Hampton, New Hampshire · field elev 93 ft
Density Altitude at Hampton Airfield (7B3)
Hampton Airfield sits at 93 ft, and even a typical July afternoon (81 °F) only lifts density altitude to about 1,513 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 | 24.4 | −2,242 ft | 32.6 | −1,661 ft |
| February | 26.6 | −2,085 ft | 35.6 | −1,451 ft |
| March | 34.3 | −1,542 ft | 43.3 | −920 ft |
| April | 45.3 | −783 ft | 55.8 | −78 ft |
| May | 55.4 | −105 ft | 66.1 | 596 ft |
| June | 64.5 | 493 ft | 75.0 | 1,166 ft |
| July | 70.3 | 867 ft | 80.5 | 1,513 ft |
| August | 69.1 | 790 ft | 79.4 | 1,444 ft |
| September | 61.7 | 310 ft | 71.8 | 963 ft |
| October | 50.1 | −459 ft | 59.7 | 179 ft |
| November | 39.7 | −1,167 ft | 48.1 | −594 ft |
| December | 30.0 | −1,844 ft | 37.8 | −1,298 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 7B3
DENSITY ALTITUDE
Field elevation 93 ft — the air behaves like 1,544 ft.
- PRESSURE ALT
- 94 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 New Hampshire fields
- KPSM — Portsmouth International At Pease
Portsmouth · elev 100 ft
- KDAW — Skyhaven
Rochester · elev 322 ft
- KMHT — Manchester Boston Regional
Manchester · elev 266 ft
- KASH — Boire Field
Nashua · elev 200 ft
- KCON — Concord Municipal
Concord · elev 342 ft
- KLCI — Laconia Municipal
Laconia · elev 545 ft
- 8B1 — Hawthorne-Feather Airpark
Hillsboro · elev 600 ft
- KAFN — Jaffrey Airfield Silver Ranch
Jaffrey · elev 1,040 ft
Frequently asked questions
How high does density altitude get at 7B3 in summer?
On a typical July afternoon — around 81 °F at the nearest NOAA normals station — density altitude at Hampton Airfield reaches roughly 1,513 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 7B3 on an average day?
It swings with the seasons: from roughly −2,242 ft at the coldest month's average temperature to about 867 ft at the warmest month's — all from a constant field elevation of 93 ft. The month-by-month table above carries the full year.
What is the field elevation of Hampton Airfield?
93 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 7B3 (FAA), in Hampton, New Hampshire.