Andover, New Jersey · field elev 583 ft
Density Altitude at Aeroflex/Andover (12N)
Aeroflex/Andover sits at 583 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 2,304 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 | 27.4 | −1,414 ft | 35.9 | −819 ft |
| February | 29.4 | −1,273 ft | 39.2 | −591 ft |
| March | 37.8 | −688 ft | 47.8 | −6 ft |
| April | 49.5 | 108 ft | 60.8 | 856 ft |
| May | 59.5 | 771 ft | 71.0 | 1,513 ft |
| June | 68.1 | 1,328 ft | 79.1 | 2,024 ft |
| July | 72.7 | 1,621 ft | 83.6 | 2,304 ft |
| August | 70.8 | 1,500 ft | 81.5 | 2,174 ft |
| September | 63.4 | 1,025 ft | 74.4 | 1,729 ft |
| October | 52.3 | 295 ft | 62.9 | 992 ft |
| November | 42.0 | −399 ft | 51.6 | 249 ft |
| December | 32.8 | −1,035 ft | 40.8 | −481 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 12N
DENSITY ALTITUDE
Field elevation 583 ft — the air behaves like 2,329 ft.
- PRESSURE ALT
- 584 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 New Jersey fields
- 1N7 — Blairstown
Blairstown · elev 372 ft
- N05 — Hackettstown
Hackettstown · elev 670 ft
- KFWN — Sussex
Sussex · elev 422 ft
- 4N1 — Greenwood Lake
West Milford · elev 790 ft
- KMMU — Morristown Municipal
Morristown · elev 187 ft
- N07 — Lincoln Park
Lincoln Park · elev 181 ft
- KCDW — Essex County
Caldwell · elev 172 ft
- KSMQ — Somerset
Somerville · elev 106 ft
Frequently asked questions
How high does density altitude get at 12N in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Aeroflex/Andover reaches roughly 2,304 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 12N on an average day?
It swings with the seasons: from roughly −1,414 ft at the coldest month's average temperature to about 1,621 ft at the warmest month's — all from a constant field elevation of 583 ft. The month-by-month table above carries the full year.
What is the field elevation of Aeroflex/Andover?
583 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 12N (FAA), in Andover, New Jersey.