Pilot Point, Alaska · field elev 132 ft
Density Altitude at Ugashik Bay (UGB)
Ugashik Bay sits at 132 ft, and even a typical July afternoon (65 °F) only lifts density altitude to about 547 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 | 16.6 | −2,758 ft | 23.5 | −2,258 ft |
| February | 22.1 | −2,359 ft | 29.5 | −1,831 ft |
| March | 23.5 | −2,258 ft | 31.8 | −1,668 ft |
| April | 36.0 | −1,375 ft | 44.5 | −789 ft |
| May | 45.6 | −715 ft | 55.2 | −70 ft |
| June | 52.8 | −230 ft | 62.1 | 384 ft |
| July | 56.7 | 29 ft | 64.6 | 547 ft |
| August | 55.7 | −37 ft | 63.3 | 463 ft |
| September | 48.7 | −505 ft | 56.3 | 3 ft |
| October | 36.4 | −1,347 ft | 43.8 | −837 ft |
| November | 25.0 | −2,151 ft | 31.9 | −1,661 ft |
| December | 18.6 | −2,612 ft | 25.7 | −2,101 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 UGB
DENSITY ALTITUDE
Field elevation 132 ft — the air behaves like 573 ft.
- PRESSURE ALT
- 133 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
- PAPN — Pilot Point
Pilot Point · elev 57 ft
- 9A8 — Ugashik
Ugashik · elev 44 ft
- PAPH — Port Heiden
Port Heiden · elev 95 ft
- PAII — Egegik
Egegik · elev 92 ft
- PAJC — Chignik
Chignik · elev 18 ft
- KCL — Chignik Lagoon
Chignik Lagoon · elev 28 ft
- A79 — Chignik Lake
Chignik Lake · elev 50 ft
- PFWS — South Naknek Nr 2
South Naknek · elev 162 ft
Frequently asked questions
How high does density altitude get at UGB in summer?
On a typical July afternoon — around 65 °F at the nearest NOAA normals station — density altitude at Ugashik Bay reaches roughly 547 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 UGB on an average day?
It swings with the seasons: from roughly −2,758 ft at the coldest month's average temperature to about 29 ft at the warmest month's — all from a constant field elevation of 132 ft. The month-by-month table above carries the full year.
What is the field elevation of Ugashik Bay?
132 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is UGB (FAA), in Pilot Point, Alaska.