Raleigh
North Carolina, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Raleigh, NC

A view of the George Washington statue overlooking the city buildings of Raleigh, North Carolina
A view of the George Washington statue overlooking the city buildings of Raleigh, North Carolina
January, the same as December, in Raleigh, North Carolina, is another chilly winter month, with average temperature varying between 32.9°F (0.5°C) and 48°F (8.9°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, North Carolina, during January, the rain falls for 10.3 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Raleigh, during the entire year, the rain falls for 163.2 days and collects up to 32.2" (818mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Raleigh. 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 10.1h.

Sunshine

In January, the average sunshine is 5.6h.

UV index

With an average maximum UV index of 2, January is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: In January, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. 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?

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

What is the temperature in January in Raleigh?

The average high-temperature, in January, in Raleigh, North Carolina, 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 many days does it rain in January in Raleigh?

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

How many days does it snow in January in Raleigh?

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

What is the snowiest month in Raleigh?

January is the month with the most snowfall in Raleigh. Snow falls for 1.9 days and accumulates 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?

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

When is the lowest UV index in Raleigh?

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

What is the UV index intensity in January in Raleigh?

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 unsafe exposure to the Sun's UV rays.
Average temperature in January - Raleigh, NC
  • Average high temperature in January: 8.9°C

The warmest month (with the highest average high temperature) is July (31.9°C).
The month with the lowest average high temperature is January (8.9°C).

  • Average low temperature in January: 0.5°C

The month with the highest average low temperature is July (21.7°C).
The coldest month (with the lowest average low temperature) is January (0.5°C).

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: 57mm

The wettest month (with the highest rainfall) is August (87mm).
The driest month (with the lowest rainfall) is October (54mm).

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 lowest number of rainy days is November (9.1 days).

Average snowfall in January - Raleigh, NC
  • Average snowfall in January: 37mm

The month with the highest snowfall is January (37mm).
Months with the lowest snowfall are April, May, June, July, August, September and October (0mm).

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 lowest number of 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 shortest days is December (Average daylight: 9.8h).

  • Average sunshine in January: 5.6h

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

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).