Kalaupapa, Hawaii · field elev 24 ft
Density Altitude at Kalaupapa (PHLU)
Kalaupapa sits at 24 ft, and even a typical September afternoon (87 °F) only lifts density altitude to about 1,814 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 | 71.6 | 865 ft | 78.8 | 1,322 ft |
| February | 71.7 | 872 ft | 78.8 | 1,322 ft |
| March | 72.5 | 923 ft | 79.2 | 1,347 ft |
| April | 74.0 | 1,018 ft | 81.0 | 1,460 ft |
| May | 75.7 | 1,126 ft | 82.8 | 1,572 ft |
| June | 78.1 | 1,278 ft | 84.7 | 1,690 ft |
| July | 79.1 | 1,340 ft | 85.5 | 1,740 ft |
| August | 80.0 | 1,397 ft | 86.5 | 1,801 ft |
| September | 79.7 | 1,378 ft | 86.7 | 1,814 ft |
| October | 78.5 | 1,303 ft | 85.5 | 1,740 ft |
| November | 76.2 | 1,158 ft | 82.8 | 1,572 ft |
| December | 73.5 | 986 ft | 80.2 | 1,409 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 PHLU
DENSITY ALTITUDE
Field elevation 24 ft — the air behaves like 1,832 ft.
- PRESSURE ALT
- 25 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
- PHMK — Molokai
Kaunakakai · elev 454 ft
- PHNY — Lanai
Lanai City · elev 1,308 ft
- PHOG — Kahului
Kahului · elev 55 ft
- PHNL — Daniel K Inouye International
Honolulu · elev 14 ft
- PHHN — Hana
Hana · elev 78 ft
- PHJR — Kalaeloa (John Rodgers Field)
Kapolei · elev 32 ft
- PHDH — Kawaihapai Airfield
Mokuleia · elev 14 ft
- PHUP — Upolu
Hawi · elev 96 ft
Frequently asked questions
How high does density altitude get at PHLU in summer?
On a typical September afternoon — around 87 °F at the nearest NOAA normals station — density altitude at Kalaupapa reaches roughly 1,814 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 PHLU on an average day?
It swings with the seasons: from roughly 865 ft at the coldest month's average temperature to about 1,397 ft at the warmest month's — all from a constant field elevation of 24 ft. The month-by-month table above carries the full year.
What is the field elevation of Kalaupapa?
24 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is PHLU (ICAO) / LUP (FAA), in Kalaupapa, Hawaii.