Raleigh Temperatures: Averages by Month





The numbers here tell you how hot and cold the weather usually is in Raleigh, North Carolina during each month of the year.

The average high and low temperatures are listed below monthly and annually for the city, in both degrees Fahrenheit and Celsius.

Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.

To find out how often it rises over 70, 80 or 90 °F each month in Raleigh, scroll down farther. There are also monthly and yearly counts of days with cold weather.

The first set of high and low temperatures are averages for 2010 to 2019. Everything else here is based on 1991 to 2020 weather.

10-year temperature averages for Raleigh, 2010 to 2019
High °F Low °F   High °C Low °C
51 31 January 10 0
55 34 February 13 1
62 40 March 17 4
73 50 April 23 10
82 60 May 28 16
89 67 June 32 20
92 71 July 33 22
89 70 August 32 21
84 65 September 29 18
73 52 October 23 11
61 40 November 16 4
56 37 December 13 3
72 51 Year 22 11
30-year temperature averages for Raleigh, 1991 to 2020
High °F Low °F   High °C Low °C
52 32 January 11 0
56 34 February 13 1
63 40 March 17 5
73 49 April 23 9
80 58 May 27 14
87 66 June 31 19
91 70 July 33 21
89 69 August 32 21
83 63 September 28 17
73 50 October 23 10
63 40 November 17 4
55 34 December 13 1
72 51 Year 22 10

Days of Hot Weather in Raleigh

During summer months, Raleigh often has a daytime high of at least 90 degrees F. Even as early as April or as late as October, the thermometer can climb to 90 F here.

The city averages two days a year with the temperature into the 100s F. July and August are most likely to have a day that hot, but June can also reach 100 degrees (38 °C).

Days per month in Raleigh of at least 70, 80 or 90 °F
  70 °F
21 °C
80 °F
27 °C
90 °F
32 °C
January 2 0 0
February 4 0 0
March 9 2 0
April 19 8 0
May 27 18 3
June 30 26 12
July 31 30 19
August 31 29 14
September 29 20 5
October 21 7 0
November 8 1 0
December 3 0 0
Year 213 140 52

How Often Raleigh Has Cold Temperatures

The chilliest nights at Raleigh drop down to 10 °F (-12 °C) or below. The city averages just one night a year that cold. Another seven nights a winter have lows in the range of 11 to 20 degrees F.

Raleigh typically has two or three days annually when the thermometer never rises above freezing. Frosty days are most common in January but can also happen in December or February.

Days per month on average in Raleigh when the minimum temperature drops to 20, 32, or 40 °F or below
  20 °F
-8 °C
32 °F
0 °C
40 °F
4 °C
January 4 18 25
February 2 14 22
March 0 8 17
April 0 1 6
May 0 0 0
June 0 0 0
July 0 0 0
August 0 0 0
September 0 0 0
October 0 1 5
November 0 8 18
December 1 15 24
Year 8 65 118
References

Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Month and Year, Version 1.0. NOAA National Centers for Environmental Information.

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

North Carolina Temperatures
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