San Diego, California · field elev 427 ft
Density Altitude at Montgomery-Gibbs Exec (KMYF)
Montgomery-Gibbs Exec sits at 427 ft, and even a typical August afternoon (82 °F) only lifts density altitude to about 2,015 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 | 56.6 | 387 ft | 67.3 | 1,085 ft |
| February | 57.1 | 420 ft | 67.3 | 1,085 ft |
| March | 59.1 | 552 ft | 68.5 | 1,162 ft |
| April | 61.5 | 709 ft | 70.7 | 1,303 ft |
| May | 64.4 | 897 ft | 72.1 | 1,392 ft |
| June | 67.3 | 1,085 ft | 74.7 | 1,557 ft |
| July | 71.9 | 1,379 ft | 79.8 | 1,877 ft |
| August | 73.7 | 1,493 ft | 82.0 | 2,015 ft |
| September | 72.5 | 1,417 ft | 81.4 | 1,977 ft |
| October | 67.8 | 1,117 ft | 77.8 | 1,752 ft |
| November | 61.4 | 702 ft | 72.7 | 1,430 ft |
| December | 56.3 | 368 ft | 67.3 | 1,085 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 KMYF
DENSITY ALTITUDE
Field elevation 427 ft — the air behaves like 2,015 ft.
- PRESSURE ALT
- 428 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 California fields
- KSAN — San Diego International
San Diego · elev 17 ft
- KSEE — Gillespie Field
San Diego/El Cajon · elev 388 ft
- KSDM — Brown Field Municipal
San Diego · elev 526 ft
- KRNM — Ramona
Ramona · elev 1,395 ft
- KCRQ — Mc Clellan-Palomar
Carlsbad · elev 331 ft
- KOKB — Bob Maxwell Meml Airfield
Oceanside · elev 28 ft
- L18 — Fallbrook Community Airpark
Fallbrook · elev 711 ft
- F70 — French Valley
Murrieta/Temecula · elev 1,350 ft
Frequently asked questions
How high does density altitude get at KMYF in summer?
On a typical August afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Montgomery-Gibbs Exec reaches roughly 2,015 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 KMYF on an average day?
It swings with the seasons: from roughly 368 ft at the coldest month's average temperature to about 1,493 ft at the warmest month's — all from a constant field elevation of 427 ft. The month-by-month table above carries the full year.
What is the field elevation of Montgomery-Gibbs Exec?
427 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KMYF (ICAO) / MYF (FAA), in San Diego, California.