Grand Prairie, Texas · field elev 590 ft
Density Altitude at Grand Prairie Municipal (KGPM)
Grand Prairie Municipal sits at 590 ft, and even a typical August afternoon (96 °F) only lifts density altitude to about 3,075 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 | 47.3 | −31 ft | 57.9 | 674 ft |
| February | 51.1 | 224 ft | 61.9 | 936 ft |
| March | 58.8 | 733 ft | 69.6 | 1,432 ft |
| April | 65.9 | 1,195 ft | 76.9 | 1,895 ft |
| May | 74.0 | 1,712 ft | 84.0 | 2,338 ft |
| June | 81.9 | 2,207 ft | 91.6 | 2,803 ft |
| July | 85.4 | 2,424 ft | 95.9 | 3,063 ft |
| August | 85.5 | 2,430 ft | 96.1 | 3,075 ft |
| September | 78.5 | 1,995 ft | 89.3 | 2,663 ft |
| October | 67.8 | 1,317 ft | 79.1 | 2,033 ft |
| November | 56.8 | 602 ft | 67.3 | 1,285 ft |
| December | 48.8 | 70 ft | 59.1 | 753 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 KGPM
DENSITY ALTITUDE
Field elevation 590 ft — the air behaves like 3,069 ft.
- PRESSURE ALT
- 591 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 Texas fields
- KGKY — Arlington Municipal
Arlington · elev 628 ft
- KRBD — Dallas Exec
Dallas · elev 661 ft
- KDFW — Dallas-Fort Worth International
Dallas-Fort Worth · elev 606 ft
- T56 — Eagle'S Nest Estates
Midlothian · elev 780 ft
- KDAL — Dallas Love Field
Dallas · elev 487 ft
- KFWS — Fort Worth Spinks
Fort Worth · elev 700 ft
- KJWY — Mid-Way Regional
Midlothian/Waxahachie · elev 727 ft
- 9F9 — Sycamore Strip
Fort Worth · elev 762 ft
Frequently asked questions
How high does density altitude get at KGPM in summer?
On a typical August afternoon — around 96 °F at the nearest NOAA normals station — density altitude at Grand Prairie Municipal reaches roughly 3,075 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 KGPM on an average day?
It swings with the seasons: from roughly −31 ft at the coldest month's average temperature to about 2,430 ft at the warmest month's — all from a constant field elevation of 590 ft. The month-by-month table above carries the full year.
What is the field elevation of Grand Prairie Municipal?
590 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KGPM (ICAO) / GPM (FAA), in Grand Prairie, Texas.