Soperton, Georgia · field elev 345 ft
Density Altitude at Treutlen County (4J8)
Treutlen County sits at 345 ft, and even a typical July afternoon (93 °F) only lifts density altitude to about 2,572 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 | 46.2 | −409 ft | 57.8 | 365 ft |
| February | 49.1 | −214 ft | 61.6 | 614 ft |
| March | 55.8 | 233 ft | 69.0 | 1,093 ft |
| April | 63.1 | 712 ft | 76.8 | 1,589 ft |
| May | 71.0 | 1,221 ft | 83.9 | 2,032 ft |
| June | 78.5 | 1,696 ft | 90.4 | 2,432 ft |
| July | 81.3 | 1,871 ft | 92.7 | 2,572 ft |
| August | 80.1 | 1,796 ft | 91.2 | 2,481 ft |
| September | 75.0 | 1,475 ft | 87.0 | 2,224 ft |
| October | 65.0 | 835 ft | 77.9 | 1,658 ft |
| November | 54.5 | 147 ft | 67.7 | 1,010 ft |
| December | 48.0 | −288 ft | 59.6 | 484 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 4J8
DENSITY ALTITUDE
Field elevation 345 ft — the air behaves like 2,590 ft.
- PRESSURE ALT
- 346 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
- KVDI — Vidalia Regional
Vidalia · elev 274 ft
- KSBO — East Georgia Regional
Swainsboro · elev 327 ft
- KMQW — Telfair-Wheeler
Mc Rae · elev 202 ft
- KDBN — W H 'Bud' Barron
Dublin · elev 311 ft
- KMHP — John Edwin Jones Sr Field/Metter Municipal
Metter · elev 197 ft
- KRVJ — Swinton Smith Field At Reidsville Municipal
Reidsville · elev 196 ft
- KEZM — Heart Of Georgia Regional
Eastman · elev 303 ft
- KAZE — Hazlehurst
Hazlehurst · elev 255 ft
Frequently asked questions
How high does density altitude get at 4J8 in summer?
On a typical July afternoon — around 93 °F at the nearest NOAA normals station — density altitude at Treutlen County reaches roughly 2,572 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 4J8 on an average day?
It swings with the seasons: from roughly −409 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 345 ft. The month-by-month table above carries the full year.
What is the field elevation of Treutlen County?
345 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 4J8 (FAA), in Soperton, Georgia.