Fort Yukon, Alaska · field elev 447 ft
Density Altitude at Fort Yukon (PFYU)
Fort Yukon sits at 447 ft, and even a typical July afternoon (73 °F) only lifts density altitude to about 1,486 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 | −15.7 | −4,819 ft | −7.4 | −4,167 ft |
| February | −7.8 | −4,198 ft | 3.2 | −3,355 ft |
| March | 1.1 | −3,514 ft | 16.5 | −2,368 ft |
| April | 26.7 | −1,634 ft | 41.8 | −582 ft |
| May | 47.0 | −229 ft | 59.9 | 629 ft |
| June | 59.3 | 590 ft | 72.3 | 1,429 ft |
| July | 61.0 | 701 ft | 73.2 | 1,486 ft |
| August | 54.2 | 253 ft | 66.3 | 1,045 ft |
| September | 41.5 | −603 ft | 53.0 | 174 ft |
| October | 20.4 | −2,086 ft | 28.6 | −1,500 ft |
| November | −2.8 | −3,812 ft | 4.9 | −3,227 ft |
| December | −9.1 | −4,300 ft | −1.4 | −3,705 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 PFYU
DENSITY ALTITUDE
Field elevation 447 ft — the air behaves like 1,473 ft.
- PRESSURE ALT
- 448 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
- PAAR — Birch Creek
Birch Creek · elev 440 ft
- PACI — Chalkyitsik
Chalkyitsik · elev 549 ft
- PAVE — Venetie
Venetie · elev 574 ft
- PACR — Circle City
Circle · elev 613 ft
- PAWB — Beaver
Beaver · elev 365 ft
- PACE — Central
Central · elev 937 ft
- CHP — Circle Hot Springs
Circle Hot Springs · elev 870 ft
- L20 — Coal Creek
Yukon Charley Rivers · elev 867 ft
Frequently asked questions
How high does density altitude get at PFYU in summer?
On a typical July afternoon — around 73 °F at the nearest NOAA normals station — density altitude at Fort Yukon reaches roughly 1,486 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 PFYU on an average day?
It swings with the seasons: from roughly −4,819 ft at the coldest month's average temperature to about 701 ft at the warmest month's — all from a constant field elevation of 447 ft. The month-by-month table above carries the full year.
What is the field elevation of Fort Yukon?
447 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is PFYU (ICAO) / FYU (FAA), in Fort Yukon, Alaska.