Rocky Mount, North Carolina · field elev 158 ft
Density Altitude at Rocky Mount/Wilson Regional (KRWI)
Rocky Mount/Wilson Regional sits at 158 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 2,211 ft — heat still trims performance, but the field rarely turns high-and-hot.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 41.3 | −976 ft | 51.8 | −264 ft |
| February | 43.9 | −798 ft | 55.3 | −31 ft |
| March | 51.0 | −318 ft | 63.2 | 488 ft |
| April | 60.0 | 279 ft | 72.5 | 1,087 ft |
| May | 68.1 | 805 ft | 79.9 | 1,555 ft |
| June | 75.8 | 1,297 ft | 86.9 | 1,990 ft |
| July | 79.7 | 1,542 ft | 90.5 | 2,211 ft |
| August | 78.0 | 1,435 ft | 88.3 | 2,076 ft |
| September | 72.2 | 1,068 ft | 82.5 | 1,717 ft |
| October | 61.5 | 377 ft | 73.1 | 1,125 ft |
| November | 50.9 | −325 ft | 62.8 | 462 ft |
| December | 44.1 | −784 ft | 54.7 | −71 ft |
▲ above 5,000 ft · ⚠ above 8,000 ft. These are planning references at standard pressure and dry air — afternoon humidity and low pressure both push the real number higher. Run today's values below.
Run today’s numbers for KRWI
DENSITY ALTITUDE
Field elevation 158 ft — the air behaves like 2,241 ft.
- PRESSURE ALT
- 159 ft
- ISA DEVIATION
- —
- RULE-OF-THUMB DA
- —
- AIR DENSITY INDEX
- —
- AIR DENSITY
- —
- WATER · GRAINS/LB
- —
For training and reference · verify with official sources and your POH before flight · no tool on this site renders a go / no-go judgment
Nearby North Carolina fields
- W03 — Wilson Industrial Air Center
Wilson · elev 160 ft
- KETC — Tarboro-Edgecombe
Tarboro · elev 53 ft
- KLHZ — Triangle North Exec
Louisburg · elev 368 ft
- KGWW — Wayne Exec Jetport
Goldsboro · elev 134 ft
- N08 — Flanagan Field
Farmville · elev 75 ft
- KPGV — Pitt-Greenville
Greenville · elev 26 ft
- KJNX — Johnston Regional
Smithfield · elev 164 ft
- KIXA — Halifax/Northampton Regional
Roanoke Rapids · elev 144 ft
Frequently asked questions
How high does density altitude get at KRWI in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Rocky Mount/Wilson Regional reaches roughly 2,211 ft at standard pressure. Hotter-than-normal days, low pressure, and humidity all push it higher, so run the day's actual numbers before flying.
What is the density altitude at KRWI on an average day?
It swings with the seasons: from roughly −976 ft at the coldest month's average temperature to about 1,542 ft at the warmest month's — all from a constant field elevation of 158 ft. The month-by-month table above carries the full year.
What is the field elevation of Rocky Mount/Wilson Regional?
158 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KRWI (ICAO) / RWI (FAA), in Rocky Mount, North Carolina.