Donalsonville, Georgia · field elev 147 ft
Density Altitude at Donalsonville Municipal (17J)
Donalsonville Municipal sits at 147 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 2,246 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 | 49.0 | −466 ft | 59.0 | 200 ft |
| February | 53.7 | −151 ft | 64.5 | 559 ft |
| March | 59.7 | 246 ft | 71.5 | 1,010 ft |
| April | 66.4 | 682 ft | 77.8 | 1,409 ft |
| May | 74.4 | 1,194 ft | 85.4 | 1,884 ft |
| June | 80.1 | 1,554 ft | 89.4 | 2,130 ft |
| July | 82.0 | 1,672 ft | 91.3 | 2,246 ft |
| August | 81.8 | 1,660 ft | 91.0 | 2,228 ft |
| September | 77.4 | 1,384 ft | 87.2 | 1,995 ft |
| October | 68.6 | 824 ft | 79.9 | 1,541 ft |
| November | 58.2 | 147 ft | 69.8 | 901 ft |
| December | 52.1 | −258 ft | 62.3 | 416 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 17J
DENSITY ALTITUDE
Field elevation 147 ft — the air behaves like 2,228 ft.
- PRESSURE ALT
- 148 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
- KBGE — Decatur County Industrial Air Park
Bainbridge · elev 141 ft
- KBIJ — Early County
Blakely · elev 215 ft
- KCXU — Camilla-Mitchell County
Camilla · elev 176 ft
- 70J — Cairo-Grady County
Cairo · elev 264 ft
- 25J — Randolph County
Cuthbert · elev 460 ft
- KABY — Southwest Georgia Regional
Albany · elev 196 ft
- 16J — Dawson Municipal
Dawson · elev 332 ft
- KTVI — Thomasville Regional
Thomasville · elev 264 ft
Frequently asked questions
How high does density altitude get at 17J in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Donalsonville Municipal reaches roughly 2,246 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 17J on an average day?
It swings with the seasons: from roughly −466 ft at the coldest month's average temperature to about 1,672 ft at the warmest month's — all from a constant field elevation of 147 ft. The month-by-month table above carries the full year.
What is the field elevation of Donalsonville Municipal?
147 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 17J (FAA), in Donalsonville, Georgia.