Jonesboro, Louisiana · field elev 256 ft
Density Altitude at Jonesboro (F88)
Jonesboro sits at 256 ft, and even a typical August afternoon (93 °F) only lifts density altitude to about 2,507 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 | 46.7 | −486 ft | 57.5 | 236 ft |
| February | 50.3 | −243 ft | 61.3 | 485 ft |
| March | 57.7 | 249 ft | 69.6 | 1,022 ft |
| April | 64.7 | 706 ft | 76.8 | 1,480 ft |
| May | 72.5 | 1,207 ft | 83.7 | 1,911 ft |
| June | 79.4 | 1,643 ft | 90.0 | 2,299 ft |
| July | 82.4 | 1,830 ft | 93.1 | 2,488 ft |
| August | 82.1 | 1,812 ft | 93.4 | 2,507 ft |
| September | 76.9 | 1,486 ft | 88.7 | 2,220 ft |
| October | 65.8 | 778 ft | 78.4 | 1,580 ft |
| November | 55.3 | 90 ft | 67.2 | 868 ft |
| December | 48.2 | −385 ft | 58.9 | 328 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 F88
DENSITY ALTITUDE
Field elevation 256 ft — the air behaves like 2,482 ft.
- PRESSURE ALT
- 257 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
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Frequently asked questions
How high does density altitude get at F88 in summer?
On a typical August afternoon — around 93 °F at the nearest NOAA normals station — density altitude at Jonesboro reaches roughly 2,507 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 F88 on an average day?
It swings with the seasons: from roughly −486 ft at the coldest month's average temperature to about 1,830 ft at the warmest month's — all from a constant field elevation of 256 ft. The month-by-month table above carries the full year.
What is the field elevation of Jonesboro?
256 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is F88 (FAA), in Jonesboro, Louisiana.