Moncks Corner, South Carolina · field elev 74 ft
Density Altitude at Berkeley County (KMKS)
Berkeley County sits at 74 ft, and even a typical July afternoon (93 °F) only lifts density altitude to about 2,267 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 | 48.6 | −583 ft | 58.7 | 90 ft |
| February | 51.1 | −415 ft | 61.8 | 293 ft |
| March | 57.3 | −3 ft | 68.7 | 741 ft |
| April | 65.4 | 528 ft | 77.5 | 1,301 ft |
| May | 73.3 | 1,035 ft | 84.3 | 1,726 ft |
| June | 80.1 | 1,464 ft | 89.9 | 2,072 ft |
| July | 83.4 | 1,670 ft | 93.1 | 2,267 ft |
| August | 81.8 | 1,571 ft | 91.1 | 2,145 ft |
| September | 76.7 | 1,251 ft | 86.0 | 1,832 ft |
| October | 67.2 | 644 ft | 77.6 | 1,307 ft |
| November | 57.4 | 4 ft | 68.3 | 715 ft |
| December | 50.9 | −429 ft | 61.0 | 241 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 KMKS
DENSITY ALTITUDE
Field elevation 74 ft — the air behaves like 2,261 ft.
- PRESSURE ALT
- 75 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
- KDYB — Summerville
Summerville · elev 56 ft
- KCHS — Charleston AFB/International
Charleston · elev 46 ft
- 5J5 — Holly Hill
Holly Hill · elev 96 ft
- KLRO — Mt Pleasant Regional-Faison Field
Mount Pleasant · elev 12 ft
- 6J2 — St George
St George · elev 85 ft
- KMNI — Santee Cooper Regional
Manning · elev 103 ft
- KJZI — Charleston Exec
Charleston · elev 19 ft
- KPHH — Robert F Swinnie
Andrews · elev 26 ft
Frequently asked questions
How high does density altitude get at KMKS in summer?
On a typical July afternoon — around 93 °F at the nearest NOAA normals station — density altitude at Berkeley County reaches roughly 2,267 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 KMKS on an average day?
It swings with the seasons: from roughly −583 ft at the coldest month's average temperature to about 1,670 ft at the warmest month's — all from a constant field elevation of 74 ft. The month-by-month table above carries the full year.
What is the field elevation of Berkeley County?
74 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KMKS (ICAO) / MKS (FAA), in Moncks Corner, South Carolina.