Seward, Nebraska · field elev 1,506 ft
Density Altitude at Seward Municipal (KSWT)
Seward Municipal sits at 1,506 ft, and even a typical July afternoon (86 °F) only lifts density altitude to about 3,559 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 | 22.5 | −606 ft | 32.9 | 124 ft |
| February | 26.8 | −302 ft | 37.6 | 448 ft |
| March | 38.3 | 496 ft | 50.0 | 1,284 ft |
| April | 49.6 | 1,258 ft | 61.5 | 2,038 ft |
| May | 61.0 | 2,006 ft | 71.9 | 2,702 ft |
| June | 71.4 | 2,670 ft | 81.9 | 3,325 ft |
| July | 75.4 | 2,922 ft | 85.7 | 3,559 ft |
| August | 73.1 | 2,777 ft | 83.8 | 3,442 ft |
| September | 65.3 | 2,282 ft | 77.5 | 3,053 ft |
| October | 52.0 | 1,417 ft | 64.8 | 2,250 ft |
| November | 38.0 | 475 ft | 49.6 | 1,258 ft |
| December | 26.2 | −344 ft | 36.2 | 352 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 KSWT
DENSITY ALTITUDE
Field elevation 1,506 ft — the air behaves like 3,577 ft.
- PRESSURE ALT
- 1,507 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 Nebraska fields
- KLNK — Lincoln
Lincoln · elev 1,219 ft
- KCEK — Crete Municipal
Crete · elev 1,500 ft
- 93Y — David City Municipal
David City · elev 1,618 ft
- KJYR — York Municipal
York · elev 1,670 ft
- KFMZ — Fairmont State
Fairmont · elev 1,636 ft
- KAHQ — Wahoo Municipal
Wahoo · elev 1,226 ft
- KOLU — Columbus Municipal
Columbus · elev 1,447 ft
- KBIE — Beatrice Municipal
Beatrice · elev 1,324 ft
Frequently asked questions
How high does density altitude get at KSWT in summer?
On a typical July afternoon — around 86 °F at the nearest NOAA normals station — density altitude at Seward Municipal reaches roughly 3,559 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 KSWT on an average day?
It swings with the seasons: from roughly −606 ft at the coldest month's average temperature to about 2,922 ft at the warmest month's — all from a constant field elevation of 1,506 ft. The month-by-month table above carries the full year.
What is the field elevation of Seward Municipal?
1,506 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KSWT (ICAO) / SWT (FAA), in Seward, Nebraska.