Cape Hatteras Airport weather in August: Cape Hatteras Airport, North Carolina: normal highs, lows, rain and records for August

Cape Hatteras Airport in August has a normal high of 87°F and a normal low of 74°F, a daily mean of 81°F, falling from 88°F on the 1st to 86°F by the 31st. Measurable precipitation falls on 12 days in a normal August, 6.73 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 31°C and low of 24°C, 171 mm of precipitation in August.

  • NOAA stationCape Hatteras Airport
  • Station IDUSW00093729
  • Location35.23°N 75.62°W
  • Elevation11 ft (3 m)
  1. Jan 55° 41°
  2. Feb 57° 42°
  3. Mar 61° 46°
  4. Apr 69° 54°
  5. May 77° 63°
  6. Jun 84° 71°
  7. Jul 87° 75°
  8. Aug 87° 74°
  9. Sep 83° 71°
  10. Oct 75° 61°
  11. Nov 66° 52°
  12. Dec 59° 45°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Cape Hatteras Airport in August?

The normal high is 87°F and the normal low 74°F, for a daily mean of 80.7°F. August is 0.6°F cooler than July and 3.8°F warmer than September. August is the 2nd warmest month of the year in Cape Hatteras Airport and the 2nd wettest. Across the month the normal high falls 2°F, from 88°F on August 1 to 86°F on August 31. From one year to the next August's mean temperature typically moves about 1.5°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 79°F and 82°F.

Cape Hatteras Airport in August, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 39%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 188°F75°F39%27%
August 887°F75°F39%26%
August 1587°F75°F39%26%
August 2287°F74°F38%26%
August 3186°F73°F37%26%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Cape Hatteras Airport: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 188°F75°F39%27%14 h
August 288°F75°F39%27%13 h 50 min
August 388°F75°F39%27%13 h 50 min
August 488°F75°F39%27%13 h 50 min
August 587°F75°F39%26%13 h 50 min
August 687°F75°F39%26%13 h 50 min
August 787°F75°F39%26%13 h 50 min
August 887°F75°F39%26%13 h 40 min
August 987°F75°F39%26%13 h 40 min
August 1087°F75°F39%26%13 h 40 min
August 1187°F75°F39%26%13 h 40 min
August 1287°F75°F39%26%13 h 40 min
August 1387°F75°F39%26%13 h 40 min
August 1487°F75°F39%26%13 h 30 min
August 1587°F75°F39%26%13 h 30 min
August 1687°F74°F38%26%13 h 30 min
August 1787°F74°F38%26%13 h 30 min
August 1887°F74°F38%26%13 h 30 min
August 1987°F74°F38%26%13 h 20 min
August 2087°F74°F38%26%13 h 20 min
August 2187°F74°F38%26%13 h 20 min
August 2287°F74°F38%26%13 h 20 min
August 2387°F74°F38%26%13 h 20 min
August 2487°F74°F38%26%13 h 10 min
August 2587°F74°F37%26%13 h 10 min
August 2687°F74°F37%26%13 h 10 min
August 2786°F74°F37%26%13 h 10 min
August 2886°F74°F37%26%13 h 10 min
August 2986°F74°F37%26%13 h
August 3086°F74°F37%26%13 h
August 3186°F73°F37%26%13 h
Normal high
87°FAugust average
Normal low
74°FAugust average
Precipitation
6.73 inmonth total
Days with precipitation
120.01 inch or more
Days at 90°F or more
3
Daylight
14 h to 13 hAugust 1 to August 31
Days at 70°F or more
31
Days at 80°F or more
30
Sunshine
80%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00093729; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Cape Hatteras Airport in August?

On a given August day the chance of 0.01 inch or more is 38% on average, highest around August 1 (39%). In all, 6.73 in falls on 12 days of a normal August, 2 of them with an inch or more.

In a normal August in Cape Hatteras Airport, 3 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093729.

How humid and windy is Cape Hatteras Airport in August?

At 3 p.m. the normal temperature is 82°F with 69% relative humidity and a dew point of 71°F; at 6 a.m. it is 76°F with 86% humidity. The wind averages 8.6 mph, most often from the southeast in the afternoon. A dew point of 65°F or more feels muggy to most people.

A normal August day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.76°F71°F86%7.4 mph–
9 a.m.80°F72°F75%8.8 mph–
noon82°F71°F69%9.9 mph–
3 p.m.82°F71°F69%10.0 mph–
6 p.m.79°F71°F77%9.1 mph–
9 p.m.77°F71°F83%8.5 mph–

Source: NOAA NCEI 1991-2020 hourly normals, station USW00093729. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for August in Cape Hatteras Airport?

The warmest August temperature on this station's record (since 1957) is 94°F, on August 23, 1968; the coldest is 56°F, on August 18, 1979. The wettest August brought 16.10 in (1986).

The August mean against the 1991-2020 normal of 80.7°F: 2021 81.7°F (+1.0), 2022 79.6°F (−1.1), 2023 81.0°F (+0.3), 2024 79.2°F (−1.5), 2025 77.5°F (−3.2), 2026 81.9°F (+1.2). 3 of 6 ran warmer than normal.

Cape Hatteras Airport: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202181.7°F+1.0°F11.14 in
202279.6°F−1.1°F2.71 in
202381.0°F+0.3°F10.58 in
202479.2°F−1.5°F6.48 in
202577.5°F−3.2°F5.92 in
202681.9°F+1.2°F5.53 in

Source: records: ACIS, station USW00093729; recent months: ACIS, station USW00093729. Records and recent months use complete months only.

How does August in Cape Hatteras Airport compare across North Carolina?

Across the 131 places PlainClimate covers in North Carolina, August normal highs run from 68°F in Beech Mountain to 90°F in Southport; Cape Hatteras Airport's is 87°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places