Grove, Oklahoma · field elev 831 ft
Density Altitude at Grove Regional (KGMJ)
Grove Regional sits at 831 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 3,078 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 | 35.8 | −517 ft | 48.9 | 375 ft |
| February | 40.2 | −214 ft | 54.2 | 728 ft |
| March | 48.3 | 335 ft | 62.5 | 1,272 ft |
| April | 57.5 | 946 ft | 71.6 | 1,856 ft |
| May | 65.7 | 1,478 ft | 78.5 | 2,290 ft |
| June | 74.2 | 2,020 ft | 86.2 | 2,767 ft |
| July | 79.0 | 2,321 ft | 91.3 | 3,078 ft |
| August | 78.1 | 2,265 ft | 90.8 | 3,048 ft |
| September | 69.8 | 1,741 ft | 83.2 | 2,582 ft |
| October | 58.1 | 985 ft | 73.1 | 1,951 ft |
| November | 47.9 | 308 ft | 61.9 | 1,233 ft |
| December | 39.0 | −296 ft | 52.0 | 582 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 KGMJ
DENSITY ALTITUDE
Field elevation 831 ft — the air behaves like 3,060 ft.
- PRESSURE ALT
- 832 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 Oklahoma fields
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- 1K8 — South Grand Lake Regional
Ketchum · elev 783 ft
- KMIO — Miami Regional
Miami · elev 806 ft
- H04 — Vinita Municipal
Vinita · elev 695 ft
- OK1 — Stearmans Roost
Vinita · elev 702 ft
- H71 — Mid-America Industrial
Pryor · elev 622 ft
- KGCM — Claremore Regional
Claremore · elev 733 ft
- KTQH — Tahlequah Municipal
Tahlequah · elev 874 ft
Frequently asked questions
How high does density altitude get at KGMJ in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Grove Regional reaches roughly 3,078 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 KGMJ on an average day?
It swings with the seasons: from roughly −517 ft at the coldest month's average temperature to about 2,321 ft at the warmest month's — all from a constant field elevation of 831 ft. The month-by-month table above carries the full year.
What is the field elevation of Grove Regional?
831 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KGMJ (ICAO) / GMJ (FAA), in Grove, Oklahoma.