Kailua-Kona, Hawaii · field elev 51 ft
Density Altitude at Ellison Onizuka Kona International At Keahole (PHKO)
Ellison Onizuka Kona International At Keahole sits at 51 ft, and even a typical August afternoon (87 °F) only lifts density altitude to about 1,884 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 | 75.0 | 1,115 ft | 81.4 | 1,518 ft |
| February | 75.0 | 1,115 ft | 81.5 | 1,524 ft |
| March | 75.9 | 1,172 ft | 82.2 | 1,568 ft |
| April | 77.2 | 1,254 ft | 83.2 | 1,630 ft |
| May | 78.3 | 1,323 ft | 83.9 | 1,673 ft |
| June | 79.6 | 1,405 ft | 85.2 | 1,754 ft |
| July | 80.5 | 1,461 ft | 86.1 | 1,810 ft |
| August | 81.5 | 1,524 ft | 87.3 | 1,884 ft |
| September | 81.0 | 1,493 ft | 86.9 | 1,859 ft |
| October | 80.3 | 1,449 ft | 86.2 | 1,816 ft |
| November | 78.4 | 1,329 ft | 84.4 | 1,704 ft |
| December | 76.2 | 1,191 ft | 82.3 | 1,574 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 PHKO
DENSITY ALTITUDE
Field elevation 51 ft — the air behaves like 1,865 ft.
- PRESSURE ALT
- 52 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 Hawaii fields
- PHMU — Waimea-Kohala
Kamuela · elev 2,671 ft
- PHUP — Upolu
Hawi · elev 96 ft
- PHTO — Hilo International
Hilo · elev 38 ft
- PHHN — Hana
Hana · elev 78 ft
- PHOG — Kahului
Kahului · elev 55 ft
- PHNY — Lanai
Lanai City · elev 1,308 ft
- PHLU — Kalaupapa
Kalaupapa · elev 24 ft
- PHMK — Molokai
Kaunakakai · elev 454 ft
Frequently asked questions
How high does density altitude get at PHKO in summer?
On a typical August afternoon — around 87 °F at the nearest NOAA normals station — density altitude at Ellison Onizuka Kona International At Keahole reaches roughly 1,884 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 PHKO on an average day?
It swings with the seasons: from roughly 1,115 ft at the coldest month's average temperature to about 1,524 ft at the warmest month's — all from a constant field elevation of 51 ft. The month-by-month table above carries the full year.
What is the field elevation of Ellison Onizuka Kona International At Keahole?
51 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is PHKO (ICAO) / KOA (FAA), in Kailua-Kona, Hawaii.