Le Sueur, Minnesota · field elev 868 ft
Density Altitude at Le Sueur Municipal (12Y)
Le Sueur Municipal sits at 868 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,547 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 | 12.5 | −2,131 ft | 21.9 | −1,449 ft |
| February | 16.8 | −1,817 ft | 26.7 | −1,107 ft |
| March | 30.3 | −854 ft | 39.9 | −188 ft |
| April | 43.9 | 84 ft | 54.8 | 814 ft |
| May | 57.0 | 958 ft | 67.8 | 1,659 ft |
| June | 67.4 | 1,633 ft | 77.8 | 2,292 ft |
| July | 71.5 | 1,895 ft | 81.9 | 2,547 ft |
| August | 69.1 | 1,742 ft | 79.4 | 2,391 ft |
| September | 60.4 | 1,181 ft | 72.2 | 1,939 ft |
| October | 46.8 | 280 ft | 58.2 | 1,037 ft |
| November | 32.2 | −721 ft | 41.8 | −59 ft |
| December | 19.2 | −1,643 ft | 27.5 | −1,051 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 12Y
DENSITY ALTITUDE
Field elevation 868 ft — the air behaves like 2,553 ft.
- PRESSURE ALT
- 869 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
- KMKT — Mankato Regional
Mankato · elev 1,021 ft
- KGYL — Glencoe Municipal
Glencoe · elev 993 ft
- KULM — New Ulm Municipal
New Ulm · elev 1,011 ft
- KFBL — Faribault Municipal-Liz Wall Strohfus Field
Faribault · elev 1,060 ft
- KACQ — Waseca Municipal/Maynard Richard Stensrud Field
Waseca · elev 1,127 ft
- KFCM — Flying Cloud
Minneapolis · elev 906 ft
- 10D — Winsted Municipal
Winsted · elev 1,030 ft
- KLVN — Airlake
Minneapolis · elev 960 ft
Frequently asked questions
How high does density altitude get at 12Y in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Le Sueur Municipal reaches roughly 2,547 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 12Y on an average day?
It swings with the seasons: from roughly −2,131 ft at the coldest month's average temperature to about 1,895 ft at the warmest month's — all from a constant field elevation of 868 ft. The month-by-month table above carries the full year.
What is the field elevation of Le Sueur Municipal?
868 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 12Y (FAA), in Le Sueur, Minnesota.