Cape Hatteras, Outer Banks Temperatures: Averages by Month
The numbers here tell you how hot and cold the weather usually is at Cape Hatteras on the Outer Banks of North Carolina during each month of the year.
The average high and low temperatures are listed below, monthly and annually, for the Outer Banks landmark 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 at Hatteras Island, 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 recorded at the Billy Mitchell Airport near the villages of Frisco and Buxton.
| High °F | Low °F | High °C | Low °C | |
|---|---|---|---|---|
| 54 | 39 | January | 12 | 4 |
| 57 | 42 | February | 14 | 5 |
| 60 | 46 | March | 16 | 8 |
| 69 | 55 | April | 21 | 13 |
| 77 | 65 | May | 25 | 18 |
| 84 | 72 | June | 29 | 22 |
| 86 | 75 | July | 30 | 24 |
| 86 | 75 | August | 30 | 24 |
| 83 | 71 | September | 28 | 22 |
| 75 | 62 | October | 24 | 17 |
| 64 | 50 | November | 18 | 10 |
| 59 | 46 | December | 15 | 8 |
| 71 | 58 | Year | 21 | 14 |
| High °F | Low °F | High °C | Low °C | |
|---|---|---|---|---|
| 55 | 41 | January | 13 | 5 |
| 57 | 42 | February | 14 | 5 |
| 61 | 46 | March | 16 | 8 |
| 69 | 54 | April | 21 | 12 |
| 77 | 63 | May | 25 | 17 |
| 84 | 71 | June | 29 | 22 |
| 87 | 75 | July | 31 | 24 |
| 87 | 74 | August | 31 | 24 |
| 83 | 71 | September | 28 | 22 |
| 75 | 61 | October | 24 | 16 |
| 66 | 52 | November | 19 | 11 |
| 59 | 45 | December | 15 | 7 |
| 72 | 58 | Year | 22 | 14 |
Days of Hot Weather in Cape Hatteras
The hottest days at Cape Hatteras usually peak in the 80s F, thanks to the moderating influence of the Atlantic Ocean. Hatteras Island averages eight days a year when the thermometer climbs to 90 degrees or more.
The hottest days most commonly occur in July. But 90-degree weather can show up anytime from May to September.
| 70 °F 21 °C |
80 °F 27 °C |
90 °F 32 °C |
|
|---|---|---|---|
| January | 1 | 0 | 0 |
| February | 1 | 0 | 0 |
| March | 4 | 0 | 0 |
| April | 14 | 1 | 0 |
| May | 26 | 9 | 0 |
| June | 30 | 24 | 1 |
| July | 31 | 30 | 4 |
| August | 31 | 30 | 3 |
| September | 30 | 20 | 0 |
| October | 23 | 6 | 0 |
| November | 9 | 0 | 0 |
| December | 4 | 0 | 0 |
| Year | 204 | 119 | 8 |
How Often Cape Hatteras Has Cold Temperatures
Nighttime temperatures on the Outer Banks at Hatteras Island typically drop to below freezing for 17 nights a year. Yet the thermometer rarely goes as low as 20 °F (-8 °C). The island gets weather that cold just once a year on average. A night of 20 or below is most likely in January, but can happen in February.
No matter how cold it is at night, nearly every day on the Outer Banks warms to above freezing. The Frisco and Buxton area averages just one frost-filled day per year.
| 32 °F 0 °C |
40 °F 4 °C |
50 °F 10 °C | |
|---|---|---|---|
| January | 7 | 16 | 27 |
| February | 5 | 14 | 24 |
| March | 2 | 9 | 23 |
| April | 0 | 1 | 11 |
| May | 0 | 0 | 2 |
| June | 0 | 0 | 0 |
| July | 0 | 0 | 0 |
| August | 0 | 0 | 0 |
| September | 0 | 0 | 0 |
| October | 0 | 0 | 4 |
| November | 0 | 3 | 15 |
| December | 3 | 11 | 23 |
| Year | 17 | 54 | 129 |
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.