Greenville, South Carolina · field elev 1,048 ft
Density Altitude at Greenville Downtown (KGMU)
Greenville Downtown sits at 1,048 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 3,318 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 | 44.1 | 321 ft | 53.5 | 950 ft |
| February | 47.7 | 564 ft | 57.8 | 1,233 ft |
| March | 54.7 | 1,029 ft | 65.4 | 1,726 ft |
| April | 63.3 | 1,591 ft | 74.5 | 2,305 ft |
| May | 71.3 | 2,103 ft | 81.3 | 2,729 ft |
| June | 78.1 | 2,530 ft | 87.9 | 3,135 ft |
| July | 81.3 | 2,729 ft | 90.9 | 3,318 ft |
| August | 80.1 | 2,655 ft | 89.2 | 3,215 ft |
| September | 74.4 | 2,298 ft | 83.5 | 2,865 ft |
| October | 63.7 | 1,616 ft | 73.9 | 2,267 ft |
| November | 53.7 | 963 ft | 63.8 | 1,623 ft |
| December | 46.6 | 490 ft | 55.9 | 1,108 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 KGMU
DENSITY ALTITUDE
Field elevation 1,048 ft — the air behaves like 3,324 ft.
- PRESSURE ALT
- 1,049 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 South Carolina fields
- KGYH — Donaldson Field
Greenville · elev 956 ft
- KGSP — Greenville Spartanburg International
Greer · elev 964 ft
- KLQK — Pickens County
Pickens · elev 1,013 ft
- KSPA — Spartanburg Downtown Meml/Simpson Field
Spartanburg · elev 802 ft
- 33A — Fairview
Landrum · elev 1,046 ft
- KAND — Anderson Regional
Anderson · elev 782 ft
- KCEU — Oconee County Regional
Clemson · elev 891 ft
- KLUX — Laurens County
Laurens · elev 698 ft
Frequently asked questions
How high does density altitude get at KGMU in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Greenville Downtown reaches roughly 3,318 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 KGMU on an average day?
It swings with the seasons: from roughly 321 ft at the coldest month's average temperature to about 2,729 ft at the warmest month's — all from a constant field elevation of 1,048 ft. The month-by-month table above carries the full year.
What is the field elevation of Greenville Downtown?
1,048 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KGMU (ICAO) / GMU (FAA), in Greenville, South Carolina.