Sweetwater, Texas · field elev 2,380 ft
Density Altitude at Avenger Field (KSWW)
From a field elevation of 2,380 ft, a typical July afternoon at Avenger Field (95 °F) raises density altitude to about 5,156 ft — solidly into the range where performance charts deserve a close read.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 43.2 | 1,913 ft | 55.5 | 2,725 ft |
| February | 47.3 | 2,186 ft | 60.3 | 3,036 ft |
| March | 55.1 | 2,699 ft | 68.7 | 3,571 ft |
| April | 63.8 | 3,260 ft | 77.8 | 4,139 ft |
| May | 72.3 | 3,797 ft | 84.8 | 4,567 ft |
| June | 79.5 | 4,243 ft | 91.1 | 4,947 ft |
| July | 83.0 | 4,458 ft | 94.6 | 5,156 ft ▲ |
| August | 82.0 | 4,397 ft | 93.5 | 5,091 ft ▲ |
| September | 74.5 | 3,934 ft | 85.7 | 4,622 ft |
| October | 64.5 | 3,304 ft | 76.5 | 4,058 ft |
| November | 52.9 | 2,555 ft | 64.8 | 3,324 ft |
| December | 44.9 | 2,026 ft | 56.8 | 2,810 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 KSWW
DENSITY ALTITUDE caution
Field elevation 2,380 ft — the air behaves like 5,180 ft.
- PRESSURE ALT
- 2,381 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 Texas fields
- 56F — Fisher County
Rotan/Roby · elev 1,941 ft
- T88 — Colorado City
Colorado City · elev 2,214 ft
- KSNK — Winston Field
Snyder · elev 2,430 ft
- 77F — Winters Municipal
Winters · elev 1,871 ft
- KABI — Abilene Regional
Abilene · elev 1,791 ft
- T60 — Stonewall County
Aspermont · elev 1,744 ft
- F56 — Arledge Field
Stamford · elev 1,561 ft
- 22F — Kent County
Jayton · elev 2,008 ft
Frequently asked questions
How high does density altitude get at KSWW in summer?
On a typical July afternoon — around 95 °F at the nearest NOAA normals station — density altitude at Avenger Field reaches roughly 5,156 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 KSWW on an average day?
It swings with the seasons: from roughly 1,913 ft at the coldest month's average temperature to about 4,458 ft at the warmest month's — all from a constant field elevation of 2,380 ft. The month-by-month table above carries the full year.
What is the field elevation of Avenger Field?
2,380 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KSWW (ICAO) / SWW (FAA), in Sweetwater, Texas.