Lawrenceville, Illinois · field elev 430 ft
Density Altitude at Lawrenceville-Vincennes International (KLWV)
Lawrenceville-Vincennes International sits at 430 ft, and even a typical July afternoon (88 °F) only lifts density altitude to about 2,364 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 | 31.1 | −1,345 ft | 39.4 | −768 ft |
| February | 35.4 | −1,044 ft | 44.2 | −440 ft |
| March | 44.8 | −399 ft | 55.1 | 292 ft |
| April | 56.1 | 358 ft | 67.3 | 1,088 ft |
| May | 66.4 | 1,030 ft | 76.8 | 1,693 ft |
| June | 74.7 | 1,560 ft | 85.3 | 2,223 ft |
| July | 77.4 | 1,731 ft | 87.6 | 2,364 ft |
| August | 76.0 | 1,642 ft | 86.8 | 2,315 ft |
| September | 69.2 | 1,210 ft | 81.6 | 1,993 ft |
| October | 57.6 | 457 ft | 69.4 | 1,223 ft |
| November | 44.8 | −399 ft | 54.6 | 259 ft |
| December | 35.4 | −1,044 ft | 43.4 | −494 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 KLWV
DENSITY ALTITUDE
Field elevation 430 ft — the air behaves like 2,389 ft.
- PRESSURE ALT
- 431 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 Illinois fields
- KAJG — Mount Carmel Municipal
Mount Carmel · elev 429 ft
- KRSV — Crawford County
Robinson · elev 461 ft
- KOLY — Olney-Noble
Olney-Noble · elev 482 ft
- 1H8 — Casey Municipal
Casey · elev 655 ft
- KFOA — Flora Municipal
Flora · elev 473 ft
- KFWC — Fairfield Municipal
Fairfield · elev 434 ft
- 2T2 — Percival Springs
Watson · elev 552 ft
- 1H2 — Effingham County Regional
Effingham · elev 585 ft
Frequently asked questions
How high does density altitude get at KLWV in summer?
On a typical July afternoon — around 88 °F at the nearest NOAA normals station — density altitude at Lawrenceville-Vincennes International reaches roughly 2,364 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 KLWV on an average day?
It swings with the seasons: from roughly −1,345 ft at the coldest month's average temperature to about 1,731 ft at the warmest month's — all from a constant field elevation of 430 ft. The month-by-month table above carries the full year.
What is the field elevation of Lawrenceville-Vincennes International?
430 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KLWV (ICAO) / LWV (FAA), in Lawrenceville, Illinois.