Greer, South Carolina · field elev 964 ft
Density Altitude at Greenville Spartanburg International (KGSP)
Greenville Spartanburg International sits at 964 ft, and even a typical July afternoon (90 °F) only lifts density altitude to about 3,179 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 | 42.5 | 108 ft | 52.8 | 800 ft |
| February | 45.9 | 339 ft | 57.0 | 1,077 ft |
| March | 52.8 | 800 ft | 64.4 | 1,558 ft |
| April | 61.0 | 1,338 ft | 73.2 | 2,120 ft |
| May | 68.9 | 1,847 ft | 80.3 | 2,565 ft |
| June | 76.3 | 2,315 ft | 87.2 | 2,990 ft |
| July | 79.7 | 2,527 ft | 90.3 | 3,179 ft |
| August | 78.4 | 2,446 ft | 88.5 | 3,070 ft |
| September | 72.5 | 2,076 ft | 82.7 | 2,714 ft |
| October | 61.7 | 1,384 ft | 73.1 | 2,114 ft |
| November | 51.6 | 720 ft | 62.9 | 1,461 ft |
| December | 44.8 | 264 ft | 54.9 | 939 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 KGSP
DENSITY ALTITUDE
Field elevation 964 ft — the air behaves like 3,161 ft.
- PRESSURE ALT
- 965 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
- KGMU — Greenville Downtown
Greenville · elev 1,048 ft
- KGYH — Donaldson Field
Greenville · elev 956 ft
- KSPA — Spartanburg Downtown Meml/Simpson Field
Spartanburg · elev 802 ft
- 33A — Fairview
Landrum · elev 1,046 ft
- KLQK — Pickens County
Pickens · elev 1,013 ft
- KLUX — Laurens County
Laurens · elev 698 ft
- 35A — Union County, Troy Shelton Field
Union · elev 610 ft
- KAND — Anderson Regional
Anderson · elev 782 ft
Frequently asked questions
How high does density altitude get at KGSP in summer?
On a typical July afternoon — around 90 °F at the nearest NOAA normals station — density altitude at Greenville Spartanburg International reaches roughly 3,179 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 KGSP on an average day?
It swings with the seasons: from roughly 108 ft at the coldest month's average temperature to about 2,527 ft at the warmest month's — all from a constant field elevation of 964 ft. The month-by-month table above carries the full year.
What is the field elevation of Greenville Spartanburg International?
964 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KGSP (ICAO) / GSP (FAA), in Greer, South Carolina.