Thomson, Georgia · field elev 501 ft
Density Altitude at Thomson/Mcduffie County (KHQU)
Thomson/Mcduffie County sits at 501 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 2,683 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 | 45.7 | −250 ft | 56.7 | 485 ft |
| February | 47.8 | −108 ft | 59.4 | 663 ft |
| March | 54.8 | 360 ft | 66.9 | 1,150 ft |
| April | 63.4 | 924 ft | 75.6 | 1,704 ft |
| May | 70.9 | 1,406 ft | 82.6 | 2,142 ft |
| June | 77.8 | 1,843 ft | 88.8 | 2,524 ft |
| July | 80.9 | 2,036 ft | 91.4 | 2,683 ft |
| August | 79.6 | 1,955 ft | 90.0 | 2,598 ft |
| September | 74.8 | 1,654 ft | 85.5 | 2,322 ft |
| October | 65.0 | 1,027 ft | 77.0 | 1,792 ft |
| November | 54.3 | 327 ft | 66.6 | 1,131 ft |
| December | 47.9 | −101 ft | 58.8 | 624 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 KHQU
DENSITY ALTITUDE
Field elevation 501 ft — the air behaves like 2,659 ft.
- PRESSURE ALT
- 502 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
- 65J — Wrens Meml
Wrens · elev 450 ft
- KIIY — Washington/Wilkes County
Washington · elev 646 ft
- KDNL — Daniel Field
Augusta · elev 422 ft
- KAGS — Augusta Regional At Bush Field
Augusta · elev 146 ft
- KCPP — Greene County Regional
Greensboro · elev 689 ft
- 2J3 — Louisville Municipal
Louisville · elev 328 ft
- KEBA — Elbert County-Patz Field
Elberton · elev 615 ft
- KOKZ — Kaolin Field
Sandersville · elev 439 ft
Frequently asked questions
How high does density altitude get at KHQU in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Thomson/Mcduffie County reaches roughly 2,683 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 KHQU on an average day?
It swings with the seasons: from roughly −250 ft at the coldest month's average temperature to about 2,036 ft at the warmest month's — all from a constant field elevation of 501 ft. The month-by-month table above carries the full year.
What is the field elevation of Thomson/Mcduffie County?
501 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KHQU (ICAO) / HQU (FAA), in Thomson, Georgia.