New York, New York · field elev 21 ft
Density Altitude at Laguardia (KLGA)
Laguardia sits at 21 ft, and even a typical July afternoon (86 °F) only lifts density altitude to about 1,792 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 | 34.4 | −1,625 ft | 40.2 | −1,222 ft |
| February | 36.3 | −1,492 ft | 42.7 | −1,050 ft |
| March | 43.1 | −1,023 ft | 49.9 | −562 ft |
| April | 53.6 | −314 ft | 61.3 | 195 ft |
| May | 63.7 | 352 ft | 71.8 | 874 ft |
| June | 73.4 | 976 ft | 81.1 | 1,462 ft |
| July | 79.2 | 1,343 ft | 86.4 | 1,792 ft |
| August | 77.7 | 1,249 ft | 84.5 | 1,674 ft |
| September | 70.8 | 810 ft | 77.2 | 1,217 ft |
| October | 59.6 | 84 ft | 66.0 | 501 ft |
| November | 49.1 | −616 ft | 55.0 | −221 ft |
| December | 40.0 | −1,236 ft | 45.4 | −866 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 KLGA
DENSITY ALTITUDE
Field elevation 21 ft — the air behaves like 1,767 ft.
- PRESSURE ALT
- 22 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
- KJFK — John F Kennedy International
New York · elev 13 ft
- KHPN — Westchester County
White Plains · elev 439 ft
- KFRG — Republic
Farmingdale · elev 82 ft
- KISP — Long Island Mac Arthur
New York · elev 99 ft
- N72 — Warwick Municipal
Warwick · elev 540 ft
- 23N — Bayport Aerodrome
Bayport · elev 39 ft
- KSWF — New York Stewart International
New York · elev 491 ft
- KHWV — Brookhaven
Shirley · elev 81 ft
Frequently asked questions
How high does density altitude get at KLGA in summer?
On a typical July afternoon — around 86 °F at the nearest NOAA normals station — density altitude at Laguardia reaches roughly 1,792 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 KLGA on an average day?
It swings with the seasons: from roughly −1,625 ft at the coldest month's average temperature to about 1,343 ft at the warmest month's — all from a constant field elevation of 21 ft. The month-by-month table above carries the full year.
What is the field elevation of Laguardia?
21 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KLGA (ICAO) / LGA (FAA), in New York, New York.