New York, New York · field elev 13 ft
Density Altitude at John F Kennedy International (KJFK)
John F Kennedy International sits at 13 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 1,608 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 | 32.8 | −1,747 ft | 39.5 | −1,280 ft |
| February | 34.5 | −1,628 ft | 41.7 | −1,129 ft |
| March | 41.1 | −1,170 ft | 48.7 | −652 ft |
| April | 50.9 | −504 ft | 58.8 | 21 ft |
| May | 60.5 | 133 ft | 68.4 | 646 ft |
| June | 70.2 | 762 ft | 78.0 | 1,258 ft |
| July | 76.1 | 1,138 ft | 83.6 | 1,608 ft |
| August | 75.0 | 1,068 ft | 82.2 | 1,521 ft |
| September | 68.4 | 646 ft | 75.8 | 1,119 ft |
| October | 57.2 | −85 ft | 64.7 | 407 ft |
| November | 46.8 | −781 ft | 53.8 | −310 ft |
| December | 38.3 | −1,363 ft | 44.5 | −937 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 KJFK
DENSITY ALTITUDE
Field elevation 13 ft — the air behaves like 1,633 ft.
- PRESSURE ALT
- 14 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
- KLGA — Laguardia
New York · elev 21 ft
- KFRG — Republic
Farmingdale · elev 82 ft
- KHPN — Westchester County
White Plains · elev 439 ft
- KISP — Long Island Mac Arthur
New York · elev 99 ft
- 23N — Bayport Aerodrome
Bayport · elev 39 ft
- KHWV — Brookhaven
Shirley · elev 81 ft
- N72 — Warwick Municipal
Warwick · elev 540 ft
- KFOK — Francis S Gabreski
Westhampton Beach · elev 66 ft
Frequently asked questions
How high does density altitude get at KJFK in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at John F Kennedy International reaches roughly 1,608 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 KJFK on an average day?
It swings with the seasons: from roughly −1,747 ft at the coldest month's average temperature to about 1,138 ft at the warmest month's — all from a constant field elevation of 13 ft. The month-by-month table above carries the full year.
What is the field elevation of John F Kennedy International?
13 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KJFK (ICAO) / JFK (FAA), in New York, New York.