Okemah, Oklahoma · field elev 876 ft
Density Altitude at Okemah Municipal (F81)
Okemah Municipal sits at 876 ft, and even a typical July afternoon (93 °F) only lifts density altitude to about 3,236 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 | 40.0 | −172 ft | 49.7 | 485 ft |
| February | 44.6 | 142 ft | 54.8 | 823 ft |
| March | 53.5 | 737 ft | 64.6 | 1,463 ft |
| April | 61.7 | 1,275 ft | 72.9 | 1,993 ft |
| May | 70.0 | 1,809 ft | 79.8 | 2,426 ft |
| June | 77.8 | 2,301 ft | 88.1 | 2,938 ft |
| July | 82.1 | 2,569 ft | 93.0 | 3,236 ft |
| August | 81.3 | 2,519 ft | 92.5 | 3,206 ft |
| September | 74.0 | 2,063 ft | 84.8 | 2,736 ft |
| October | 63.1 | 1,366 ft | 74.1 | 2,069 ft |
| November | 51.4 | 598 ft | 61.4 | 1,256 ft |
| December | 42.3 | −15 ft | 51.5 | 605 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 F81
DENSITY ALTITUDE
Field elevation 876 ft — the air behaves like 3,236 ft.
- PRESSURE ALT
- 877 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
- F10 — Henryetta Municipal
Henryetta · elev 849 ft
- KSRE — Seminole Municipal
Seminole · elev 1,023 ft
- F99 — Holdenville Municipal
Holdenville · elev 861 ft
- O47 — Prague Municipal
Prague · elev 1,041 ft
- KOKM — Okmulgee Regional/Paul And Betty Abbott Field
Okmulgee · elev 720 ft
- 3F7 — Jones Meml
Bristow · elev 870 ft
- KSUD — Stroud Municipal
Stroud · elev 901 ft
- KSNL — Shawnee Regional
Shawnee · elev 1,073 ft
Frequently asked questions
How high does density altitude get at F81 in summer?
On a typical July afternoon — around 93 °F at the nearest NOAA normals station — density altitude at Okemah Municipal reaches roughly 3,236 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 F81 on an average day?
It swings with the seasons: from roughly −172 ft at the coldest month's average temperature to about 2,569 ft at the warmest month's — all from a constant field elevation of 876 ft. The month-by-month table above carries the full year.
What is the field elevation of Okemah Municipal?
876 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is F81 (FAA), in Okemah, Oklahoma.