Sac City, Iowa · field elev 1,250 ft
Density Altitude at Sac City Municipal (KSKI)
Sac City Municipal sits at 1,250 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 3,093 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 | 17.1 | −1,315 ft | 26.4 | −650 ft |
| February | 21.5 | −998 ft | 31.1 | −320 ft |
| March | 34.0 | −119 ft | 44.4 | 592 ft |
| April | 46.7 | 747 ft | 58.9 | 1,554 ft |
| May | 58.5 | 1,528 ft | 70.1 | 2,274 ft |
| June | 69.0 | 2,204 ft | 80.1 | 2,902 ft |
| July | 72.5 | 2,426 ft | 83.2 | 3,093 ft |
| August | 69.9 | 2,262 ft | 80.9 | 2,951 ft |
| September | 62.4 | 1,781 ft | 75.1 | 2,590 ft |
| October | 49.5 | 934 ft | 61.8 | 1,742 ft |
| November | 34.7 | −70 ft | 45.1 | 639 ft |
| December | 22.9 | −898 ft | 31.7 | −279 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 KSKI
DENSITY ALTITUDE
Field elevation 1,250 ft — the air behaves like 3,081 ft.
- PRESSURE ALT
- 1,251 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 Iowa fields
- 2Y4 — Rockwell City Municipal
Rockwell City · elev 1,216 ft
- KSLB — Storm Lake Municipal
Storm Lake · elev 1,488 ft
- KIDG — Ida Grove Municipal
Ida Grove · elev 1,245 ft
- KCIN — Arthur N Neu
Carroll · elev 1,204 ft
- KPOH — Pocahontas Municipal
Pocahontas · elev 1,226 ft
- KDNS — Denison Municipal
Denison · elev 1,274 ft
- KCKP — Cherokee County Regional
Cherokee · elev 1,227 ft
- KEFW — Jefferson Municipal
Jefferson · elev 1,047 ft
Frequently asked questions
How high does density altitude get at KSKI in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Sac City Municipal reaches roughly 3,093 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 KSKI on an average day?
It swings with the seasons: from roughly −1,315 ft at the coldest month's average temperature to about 2,426 ft at the warmest month's — all from a constant field elevation of 1,250 ft. The month-by-month table above carries the full year.
What is the field elevation of Sac City Municipal?
1,250 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KSKI (ICAO) / SKI (FAA), in Sac City, Iowa.