Jennings, Louisiana · field elev 23 ft
Density Altitude at Jennings (3R7)
Jennings sits at 23 ft, and even a typical August afternoon (91 °F) only lifts density altitude to about 2,077 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 | 50.9 | −492 ft | 60.1 | 119 ft |
| February | 54.5 | −251 ft | 63.9 | 367 ft |
| March | 61.1 | 185 ft | 70.7 | 806 ft |
| April | 67.5 | 601 ft | 77.1 | 1,213 ft |
| May | 74.8 | 1,068 ft | 83.7 | 1,627 ft |
| June | 80.3 | 1,415 ft | 88.5 | 1,923 ft |
| July | 81.9 | 1,515 ft | 90.2 | 2,028 ft |
| August | 82.1 | 1,527 ft | 91.0 | 2,077 ft |
| September | 78.3 | 1,289 ft | 87.7 | 1,874 ft |
| October | 69.5 | 729 ft | 80.4 | 1,421 ft |
| November | 59.7 | 93 ft | 70.2 | 774 ft |
| December | 53.1 | −345 ft | 62.5 | 276 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 3R7
DENSITY ALTITUDE
Field elevation 23 ft — the air behaves like 2,077 ft.
- PRESSURE ALT
- 24 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 Louisiana fields
- 6R1 — Welsh
Welsh · elev 18 ft
- 3R2 — Le Gros Meml
Crowley · elev 14 ft
- 4R7 — Eunice
Eunice · elev 42 ft
- KCWF — Chennault International
Lake Charles · elev 17 ft
- KLCH — Lake Charles Regional
Lake Charles · elev 15 ft
- KACP — Allen Parish
Oakdale · elev 107 ft
- KIYA — Abbeville Chris Crusta Meml
Abbeville · elev 16 ft
- KOPL — St Landry Parish
Opelousas · elev 74 ft
Frequently asked questions
How high does density altitude get at 3R7 in summer?
On a typical August afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Jennings reaches roughly 2,077 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 3R7 on an average day?
It swings with the seasons: from roughly −492 ft at the coldest month's average temperature to about 1,527 ft at the warmest month's — all from a constant field elevation of 23 ft. The month-by-month table above carries the full year.
What is the field elevation of Jennings?
23 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 3R7 (FAA), in Jennings, Louisiana.