Winona, Minnesota · field elev 656 ft
Density Altitude at Winona Municipal/Max Conrad Field (KONA)
Winona Municipal/Max Conrad Field sits at 656 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 2,325 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 | 16.5 | −2,105 ft | 25.0 | −1,493 ft |
| February | 20.7 | −1,801 ft | 30.2 | −1,126 ft |
| March | 33.0 | −930 ft | 42.3 | −288 ft |
| April | 46.5 | −3 ft | 56.4 | 657 ft |
| May | 58.4 | 789 ft | 68.7 | 1,456 ft |
| June | 68.5 | 1,443 ft | 78.4 | 2,070 ft |
| July | 72.8 | 1,717 ft | 82.5 | 2,325 ft |
| August | 71.0 | 1,603 ft | 80.6 | 2,207 ft |
| September | 63.4 | 1,115 ft | 73.2 | 1,742 ft |
| October | 50.4 | 259 ft | 59.4 | 854 ft |
| November | 36.3 | −700 ft | 43.5 | −206 ft |
| December | 23.5 | −1,600 ft | 30.7 | −1,090 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 KONA
DENSITY ALTITUDE
Field elevation 656 ft — the air behaves like 2,356 ft.
- PRESSURE ALT
- 657 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 Minnesota fields
- 55Y — Rushford Municipal/Robert W Bunke Field
Rushford · elev 1,211 ft
- KCHU — Houston County
Caledonia · elev 1,179 ft
- KFKA — Fillmore County
Preston · elev 1,277 ft
- KRST — Rochester International
Rochester · elev 1,317 ft
- KRGK — Red Wing Regional
Red Wing · elev 778 ft
- KTOB — Dodge Center
Dodge Center · elev 1,304 ft
- KAUM — Austin Municipal
Austin · elev 1,234 ft
- KSYN — Stanton Airfield
Stanton · elev 920 ft
Frequently asked questions
How high does density altitude get at KONA in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Winona Municipal/Max Conrad Field reaches roughly 2,325 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 KONA on an average day?
It swings with the seasons: from roughly −2,105 ft at the coldest month's average temperature to about 1,717 ft at the warmest month's — all from a constant field elevation of 656 ft. The month-by-month table above carries the full year.
What is the field elevation of Winona Municipal/Max Conrad Field?
656 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KONA (ICAO) / ONA (FAA), in Winona, Minnesota.