Georgetown, South Carolina · field elev 40 ft
Density Altitude at Georgetown County (KGGE)
Georgetown County sits at 40 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 2,104 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 | 47.8 | −680 ft | 58.6 | 41 ft |
| February | 50.2 | −518 ft | 61.5 | 232 ft |
| March | 55.8 | −144 ft | 67.5 | 622 ft |
| April | 64.4 | 421 ft | 76.2 | 1,177 ft |
| May | 71.8 | 898 ft | 82.4 | 1,567 ft |
| June | 78.3 | 1,310 ft | 88.0 | 1,913 ft |
| July | 81.8 | 1,529 ft | 91.1 | 2,104 ft |
| August | 81.1 | 1,485 ft | 90.0 | 2,036 ft |
| September | 76.4 | 1,190 ft | 85.7 | 1,771 ft |
| October | 66.6 | 563 ft | 77.6 | 1,266 ft |
| November | 56.5 | −97 ft | 68.1 | 660 ft |
| December | 50.1 | −525 ft | 60.4 | 160 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 KGGE
DENSITY ALTITUDE
Field elevation 40 ft — the air behaves like 2,097 ft.
- PRESSURE ALT
- 41 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
- KPHH — Robert F Swinnie
Andrews · elev 26 ft
- KMYR — Myrtle Beach International
Myrtle Beach · elev 25 ft
- KHYW — Conway-Horry County
Conway · elev 35 ft
- KLRO — Mt Pleasant Regional-Faison Field
Mount Pleasant · elev 12 ft
- KCKI — Williamsburg Regional
Kingstree · elev 67 ft
- KMKS — Berkeley County
Moncks Corner · elev 74 ft
- 51J — Lake City Municipal Cj Evans Field
Lake City · elev 80 ft
- KCRE — Grand Strand
North Myrtle Beach · elev 32 ft
Frequently asked questions
How high does density altitude get at KGGE in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Georgetown County reaches roughly 2,104 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 KGGE on an average day?
It swings with the seasons: from roughly −680 ft at the coldest month's average temperature to about 1,529 ft at the warmest month's — all from a constant field elevation of 40 ft. The month-by-month table above carries the full year.
What is the field elevation of Georgetown County?
40 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KGGE (ICAO) / GGE (FAA), in Georgetown, South Carolina.