Mount Olive, North Carolina · field elev 167 ft
Density Altitude at Mount Olive Municipal (W40)
Mount Olive Municipal sits at 167 ft, and even a typical July afternoon (89 °F) only lifts density altitude to about 2,154 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 | 42.2 | −903 ft | 53.1 | −166 ft |
| February | 44.4 | −753 ft | 56.1 | 33 ft |
| March | 51.3 | −287 ft | 63.5 | 519 ft |
| April | 60.3 | 310 ft | 72.7 | 1,111 ft |
| May | 68.8 | 861 ft | 79.8 | 1,559 ft |
| June | 76.2 | 1,333 ft | 86.5 | 1,976 ft |
| July | 79.7 | 1,553 ft | 89.4 | 2,154 ft |
| August | 77.7 | 1,427 ft | 87.4 | 2,031 ft |
| September | 73.1 | 1,136 ft | 83.1 | 1,765 ft |
| October | 62.5 | 454 ft | 74.1 | 1,200 ft |
| November | 51.8 | −253 ft | 64.3 | 571 ft |
| December | 45.0 | −712 ft | 56.2 | 40 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 W40
DENSITY ALTITUDE
Field elevation 167 ft — the air behaves like 2,130 ft.
- PRESSURE ALT
- 168 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
- KDPL — Duplin County
Kenansville · elev 137 ft
- KGWW — Wayne Exec Jetport
Goldsboro · elev 134 ft
- KCTZ — Clinton-Sampson County
Clinton · elev 144 ft
- KISO — Kinston Regional Jetport At Stallings Field
Kinston · elev 93 ft
- KJNX — Johnston Regional
Smithfield · elev 164 ft
- KACZ — Wallace-Pender
Wallace · elev 38 ft
- N08 — Flanagan Field
Farmville · elev 75 ft
- KOAJ — Albert J Ellis
Jacksonville · elev 93 ft
Frequently asked questions
How high does density altitude get at W40 in summer?
On a typical July afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Mount Olive Municipal reaches roughly 2,154 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 W40 on an average day?
It swings with the seasons: from roughly −903 ft at the coldest month's average temperature to about 1,553 ft at the warmest month's — all from a constant field elevation of 167 ft. The month-by-month table above carries the full year.
What is the field elevation of Mount Olive Municipal?
167 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is W40 (FAA), in Mount Olive, North Carolina.