Winona, Mississippi · field elev 364 ft
Density Altitude at Winona-Montgomery County (5A6)
Winona-Montgomery County sits at 364 ft, and even a typical August afternoon (90 °F) only lifts density altitude to about 2,406 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 | 40.9 | −747 ft | 52.6 | 44 ft |
| February | 44.5 | −501 ft | 57.1 | 343 ft |
| March | 51.9 | −2 ft | 65.3 | 878 ft |
| April | 59.4 | 494 ft | 72.7 | 1,353 ft |
| May | 67.7 | 1,033 ft | 79.9 | 1,807 ft |
| June | 75.3 | 1,517 ft | 86.7 | 2,228 ft |
| July | 78.3 | 1,706 ft | 89.3 | 2,388 ft |
| August | 77.8 | 1,675 ft | 89.6 | 2,406 ft |
| September | 72.4 | 1,334 ft | 85.3 | 2,142 ft |
| October | 61.2 | 612 ft | 75.2 | 1,511 ft |
| November | 50.1 | −123 ft | 63.7 | 774 ft |
| December | 43.6 | −562 ft | 55.3 | 224 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 5A6
DENSITY ALTITUDE
Field elevation 364 ft — the air behaves like 2,431 ft.
- PRESSURE ALT
- 365 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
- KGWO — Greenwood-Leflore
Greenwood · elev 162 ft
- 06M — Eupora
Eupora · elev 450 ft
- KGNF — Grenada Municipal
Grenada · elev 208 ft
- KOSX — Kosciusko-Attala County
Kosciusko · elev 494 ft
- 19M — C A Moore
Lexington · elev 340 ft
- 9M4 — Ackerman Choctaw County
Ackerman · elev 552 ft
- 04M — Calhoun County
Pittsboro · elev 387 ft
- 09M — Charleston Municipal
Charleston · elev 175 ft
Frequently asked questions
How high does density altitude get at 5A6 in summer?
On a typical August afternoon — around 90 °F at the nearest NOAA normals station — density altitude at Winona-Montgomery County reaches roughly 2,406 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 5A6 on an average day?
It swings with the seasons: from roughly −747 ft at the coldest month's average temperature to about 1,706 ft at the warmest month's — all from a constant field elevation of 364 ft. The month-by-month table above carries the full year.
What is the field elevation of Winona-Montgomery County?
364 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 5A6 (FAA), in Winona, Mississippi.