Ashburn, Georgia · field elev 389 ft
Density Altitude at Turner County (75J)
Turner County sits at 389 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 2,498 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 | 47.7 | −253 ft | 59.1 | 505 ft |
| February | 51.8 | 22 ft | 63.7 | 805 ft |
| March | 58.4 | 459 ft | 70.9 | 1,269 ft |
| April | 65.0 | 889 ft | 77.7 | 1,699 ft |
| May | 73.3 | 1,421 ft | 85.1 | 2,160 ft |
| June | 79.2 | 1,793 ft | 89.5 | 2,431 ft |
| July | 80.8 | 1,893 ft | 90.6 | 2,498 ft |
| August | 80.4 | 1,868 ft | 90.5 | 2,492 ft |
| September | 76.0 | 1,592 ft | 86.8 | 2,265 ft |
| October | 66.6 | 993 ft | 78.8 | 1,768 ft |
| November | 57.0 | 367 ft | 69.2 | 1,160 ft |
| December | 50.9 | −38 ft | 62.6 | 734 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 75J
DENSITY ALTITUDE
Field elevation 389 ft — the air behaves like 2,522 ft.
- PRESSURE ALT
- 390 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 Georgia fields
- KSYV — Sylvester
Sylvester · elev 403 ft
- KTMA — Henry Tift Myers
Tifton · elev 355 ft
- KFZG — Fitzgerald Municipal
Fitzgerald · elev 365 ft
- KCKF — Crisp County-Cordele
Cordele · elev 310 ft
- KABY — Southwest Georgia Regional
Albany · elev 196 ft
- KMUL — Spence
Moultrie · elev 292 ft
- 15J — Cook County
Adel · elev 235 ft
- 4J2 — Berrien County
Nashville · elev 240 ft
Frequently asked questions
How high does density altitude get at 75J in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Turner County reaches roughly 2,498 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 75J on an average day?
It swings with the seasons: from roughly −253 ft at the coldest month's average temperature to about 1,893 ft at the warmest month's — all from a constant field elevation of 389 ft. The month-by-month table above carries the full year.
What is the field elevation of Turner County?
389 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 75J (FAA), in Ashburn, Georgia.