chapel Hill, NC
- Average high temperature in January: 47.7°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 (47.7°F).
- Average low temperature in January: 32°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 (32°F).
Average pressure in January
Chapel Hill, NC
- 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 (29.96"Hg).
Average wind speed in January
Chapel Hill, NC
- Average wind speed in January: 6.5mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in January
Chapel Hill, NC
- Average humidity in January: 73%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall in January
Chapel Hill, NC
- Average rainfall in January: 0.91"
The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is October (0.83").
Average rainfall days in January
Chapel Hill, NC
- Average rainfall days in January: 8.1 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is November (6.4 days).
Average snowfall in January
Chapel Hill, NC
- Average snowfall in January: 0.47"
The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Chapel Hill, NC
- Average snowfall days in January: 1.3 days
The month with the highest number of snowfall days is February (1.5 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
Chapel Hill, NC
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January: 5h and 30min
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 24min).
Average sunshine days in January
Chapel Hill, NC
- Average sunshine days in January: 21.1 days
The month with the most sunshine days is October (22.3 days).
The months with the least sunshine days are July and August (12.8 days).
Average UV index in January
Chapel Hill, NC
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in January
Chapel Hill, NC
- Average cloud cover in January: 40
The months with the most cloud cover are February and March (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in January
Chapel Hill, NC
- 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).
