Haines, Alaska · field elev 29 ft
Density Altitude at Haines (PAHN)
Haines sits at 29 ft, and even a typical July afternoon (65 °F) only lifts density altitude to about 472 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 | 24.4 | −2,323 ft | 30.1 | −1,917 ft |
| February | 28.0 | −2,066 ft | 34.1 | −1,636 ft |
| March | 32.5 | −1,748 ft | 38.6 | −1,323 ft |
| April | 42.1 | −1,082 ft | 49.8 | −558 ft |
| May | 50.8 | −491 ft | 59.5 | 87 ft |
| June | 56.6 | −104 ft | 64.1 | 388 ft |
| July | 58.8 | 41 ft | 65.4 | 472 ft |
| August | 57.6 | −38 ft | 64.2 | 394 ft |
| September | 51.6 | −438 ft | 57.4 | −52 ft |
| October | 42.6 | −1,047 ft | 47.8 | −693 ft |
| November | 31.3 | −1,832 ft | 36.3 | −1,482 ft |
| December | 26.9 | −2,144 ft | 31.9 | −1,790 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 PAHN
DENSITY ALTITUDE
Field elevation 29 ft — the air behaves like 446 ft.
- PRESSURE ALT
- 30 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 Alaska fields
- PAGY — Skagway
Skagway · elev 44 ft
- PAGS — Gustavus
Gustavus · elev 36 ft
- PAJN — Juneau International
Juneau · elev 25 ft
- PAOH — Hoonah
Hoonah · elev 22 ft
- AK76 — East Alsek River
Yakutat · elev 39 ft
- A57 — Alsek River
Yakutat · elev 53 ft
- 3AK — Dry Bay
Yakutat · elev 33 ft
- A69 — Tanis Mesa
Yakutat · elev 183 ft
Frequently asked questions
How high does density altitude get at PAHN in summer?
On a typical July afternoon — around 65 °F at the nearest NOAA normals station — density altitude at Haines reaches roughly 472 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 PAHN on an average day?
It swings with the seasons: from roughly −2,323 ft at the coldest month's average temperature to about 41 ft at the warmest month's — all from a constant field elevation of 29 ft. The month-by-month table above carries the full year.
What is the field elevation of Haines?
29 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is PAHN (ICAO) / HNS (FAA), in Haines, Alaska.