Limington, Maine · field elev 292 ft
Density Altitude at Limington-Harmon (63B)
Limington-Harmon sits at 292 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 1,825 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 | 19.8 | −2,324 ft | 31.4 | −1,496 ft |
| February | 22.0 | −2,165 ft | 34.4 | −1,286 ft |
| March | 31.8 | −1,468 ft | 43.3 | −672 ft |
| April | 43.3 | −672 ft | 55.7 | 161 ft |
| May | 54.9 | 108 ft | 67.2 | 912 ft |
| June | 64.3 | 725 ft | 76.3 | 1,492 ft |
| July | 69.9 | 1,086 ft | 81.6 | 1,825 ft |
| August | 68.4 | 989 ft | 80.5 | 1,756 ft |
| September | 60.4 | 471 ft | 72.5 | 1,252 ft |
| October | 48.1 | −347 ft | 59.8 | 431 ft |
| November | 37.0 | −1,106 ft | 47.9 | −360 ft |
| December | 26.7 | −1,829 ft | 36.9 | −1,112 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 63B
DENSITY ALTITUDE
Field elevation 292 ft — the air behaves like 1,850 ft.
- PRESSURE ALT
- 293 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
- 98M — Greaton Airfield
Saco · elev 170 ft
- KPWM — Portland International Jetport
Portland · elev 76 ft
- KIZG — White Mountain Regional
Fryeburg · elev 455 ft
- B19 — Biddeford Municipal
Biddeford · elev 157 ft
- KSFM — Sanford Seacoast Regional
Sanford · elev 244 ft
- KLEW — Auburn/Lewiston Municipal
Auburn/Lewiston · elev 288 ft
- 81B — Oxford County Regional
Oxford · elev 345 ft
- KBXM — Brunswick Exec
Brunswick · elev 75 ft
Frequently asked questions
How high does density altitude get at 63B in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Limington-Harmon reaches roughly 1,825 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 63B on an average day?
It swings with the seasons: from roughly −2,324 ft at the coldest month's average temperature to about 1,086 ft at the warmest month's — all from a constant field elevation of 292 ft. The month-by-month table above carries the full year.
What is the field elevation of Limington-Harmon?
292 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 63B (FAA), in Limington, Maine.