January weather forecastRaleigh, NC
January
Weather in January
The first month of the year in Raleigh, North Carolina, often ushers in chillier temperatures coupled with relatively high humidity. Despite the shorter daylight hours often associated with winter, clear skies are abundant in January. A contrast can be observed from the 1.46" (37mm) of snowfall recorded in this month against the rest of the year, making it a unique period for snow enthusiasts. Winds are moderately paced, providing an added chill factor to the already crisp conditions. It is important to dress warmly this month, adhering to weather-appropriate attire for outdoor activities.Temperature
In Raleigh, the lowest temperatures are generally noted in January, averaging a high of 48°F (8.9°C) and a low of 32.9°F (0.5°C).Humidity
The months with the lowest humidity are January, March, April, June, July and November, with an average relative humidity of 73%.Rainfall
In Raleigh, in January, during 10.3 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In Raleigh, during the entire year, the rain falls for 163.2 days and collects up to 32.2" (818mm) of precipitation.Snowfall
Months with snowfall in Raleigh, North Carolina, are January through March, November and December. The month with the most snowfall is January, when snow falls for 1.9 days and typically aggregates up to 1.46" (37mm) of snow.Daylight
In Raleigh, the average length of the day in January is 10h and 4min.On the first day of January, sunrise is at 7:24 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:40 pm EST.
Sunshine
In Raleigh, the average sunshine in January is 5.6h.UV index
January is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 2 in January transforms into the following instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Raleigh, NC
- Average high temperature in January: 48°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (48°F).
- Average low temperature in January: 32.9°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).
Average pressure in January
Raleigh, NC
- Average pressure in January: 30.13"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
Raleigh, NC
- Average wind speed in January: 7.3mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in January
Raleigh, NC
- Average humidity in January: 73%
The months with the highest relative humidity are May, September and December (76%).
The months with the lowest relative humidity are January, March, April, June, July and November (73%).
Average rainfall in January
Raleigh, NC
- Average rainfall in January: 2.24"
The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is October (2.13").
Average rainfall days in January
Raleigh, NC
- Average rainfall days in January: 10.3 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in January
Raleigh, NC
- Average snowfall in January: 1.46"
The month with the highest snowfall is January (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Raleigh, NC
- Average snowfall days in January: 1.9 days
The month with the highest number of snowfall days is February (2.1 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
Raleigh, NC
- Average daylight in January: 10h and 6min
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 48min).
- Average sunshine in January: 5h and 36min
The months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in January
Raleigh, NC
- Average sunshine days in January: 18.3 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in January
Raleigh, NC
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in January
Raleigh, NC
- Average cloud cover in January: 39
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in January
Raleigh, 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).
