Hampton, South Carolina · field elev 112 ft
Density Altitude at Hampton County (3J0)
Hampton County sits at 112 ft, and even a typical July afternoon (92 °F) only lifts density altitude to about 2,258 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 | 50.5 | −408 ft | 61.9 | 347 ft |
| February | 53.6 | −201 ft | 65.5 | 581 ft |
| March | 59.9 | 216 ft | 72.4 | 1,024 ft |
| April | 66.7 | 659 ft | 79.2 | 1,454 ft |
| May | 73.8 | 1,113 ft | 85.6 | 1,853 ft |
| June | 79.6 | 1,480 ft | 90.1 | 2,130 ft |
| July | 82.3 | 1,648 ft | 92.2 | 2,258 ft |
| August | 81.1 | 1,573 ft | 90.7 | 2,167 ft |
| September | 76.7 | 1,297 ft | 86.5 | 1,909 ft |
| October | 67.6 | 717 ft | 78.9 | 1,436 ft |
| November | 58.6 | 130 ft | 70.4 | 897 ft |
| December | 52.5 | −274 ft | 63.9 | 477 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 3J0
DENSITY ALTITUDE
Field elevation 112 ft — the air behaves like 2,246 ft.
- PRESSURE ALT
- 113 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 South Carolina fields
- 7S1 — 7 Oaks Flight Park
Fairfax · elev 138 ft
- KAQX — Allendale County
Allendale · elev 162 ft
- KRBW — Lowcountry Regional
Walterboro · elev 101 ft
- 3J1 — Ridgeland-Claude Dean
Ridgeland · elev 85 ft
- 99N — Bamberg County
Bamberg · elev 231 ft
- KBNL — Barnwell Regional
Barnwell · elev 246 ft
- 1DS — Dry Swamp
Orangeburg · elev 180 ft
- 6J2 — St George
St George · elev 85 ft
Frequently asked questions
How high does density altitude get at 3J0 in summer?
On a typical July afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Hampton County reaches roughly 2,258 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 3J0 on an average day?
It swings with the seasons: from roughly −408 ft at the coldest month's average temperature to about 1,648 ft at the warmest month's — all from a constant field elevation of 112 ft. The month-by-month table above carries the full year.
What is the field elevation of Hampton County?
112 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 3J0 (FAA), in Hampton, South Carolina.