Hana, Hawaii · field elev 78 ft
Density Altitude at Hana (PHHN)
Hana sits at 78 ft, and even a typical August afternoon (83 °F) only lifts density altitude to about 1,644 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 | 71.3 | 912 ft | 77.8 | 1,325 ft |
| February | 71.1 | 900 ft | 77.3 | 1,293 ft |
| March | 71.6 | 932 ft | 77.5 | 1,306 ft |
| April | 72.8 | 1,008 ft | 78.2 | 1,350 ft |
| May | 74.1 | 1,091 ft | 79.7 | 1,444 ft |
| June | 75.5 | 1,180 ft | 81.1 | 1,532 ft |
| July | 76.4 | 1,236 ft | 81.7 | 1,569 ft |
| August | 77.3 | 1,293 ft | 82.9 | 1,644 ft |
| September | 76.4 | 1,236 ft | 82.5 | 1,619 ft |
| October | 76.2 | 1,224 ft | 81.9 | 1,582 ft |
| November | 75.0 | 1,148 ft | 80.2 | 1,476 ft |
| December | 73.4 | 1,046 ft | 78.8 | 1,388 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 PHHN
DENSITY ALTITUDE
Field elevation 78 ft — the air behaves like 1,650 ft.
- PRESSURE ALT
- 79 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
- PHOG — Kahului
Kahului · elev 55 ft
- PHUP — Upolu
Hawi · elev 96 ft
- PHMU — Waimea-Kohala
Kamuela · elev 2,671 ft
- PHNY — Lanai
Lanai City · elev 1,308 ft
- PHLU — Kalaupapa
Kalaupapa · elev 24 ft
- PHKO — Ellison Onizuka Kona International At Keahole
Kailua-Kona · elev 51 ft
- PHMK — Molokai
Kaunakakai · elev 454 ft
- PHTO — Hilo International
Hilo · elev 38 ft
Frequently asked questions
How high does density altitude get at PHHN in summer?
On a typical August afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Hana reaches roughly 1,644 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 PHHN on an average day?
It swings with the seasons: from roughly 900 ft at the coldest month's average temperature to about 1,293 ft at the warmest month's — all from a constant field elevation of 78 ft. The month-by-month table above carries the full year.
What is the field elevation of Hana?
78 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is PHHN (ICAO) / HNM (FAA), in Hana, Hawaii.