Holly Springs, Mississippi · field elev 551 ft
Density Altitude at Holly Springs-Marshall County (M41)
Holly Springs-Marshall County sits at 551 ft, and even a typical August afternoon (89 °F) only lifts density altitude to about 2,579 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 | 39.7 | −597 ft | 50.3 | 122 ft |
| February | 43.3 | −350 ft | 54.8 | 422 ft |
| March | 51.2 | 182 ft | 63.6 | 998 ft |
| April | 60.1 | 770 ft | 73.1 | 1,607 ft |
| May | 67.9 | 1,276 ft | 79.5 | 2,010 ft |
| June | 74.7 | 1,709 ft | 85.7 | 2,395 ft |
| July | 77.9 | 1,910 ft | 88.6 | 2,573 ft |
| August | 77.4 | 1,879 ft | 88.7 | 2,579 ft |
| September | 71.0 | 1,474 ft | 83.4 | 2,253 ft |
| October | 60.2 | 777 ft | 73.2 | 1,614 ft |
| November | 49.2 | 48 ft | 61.6 | 868 ft |
| December | 42.5 | −405 ft | 52.8 | 289 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 M41
DENSITY ALTITUDE
Field elevation 551 ft — the air behaves like 2,597 ft.
- PRESSURE ALT
- 552 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 Mississippi fields
- KOLV — Olive Branch/Taylor Field
Olive Branch · elev 402 ft
- MS9 — Eagles Ridge
Hernando · elev 262 ft
- KUOX — University-Oxford
Oxford · elev 452 ft
- H75 — Hernando Village Airpark
Hernando · elev 242 ft
- 25M — Ripley
Ripley · elev 467 ft
- M72 — New Albany/Union County
New Albany · elev 413 ft
- KPMU — Panola County
Batesville · elev 221 ft
- 33M — Water Valley Municipal
Water Valley · elev 270 ft
Frequently asked questions
How high does density altitude get at M41 in summer?
On a typical August afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Holly Springs-Marshall County reaches roughly 2,579 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 M41 on an average day?
It swings with the seasons: from roughly −597 ft at the coldest month's average temperature to about 1,910 ft at the warmest month's — all from a constant field elevation of 551 ft. The month-by-month table above carries the full year.
What is the field elevation of Holly Springs-Marshall County?
551 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is M41 (FAA), in Holly Springs, Mississippi.