Biddeford, Maine · field elev 157 ft
Density Altitude at Biddeford Municipal (B19)
Biddeford Municipal sits at 157 ft, and even a typical July afternoon (77 °F) only lifts density altitude to about 1,365 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 | 22.9 | −2,270 ft | 32.7 | −1,574 ft |
| February | 24.7 | −2,141 ft | 34.9 | −1,420 ft |
| March | 32.0 | −1,623 ft | 41.2 | −984 ft |
| April | 42.1 | −922 ft | 52.0 | −252 ft |
| May | 52.1 | −245 ft | 61.6 | 383 ft |
| June | 61.5 | 376 ft | 70.8 | 977 ft |
| July | 67.3 | 753 ft | 76.9 | 1,365 ft |
| August | 66.2 | 682 ft | 76.0 | 1,308 ft |
| September | 59.1 | 219 ft | 69.3 | 881 ft |
| October | 48.1 | −514 ft | 58.6 | 186 ft |
| November | 38.7 | −1,156 ft | 48.3 | −501 ft |
| December | 29.4 | −1,806 ft | 38.8 | −1,149 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 B19
DENSITY ALTITUDE
Field elevation 157 ft — the air behaves like 1,371 ft.
- PRESSURE ALT
- 158 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
- KSFM — Sanford Seacoast Regional
Sanford · elev 244 ft
- KPWM — Portland International Jetport
Portland · elev 76 ft
- 63B — Limington-Harmon
Limington · elev 292 ft
- KBXM — Brunswick Exec
Brunswick · elev 75 ft
- KLEW — Auburn/Lewiston Municipal
Auburn/Lewiston · elev 288 ft
- KIZG — White Mountain Regional
Fryeburg · elev 455 ft
- 08B — Merrymeeting Field
Bowdoinham · elev 61 ft
Frequently asked questions
How high does density altitude get at B19 in summer?
On a typical July afternoon — around 77 °F at the nearest NOAA normals station — density altitude at Biddeford Municipal reaches roughly 1,365 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 B19 on an average day?
It swings with the seasons: from roughly −2,270 ft at the coldest month's average temperature to about 753 ft at the warmest month's — all from a constant field elevation of 157 ft. The month-by-month table above carries the full year.
What is the field elevation of Biddeford Municipal?
157 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is B19 (FAA), in Biddeford, Maine.