Atlanta, Georgia · field elev 882 ft
Density Altitude at Atlanta Speedway (KHMP)
Atlanta Speedway sits at 882 ft, and even a typical July afternoon (90 °F) only lifts density altitude to about 3,049 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 | 45.0 | 176 ft | 55.6 | 884 ft |
| February | 47.7 | 358 ft | 59.0 | 1,107 ft |
| March | 55.5 | 877 ft | 66.8 | 1,612 ft |
| April | 62.1 | 1,309 ft | 74.1 | 2,076 ft |
| May | 70.2 | 1,829 ft | 81.2 | 2,521 ft |
| June | 76.6 | 2,234 ft | 87.3 | 2,897 ft |
| July | 79.4 | 2,409 ft | 89.8 | 3,049 ft |
| August | 78.2 | 2,334 ft | 88.5 | 2,970 ft |
| September | 73.7 | 2,051 ft | 83.9 | 2,688 ft |
| October | 63.6 | 1,406 ft | 75.0 | 2,133 ft |
| November | 54.0 | 778 ft | 65.8 | 1,548 ft |
| December | 47.2 | 324 ft | 58.0 | 1,041 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 KHMP
DENSITY ALTITUDE
Field elevation 882 ft — the air behaves like 3,061 ft.
- PRESSURE ALT
- 883 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 Georgia fields
- 6A2 — Griffin-Spalding County
Griffin · elev 958 ft
- KFFC — Atlanta Regional Falcon Field
Atlanta · elev 808 ft
- GA2 — Peach State Aerodrome
Williamson · elev 926 ft
- KATL — Hartsfield/Jackson Atlanta International
Atlanta · elev 1,026 ft
- KCCO — Newnan Coweta County
Atlanta · elev 970 ft
- KFTY — Fulton County Exec/Charlie Brown Field
Atlanta · elev 841 ft
- KOPN — Thomaston-Upson County
Thomaston · elev 798 ft
- KCVC — Covington Municipal
Atlanta · elev 820 ft
Frequently asked questions
How high does density altitude get at KHMP in summer?
On a typical July afternoon — around 90 °F at the nearest NOAA normals station — density altitude at Atlanta Speedway reaches roughly 3,049 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 KHMP on an average day?
It swings with the seasons: from roughly 176 ft at the coldest month's average temperature to about 2,409 ft at the warmest month's — all from a constant field elevation of 882 ft. The month-by-month table above carries the full year.
What is the field elevation of Atlanta Speedway?
882 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KHMP (ICAO) / HMP (FAA), in Atlanta, Georgia.