Nashville, Georgia · field elev 240 ft
Density Altitude at Berrien County (4J2)
Berrien County sits at 240 ft, and even a typical July afternoon (90 °F) only lifts density altitude to about 2,280 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 | 47.6 | −445 ft | 58.7 | 295 ft |
| February | 52.0 | −149 ft | 63.8 | 628 ft |
| March | 57.3 | 203 ft | 69.0 | 964 ft |
| April | 63.7 | 622 ft | 75.4 | 1,372 ft |
| May | 72.2 | 1,169 ft | 84.0 | 1,910 ft |
| June | 77.6 | 1,511 ft | 87.9 | 2,151 ft |
| July | 80.1 | 1,667 ft | 90.0 | 2,280 ft |
| August | 79.6 | 1,636 ft | 89.4 | 2,243 ft |
| September | 75.5 | 1,378 ft | 85.8 | 2,022 ft |
| October | 66.1 | 777 ft | 77.1 | 1,479 ft |
| November | 56.5 | 150 ft | 68.3 | 919 ft |
| December | 51.1 | −210 ft | 62.6 | 550 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 4J2
DENSITY ALTITUDE
Field elevation 240 ft — the air behaves like 2,280 ft.
- PRESSURE ALT
- 241 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
- 15J — Cook County
Adel · elev 235 ft
- KTMA — Henry Tift Myers
Tifton · elev 355 ft
- KDQH — Douglas Municipal
Douglas · elev 257 ft
- KHOE — Homerville
Homerville · elev 187 ft
- KMUL — Spence
Moultrie · elev 292 ft
- KVLD — Valdosta Regional
Valdosta · elev 203 ft
- KFZG — Fitzgerald Municipal
Fitzgerald · elev 365 ft
- KMGR — Moultrie Municipal
Moultrie · elev 297 ft
Frequently asked questions
How high does density altitude get at 4J2 in summer?
On a typical July afternoon — around 90 °F at the nearest NOAA normals station — density altitude at Berrien County reaches roughly 2,280 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 4J2 on an average day?
It swings with the seasons: from roughly −445 ft at the coldest month's average temperature to about 1,667 ft at the warmest month's — all from a constant field elevation of 240 ft. The month-by-month table above carries the full year.
What is the field elevation of Berrien County?
240 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 4J2 (FAA), in Nashville, Georgia.