Savannah, Tennessee · field elev 473 ft
Density Altitude at Savannah-Hardin County (KSNH)
Savannah-Hardin County sits at 473 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 2,643 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 | 40.7 | −625 ft | 51.1 | 79 ft |
| February | 44.4 | −372 ft | 55.7 | 385 ft |
| March | 52.6 | 179 ft | 64.9 | 986 ft |
| April | 61.5 | 766 ft | 73.9 | 1,562 ft |
| May | 70.0 | 1,314 ft | 81.3 | 2,027 ft |
| June | 77.4 | 1,783 ft | 88.2 | 2,453 ft |
| July | 80.7 | 1,990 ft | 91.3 | 2,643 ft |
| August | 79.7 | 1,927 ft | 90.9 | 2,618 ft |
| September | 73.5 | 1,537 ft | 85.6 | 2,294 ft |
| October | 62.5 | 831 ft | 75.8 | 1,683 ft |
| November | 51.7 | 119 ft | 63.9 | 922 ft |
| December | 43.7 | −420 ft | 54.0 | 272 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 KSNH
DENSITY ALTITUDE
Field elevation 473 ft — the air behaves like 2,625 ft.
- PRESSURE ALT
- 474 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 Tennessee fields
- KSZY — Robert Sibley
Selmer · elev 610 ft
- M29 — Hassell Field
Clifton · elev 407 ft
- KPVE — Beech River Regional
Lexington-Parsons · elev 488 ft
- M15 — James Tucker
Linden · elev 740 ft
- 0M3 — Paul Bridges Field
Hohenwald · elev 972 ft
- M08 — William L Whitehurst Field
Bolivar · elev 499 ft
- KMKL — Jackson Regional
Jackson · elev 435 ft
- 2M2 — Lawrenceburg/Lawrence County (Fleeman Field)
Lawrenceburg · elev 937 ft
Frequently asked questions
How high does density altitude get at KSNH in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Savannah-Hardin County reaches roughly 2,643 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 KSNH on an average day?
It swings with the seasons: from roughly −625 ft at the coldest month's average temperature to about 1,990 ft at the warmest month's — all from a constant field elevation of 473 ft. The month-by-month table above carries the full year.
What is the field elevation of Savannah-Hardin County?
473 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KSNH (ICAO) / SNH (FAA), in Savannah, Tennessee.