Frederick, Oklahoma · field elev 1,258 ft
Density Altitude at Frederick Regional (KFDR)
Frederick Regional sits at 1,258 ft, and even a typical July afternoon (97 °F) only lifts density altitude to about 3,958 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 | 41.7 | 419 ft | 53.8 | 1,229 ft |
| February | 45.5 | 676 ft | 57.9 | 1,499 ft |
| March | 54.3 | 1,262 ft | 67.0 | 2,087 ft |
| April | 62.5 | 1,797 ft | 75.6 | 2,631 ft |
| May | 72.4 | 2,430 ft | 84.4 | 3,177 ft |
| June | 81.1 | 2,973 ft | 93.0 | 3,700 ft |
| July | 85.2 | 3,226 ft | 97.3 | 3,958 ft |
| August | 84.3 | 3,171 ft | 96.8 | 3,928 ft |
| September | 76.1 | 2,662 ft | 88.0 | 3,397 ft |
| October | 64.6 | 1,933 ft | 77.0 | 2,718 ft |
| November | 52.4 | 1,137 ft | 64.2 | 1,907 ft |
| December | 43.0 | 508 ft | 54.2 | 1,256 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 KFDR
DENSITY ALTITUDE
Field elevation 1,258 ft — the air behaves like 3,940 ft.
- PRESSURE ALT
- 1,259 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
- 1O8 — Tipton Municipal
Tipton · elev 1,248 ft
- 1O1 — Grandfield Municipal
Grandfield · elev 1,128 ft
- 92F — Chattanooga Sky Harbor
Chattanooga · elev 1,135 ft
- 4O1 — Snyder
Snyder · elev 1,325 ft
- F09 — Olustee Municipal
Olustee · elev 1,346 ft
- KAXS — Altus/Quartz Mountain Regional
Altus · elev 1,433 ft
- 3O5 — Walters Municipal
Walters · elev 1,058 ft
- KLAW — Lawton-Fort Sill Regional
Lawton · elev 1,110 ft
Frequently asked questions
How high does density altitude get at KFDR in summer?
On a typical July afternoon — around 97 °F at the nearest NOAA normals station — density altitude at Frederick Regional reaches roughly 3,958 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 KFDR on an average day?
It swings with the seasons: from roughly 419 ft at the coldest month's average temperature to about 3,226 ft at the warmest month's — all from a constant field elevation of 1,258 ft. The month-by-month table above carries the full year.
What is the field elevation of Frederick Regional?
1,258 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KFDR (ICAO) / FDR (FAA), in Frederick, Oklahoma.