Benton, Illinois · field elev 444 ft
Density Altitude at Benton Municipal (H96)
Benton Municipal sits at 444 ft, and even a typical July afternoon (88 °F) only lifts density altitude to about 2,418 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 | 32.6 | −1,222 ft | 40.7 | −661 ft |
| February | 36.2 | −971 ft | 44.4 | −409 ft |
| March | 46.0 | −300 ft | 55.4 | 329 ft |
| April | 56.7 | 415 ft | 67.1 | 1,093 ft |
| May | 65.9 | 1,015 ft | 76.2 | 1,672 ft |
| June | 74.5 | 1,565 ft | 84.7 | 2,203 ft |
| July | 78.1 | 1,792 ft | 88.2 | 2,418 ft |
| August | 76.6 | 1,697 ft | 87.4 | 2,369 ft |
| September | 69.1 | 1,221 ft | 80.5 | 1,942 ft |
| October | 57.5 | 468 ft | 68.4 | 1,176 ft |
| November | 45.8 | −314 ft | 55.1 | 309 ft |
| December | 36.1 | −978 ft | 43.8 | −449 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 H96
DENSITY ALTITUDE
Field elevation 444 ft — the air behaves like 2,406 ft.
- PRESSURE ALT
- 445 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
- KMWA — Veterans Airport Of Southern Illinois
Marion · elev 472 ft
- KMVN — Mount Vernon
Mount Vernon · elev 480 ft
- KPJY — Pinckneyville/Du Quoin
Pinckneyville · elev 400 ft
- KMDH — Southern Illinois
Carbondale/Murphysboro · elev 411 ft
- KHSB — Harrisburg-Raleigh
Harrisburg · elev 398 ft
- KENL — Centralia Municipal
Centralia · elev 534 ft
- KFWC — Fairfield Municipal
Fairfield · elev 434 ft
- KSAR — Sparta Community-Hunter Field
Sparta · elev 538 ft
Frequently asked questions
How high does density altitude get at H96 in summer?
On a typical July afternoon — around 88 °F at the nearest NOAA normals station — density altitude at Benton Municipal reaches roughly 2,418 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 H96 on an average day?
It swings with the seasons: from roughly −1,222 ft at the coldest month's average temperature to about 1,792 ft at the warmest month's — all from a constant field elevation of 444 ft. The month-by-month table above carries the full year.
What is the field elevation of Benton Municipal?
444 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is H96 (FAA), in Benton, Illinois.