Wilmington Temperatures: Averages by Month





The numbers here tell you how hot and cold the weather usually is in Wilmington, 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 Wilmington, scroll down farther. There are also monthly and yearly counts of days with cold weather.

All the numbers are long-term historical averages based on climate data gathered from 1981 to 2010.

Average Wilmington temperatures
High °F Low °F   High °C Low °C
56 36 January 14 2
60 38 February 16 3
66 44 March 19 7
74 52 April 23 11
81 60 May 27 16
87 69 June 31 20
90 73 July 32 23
88 71 August 31 22
84 66 September 29 19
76 55 October 24 13
68 45 November 20 7
59 38 December 15 3
74 54 Year 23 12

Days of Hot Weather in Wilmington

About half of summer days at Wilmington have temperatures climbing into the 90s Fahrenheit, while the rest have highs in the 80s. The 90-degree heat usually arrives as early as April and lingers into September or October, for a total of 40 days a year.

Despite the steady heat, temperatures of 100 °F (38 °C) or more are rare here. Wilmington typically sees a day that hot about once every three years.

Days per month in Wilmington of at least 70, 80 or 90 °F
  70 °F
21 °C
80 °F
27 °C
90 °F
32 °C
January 3 0 0
February 5 0 0
March 5 2 0
April 21 8 1
May 29 18 2
June 30 27 9
July 31 31 15
August 31 30 10
September 30 23 3
October 24 10 0
November 14 2 0
December 5 0 0
Year 235 151 40

How Often Wilmington Has Cold Temperatures

The thermometer can drop to freezing at Wilmington any night from November until March, and in some years April. The city averages 35 frosty nights a year. Typically three of those cool down to 20 °F or less.

After a cold night, Wilmington normally thaws out during the day. Just once every couple of years the thermometer here lingers below freezing for an entire December or January day.

Days per month on average in Wilmington 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 2 12 21
February 0 8 18
March 0 3 12
April 0 0 3
May 0 0 0
June 0 0 0
July 0 0 0
August 0 0 0
September 0 0 0
October 0 0 2
November 0 2 10
December 1 10 19
Year 3 35 83
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

North Carolina Temperatures
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