Windom, Minnesota · field elev 1,411 ft
Density Altitude at Windom Municipal (KMWM)
Windom Municipal sits at 1,411 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 3,357 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 | 16.7 | −1,141 ft | 25.3 | −526 ft |
| February | 21.0 | −832 ft | 30.3 | −175 ft |
| March | 33.3 | 33 ft | 42.7 | 677 ft |
| April | 46.8 | 953 ft | 58.0 | 1,694 ft |
| May | 59.4 | 1,785 ft | 70.5 | 2,497 ft |
| June | 70.0 | 2,465 ft | 80.5 | 3,123 ft |
| July | 73.8 | 2,705 ft | 84.3 | 3,357 ft |
| August | 71.0 | 2,529 ft | 81.4 | 3,179 ft |
| September | 63.5 | 2,050 ft | 75.0 | 2,780 ft |
| October | 49.6 | 1,140 ft | 60.7 | 1,869 ft |
| November | 34.5 | 117 ft | 43.6 | 738 ft |
| December | 22.1 | −754 ft | 30.4 | −168 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 KMWM
DENSITY ALTITUDE
Field elevation 1,411 ft — the air behaves like 3,339 ft.
- PRESSURE ALT
- 1,412 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
- KMJQ — Jackson Municipal
Jackson · elev 1,446 ft
- D42 — Springfield Municipal
Springfield · elev 1,073 ft
- KJYG — St James Municipal
St James · elev 1,068 ft
- KOTG — Worthington Municipal
Worthington · elev 1,574 ft
- Y58 — Sleepy Eye Municipal
Sleepy Eye · elev 1,006 ft
- KDVP — Slayton Municipal
Slayton · elev 1,623 ft
- KTKC — Tracy Municipal
Tracy · elev 1,336 ft
- KFRM — Fairmont Municipal
Fairmont · elev 1,162 ft
Frequently asked questions
How high does density altitude get at KMWM in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Windom Municipal reaches roughly 3,357 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 KMWM on an average day?
It swings with the seasons: from roughly −1,141 ft at the coldest month's average temperature to about 2,705 ft at the warmest month's — all from a constant field elevation of 1,411 ft. The month-by-month table above carries the full year.
What is the field elevation of Windom Municipal?
1,411 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KMWM (ICAO) / MWM (FAA), in Windom, Minnesota.