Freehold, New York · field elev 440 ft
Density Altitude at Freehold (1I5)
Freehold sits at 440 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 2,136 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 | 24.6 | −1,793 ft | 33.3 | −1,178 ft |
| February | 26.9 | −1,629 ft | 36.8 | −935 ft |
| March | 35.1 | −1,053 ft | 44.9 | −380 ft |
| April | 47.2 | −224 ft | 58.6 | 535 ft |
| May | 58.6 | 535 ft | 70.6 | 1,312 ft |
| June | 67.1 | 1,088 ft | 78.6 | 1,818 ft |
| July | 72.0 | 1,401 ft | 83.7 | 2,136 ft |
| August | 70.5 | 1,306 ft | 81.9 | 2,024 ft |
| September | 62.9 | 816 ft | 74.5 | 1,560 ft |
| October | 51.1 | 38 ft | 61.8 | 744 ft |
| November | 40.3 | −694 ft | 49.5 | −69 ft |
| December | 31.0 | −1,339 ft | 39.0 | −783 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 1I5
DENSITY ALTITUDE
Field elevation 440 ft — the air behaves like 2,154 ft.
- PRESSURE ALT
- 441 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 York fields
- 1H4 — Greenville-Rainbow
Greenville · elev 840 ft
- 4B0 — South Albany
South Bethlehem · elev 196 ft
- 1B1 — Columbia County
Hudson · elev 198 ft
- 1A1 — Green Acres
Livingston · elev 297 ft
- NY1 — Kline Kill
Ghent · elev 380 ft
- N25 — Blue Heron
Gallupville · elev 1,200 ft
- 20N — Kingston-Ulster
Kingston · elev 147 ft
- 4B1 — Duanesburg
Duanesburg · elev 714 ft
Frequently asked questions
How high does density altitude get at 1I5 in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Freehold reaches roughly 2,136 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 1I5 on an average day?
It swings with the seasons: from roughly −1,793 ft at the coldest month's average temperature to about 1,401 ft at the warmest month's — all from a constant field elevation of 440 ft. The month-by-month table above carries the full year.
What is the field elevation of Freehold?
440 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 1I5 (FAA), in Freehold, New York.