Winnsboro, Louisiana · field elev 78 ft
Density Altitude at Winnsboro Municipal (F89)
Winnsboro Municipal sits at 78 ft, and even a typical August afternoon (95 °F) only lifts density altitude to about 2,375 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 | 46.7 | −707 ft | 57.5 | 16 ft |
| February | 50.7 | −437 ft | 61.3 | 265 ft |
| March | 57.9 | 42 ft | 69.3 | 784 ft |
| April | 65.8 | 558 ft | 77.4 | 1,300 ft |
| May | 74.5 | 1,116 ft | 85.5 | 1,805 ft |
| June | 80.4 | 1,488 ft | 91.6 | 2,180 ft |
| July | 83.1 | 1,657 ft | 94.4 | 2,351 ft |
| August | 82.8 | 1,638 ft | 94.8 | 2,375 ft |
| September | 77.6 | 1,312 ft | 89.9 | 2,076 ft |
| October | 67.1 | 642 ft | 80.4 | 1,488 ft |
| November | 56.0 | −84 ft | 69.0 | 765 ft |
| December | 49.0 | −552 ft | 59.7 | 161 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 F89
DENSITY ALTITUDE
Field elevation 78 ft — the air behaves like 2,387 ft.
- PRESSURE ALT
- 79 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 Louisiana fields
- F86 — Caldwell Parish
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- 0M9 — Delhi Municipal
Delhi · elev 91 ft
- M79 — John H Hooks Jr Meml
Rayville · elev 83 ft
- L33 — Tensas Parish
St Joseph · elev 74 ft
- KMLU — Monroe Regional
Monroe · elev 79 ft
- M80 — Scott
Tallulah · elev 86 ft
- L32 — Jonesville
Jonesville · elev 56 ft
- KTVR — Vicksburg Tallulah Regional
Tallulah · elev 86 ft
Frequently asked questions
How high does density altitude get at F89 in summer?
On a typical August afternoon — around 95 °F at the nearest NOAA normals station — density altitude at Winnsboro Municipal reaches roughly 2,375 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 F89 on an average day?
It swings with the seasons: from roughly −707 ft at the coldest month's average temperature to about 1,657 ft at the warmest month's — all from a constant field elevation of 78 ft. The month-by-month table above carries the full year.
What is the field elevation of Winnsboro Municipal?
78 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is F89 (FAA), in Winnsboro, Louisiana.