Louisville, Mississippi · field elev 575 ft
Density Altitude at Louisville/Winston County (KLMS)
Louisville/Winston County sits at 575 ft, and even a typical July afternoon (92 °F) only lifts density altitude to about 2,779 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 | 44.4 | −246 ft | 55.0 | 465 ft |
| February | 48.0 | −2 ft | 58.9 | 721 ft |
| March | 55.7 | 511 ft | 67.8 | 1,299 ft |
| April | 63.0 | 989 ft | 75.0 | 1,757 ft |
| May | 71.4 | 1,529 ft | 82.5 | 2,226 ft |
| June | 78.2 | 1,958 ft | 89.0 | 2,627 ft |
| July | 81.0 | 2,133 ft | 91.5 | 2,779 ft |
| August | 80.5 | 2,102 ft | 91.0 | 2,749 ft |
| September | 75.2 | 1,770 ft | 86.2 | 2,455 ft |
| October | 64.5 | 1,086 ft | 76.5 | 1,852 ft |
| November | 53.5 | 365 ft | 64.8 | 1,105 ft |
| December | 46.5 | −104 ft | 56.8 | 583 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 KLMS
DENSITY ALTITUDE
Field elevation 575 ft — the air behaves like 2,809 ft.
- PRESSURE ALT
- 576 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 Mississippi fields
- 9M4 — Ackerman Choctaw County
Ackerman · elev 552 ft
- KSTF — George M Bryan
Starkville · elev 333 ft
- KMPE — Philadelphia Municipal
Philadelphia · elev 458 ft
- KOSX — Kosciusko-Attala County
Kosciusko · elev 494 ft
- 20M — Macon Municipal
Macon · elev 238 ft
- 06M — Eupora
Eupora · elev 450 ft
- M51 — Oktibbeha
Starkville · elev 250 ft
- KGTR — Golden Triangle Regional
Columbus/W Point/Starkville · elev 264 ft
Frequently asked questions
How high does density altitude get at KLMS in summer?
On a typical July afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Louisville/Winston County reaches roughly 2,779 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 KLMS on an average day?
It swings with the seasons: from roughly −246 ft at the coldest month's average temperature to about 2,133 ft at the warmest month's — all from a constant field elevation of 575 ft. The month-by-month table above carries the full year.
What is the field elevation of Louisville/Winston County?
575 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KLMS (ICAO) / LMS (FAA), in Louisville, Mississippi.