Lubec, Maine · field elev 85 ft
Density Altitude at Lubec Municipal (65B)
Lubec Municipal sits at 85 ft, and even a typical July afternoon (75 °F) only lifts density altitude to about 1,150 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 | 22.7 | −2,375 ft | 30.3 | −1,833 ft |
| February | 24.5 | −2,245 ft | 31.9 | −1,720 ft |
| March | 31.8 | −1,727 ft | 39.1 | −1,218 ft |
| April | 42.0 | −1,019 ft | 49.7 | −496 ft |
| May | 51.5 | −375 ft | 60.4 | 215 ft |
| June | 59.1 | 130 ft | 69.0 | 774 ft |
| July | 64.9 | 509 ft | 74.9 | 1,150 ft |
| August | 65.0 | 515 ft | 74.5 | 1,125 ft |
| September | 59.0 | 123 ft | 67.3 | 664 ft |
| October | 49.2 | −529 ft | 56.5 | −42 ft |
| November | 40.0 | −1,156 ft | 46.3 | −725 ft |
| December | 29.7 | −1,875 ft | 36.6 | −1,392 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 65B
DENSITY ALTITUDE
Field elevation 85 ft — the air behaves like 1,156 ft.
- PRESSURE ALT
- 86 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 Maine fields
- KEPM — Eastport Municipal
Eastport · elev 45 ft
- ME2 — Cutler Regional
Cutler · elev 55 ft
- 66B — Gillespie Field
Meddybemps · elev 200 ft
- KMVM — Machias Valley
Machias · elev 96 ft
- KPNN — Princeton Municipal
Princeton · elev 265 ft
- 43B — Deblois Flight Strip
Deblois · elev 218 ft
- KBHB — Hancock County/Bar Harbor
Bar Harbor · elev 83 ft
- KOLD — Dewitt Field/Old Town Municipal
Old Town · elev 127 ft
Frequently asked questions
How high does density altitude get at 65B in summer?
On a typical July afternoon — around 75 °F at the nearest NOAA normals station — density altitude at Lubec Municipal reaches roughly 1,150 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 65B on an average day?
It swings with the seasons: from roughly −2,375 ft at the coldest month's average temperature to about 515 ft at the warmest month's — all from a constant field elevation of 85 ft. The month-by-month table above carries the full year.
What is the field elevation of Lubec Municipal?
85 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 65B (FAA), in Lubec, Maine.