Monterey, California · field elev 257 ft
Density Altitude at Monterey Regional (KMRY)
Monterey Regional sits at 257 ft, and even a typical September afternoon (71 °F) only lifts density altitude to about 1,107 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 | 52.5 | −95 ft | 61.6 | 506 ft |
| February | 53.6 | −22 ft | 62.1 | 538 ft |
| March | 54.2 | 18 ft | 62.5 | 565 ft |
| April | 55.3 | 91 ft | 63.3 | 617 ft |
| May | 57.7 | 250 ft | 65.4 | 753 ft |
| June | 60.1 | 408 ft | 67.9 | 914 ft |
| July | 61.6 | 506 ft | 68.9 | 978 ft |
| August | 62.5 | 565 ft | 70.0 | 1,049 ft |
| September | 62.4 | 558 ft | 70.9 | 1,107 ft |
| October | 60.3 | 421 ft | 69.8 | 1,036 ft |
| November | 55.5 | 105 ft | 65.2 | 740 ft |
| December | 52.1 | −122 ft | 61.6 | 506 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 KMRY
DENSITY ALTITUDE
Field elevation 257 ft — the air behaves like 1,113 ft.
- PRESSURE ALT
- 258 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
- KOAR — Marina Municipal
Marina · elev 137 ft
- KSNS — Salinas Municipal
Salinas · elev 84 ft
- KWVI — Watsonville Municipal
Watsonville · elev 163 ft
- KCVH — Hollister Municipal
Hollister · elev 231 ft
- 1C9 — Frazier Lake Airpark
Hollister · elev 152 ft
- E16 — San Martin
San Martin · elev 284 ft
- KKIC — Mesa Del Rey
King City · elev 374 ft
- KRHV — Reid-Hillview Of Santa Clara County
San Jose · elev 135 ft
Frequently asked questions
How high does density altitude get at KMRY in summer?
On a typical September afternoon — around 71 °F at the nearest NOAA normals station — density altitude at Monterey Regional reaches roughly 1,107 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 KMRY on an average day?
It swings with the seasons: from roughly −122 ft at the coldest month's average temperature to about 565 ft at the warmest month's — all from a constant field elevation of 257 ft. The month-by-month table above carries the full year.
What is the field elevation of Monterey Regional?
257 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KMRY (ICAO) / MRY (FAA), in Monterey, California.