Wilmington NC Average Temperatures 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.

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 Wilmington, 2010 to 2019
High °F	Low °F		High °C	Low °C
56	35	January	13	2
61	39	February	16	4
66	43	March	19	6
75	53	April	24	12
82	63	May	28	17
88	70	June	31	21
90	73	July	32	23
89	72	August	31	22
85	68	September	29	20
77	57	October	25	14
67	44	November	19	7
61	41	December	16	5
75	55	Year	24	13

30-year temperature averages for Wilmington, 1991 to 2020
High °F	Low °F		High °C	Low °C
57	36	January	14	2
60	38	February	16	4
67	44	March	19	7
75	53	April	24	11
81	61	May	27	16
87	69	June	31	21
90	73	July	32	23
88	72	August	31	22
84	67	September	29	19
76	56	October	25	13
67	45	November	20	7
60	39	December	16	4
74	54	Year	24	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 45 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 on an average of once a year.

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	5	0	0
February	6	0	0
March	13	3	0
April	22	9	0
May	30	19	3
June	30	28	10
July	31	31	17
August	31	30	12
September	30	24	4
October	25	11	0
November	13	2	0
December	6	0	0
Year	241	157	45

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 or October. The city averages 37 frosty nights a year. Typically two of those cool down to 20 °F or below.

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 day in January or February.

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	13	21
February	0	8	18
March	0	4	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	1
November	0	3	11
December	0	9	19
Year	2	37	85

Wilmington Temperatures: Averages by Month

Days of Hot Weather in Wilmington

How Often Wilmington Has Cold Temperatures

References

More on Weather in North Carolina