Memphis, Texas · field elev 2,102 ft
Density Altitude at Memphis Municipal (F21)
Memphis Municipal sits at 2,102 ft, and even a typical July afternoon (96 °F) only lifts density altitude to about 4,915 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 | 39.3 | 1,305 ft | 53.3 | 2,239 ft |
| February | 42.8 | 1,541 ft | 57.0 | 2,480 ft |
| March | 51.6 | 2,127 ft | 66.5 | 3,091 ft |
| April | 60.4 | 2,700 ft | 75.2 | 3,638 ft |
| May | 69.6 | 3,287 ft | 83.2 | 4,131 ft |
| June | 78.7 | 3,855 ft | 91.9 | 4,658 ft |
| July | 82.9 | 4,113 ft | 96.2 | 4,915 ft |
| August | 81.4 | 4,021 ft | 94.8 | 4,831 ft |
| September | 73.4 | 3,526 ft | 86.6 | 4,339 ft |
| October | 61.4 | 2,765 ft | 75.4 | 3,650 ft |
| November | 49.4 | 1,982 ft | 63.7 | 2,912 ft |
| December | 40.5 | 1,386 ft | 53.9 | 2,278 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 F21
DENSITY ALTITUDE
Field elevation 2,102 ft — the air behaves like 4,903 ft.
- PRESSURE ALT
- 2,103 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
- F06 — Marian Airpark
Wellington · elev 2,009 ft
- E34 — Smiley Johnson Municipal/Bass Field
Clarendon · elev 2,833 ft
- KCDS — Childress Municipal
Childress · elev 1,954 ft
- 2E7 — Mc Lean/Gray County
Mc Lean · elev 2,835 ft
- 2F1 — Shamrock Municipal
Shamrock · elev 2,369 ft
- 3F6 — Dan E Richards Municipal
Paducah · elev 1,860 ft
- T59 — Wheeler Municipal
Wheeler · elev 2,470 ft
- F01 — Quanah Municipal
Quanah · elev 1,603 ft
Frequently asked questions
How high does density altitude get at F21 in summer?
On a typical July afternoon — around 96 °F at the nearest NOAA normals station — density altitude at Memphis Municipal reaches roughly 4,915 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 F21 on an average day?
It swings with the seasons: from roughly 1,305 ft at the coldest month's average temperature to about 4,113 ft at the warmest month's — all from a constant field elevation of 2,102 ft. The month-by-month table above carries the full year.
What is the field elevation of Memphis Municipal?
2,102 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is F21 (FAA), in Memphis, Texas.