Defuniak Springs, Florida · field elev 289 ft
Density Altitude at Defuniak Springs (54J)
Defuniak Springs sits at 289 ft, and even a typical July afternoon (92 °F) only lifts density altitude to about 2,480 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 | 50.9 | −162 ft | 62.3 | 591 ft |
| February | 54.6 | 84 ft | 65.8 | 818 ft |
| March | 60.4 | 467 ft | 72.7 | 1,261 ft |
| April | 66.6 | 870 ft | 79.2 | 1,671 ft |
| May | 74.8 | 1,394 ft | 86.4 | 2,119 ft |
| June | 80.3 | 1,740 ft | 90.3 | 2,358 ft |
| July | 82.4 | 1,871 ft | 92.3 | 2,480 ft |
| August | 81.5 | 1,815 ft | 91.4 | 2,425 ft |
| September | 77.8 | 1,583 ft | 88.3 | 2,235 ft |
| October | 68.9 | 1,018 ft | 80.5 | 1,752 ft |
| November | 58.9 | 368 ft | 71.3 | 1,171 ft |
| December | 53.1 | −15 ft | 64.3 | 721 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 54J
DENSITY ALTITUDE
Field elevation 289 ft — the air behaves like 2,462 ft.
- PRESSURE ALT
- 290 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 Florida fields
- KCEW — Bob Sikes
Crestview · elev 214 ft
- KVPS — Eglin AFB/Destin-Ft Walton Beach
Valparaiso/Destin-Ft Walton Beach · elev 84 ft
- KDTS — Destin Exec
Destin · elev 23 ft
- KECP — Northwest Florida Beaches International
Panama City · elev 69 ft
- KBCR — Tri-County
Bonifay · elev 86 ft
- 1J9 — Fort Walton Beach
Navarre · elev 22 ft
- 2R4 — Peter Prince Field
Milton · elev 82 ft
- KMAI — Marianna Municipal
Marianna · elev 111 ft
Frequently asked questions
How high does density altitude get at 54J in summer?
On a typical July afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Defuniak Springs reaches roughly 2,480 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 54J on an average day?
It swings with the seasons: from roughly −162 ft at the coldest month's average temperature to about 1,871 ft at the warmest month's — all from a constant field elevation of 289 ft. The month-by-month table above carries the full year.
What is the field elevation of Defuniak Springs?
289 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 54J (FAA), in Defuniak Springs, Florida.