January weather forecast and climate
Raleigh, NC

The George Washington statue overlooking the city buildings of Raleigh, North Carolina
The George Washington statue overlooking the city buildings of Raleigh, North Carolina
January, like December, is another chilly winter month in Raleigh, North Carolina, with temperature in the range of an average high of 48°F (8.9°C) and an average low of 32.9°F (0.5°C).

Temperature

January is the coldest month, with an average high-temperature of 48°F (8.9°C) and an average low-temperature of 32.9°F (0.5°C).

Humidity

January, March, April, June, July and November, with an average relative humidity of 73%, are the least humid months in Raleigh.

Rainfall

In Raleigh, during January, the rain falls for 10.3 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, there are 163.2 rainfall days, and 32.2" (818mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. The month with the most snowfall in Raleigh 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 is 10.1h.

Sunshine

In January, the average sunshine in Raleigh is 5.6h.

UV index

January is the month with the lowest UV index in Raleigh, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 2 in January transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the coldest month in Raleigh?

The coldest month in Raleigh, North Carolina, is January, with an average high-temperature of 48°F (8.9°C) and an average low-temperature of 32.9°F (0.5°C).

What is the temperature in January in Raleigh?

The average high-temperature, in January, is 48°F (8.9°C), while the average low-temperature is 32.9°F (0.5°C).

What are the least humid months in Raleigh?

January, March, April, June, July and November, with an average relative humidity of 73%, are the least humid months in Raleigh.

What is the average humidity in January in Raleigh?

In January, the average relative humidity is 73%.

How much does it rain in Raleigh in January?

In Raleigh, in January, during 10.3 rainfall days, 2.24" (57mm) of precipitation is typically accumulated.

How much does it snow in Raleigh in January?

In January, in Raleigh, it is snowing for 1.9 days. Throughout January, 1.46" (37mm) of snow is accumulated.

What is the snowiest month in Raleigh?

The month with the most snowfall in Raleigh, North Carolina, is January when snow falls for 1.9 days and typically aggregates up to 1.46" (37mm) of snow.

What is the average length of the day in January in Raleigh?

In Raleigh, North Carolina, the average length of the day in January is 10.1h.

How long on average sun shines in January in Raleigh?

The average sunshine in January is 5.6h.

What is the month with the lowest UV index in Raleigh?

With an average maximum UV index of 2, January is the month with the lowest UV index in Raleigh, North Carolina.

How high is the UV index in January in Raleigh?

The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from the exposure to the Sun's UV radiation.
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"

The month with the highest atmospheric pressure is November (30.15").
The month with the lowest atmospheric pressure is June (29.96").

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%

Months with the highest relative humidity are May, September and December (76%).
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").
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).
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: 10.1h

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in January: 5.6h

Months with the most sunshine are June and July (Average sunshine: 10.8h).
The month with the least sunshine is December (Average sunshine: 5.5h).

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

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

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).