Richton, Mississippi · field elev 167 ft
Density Altitude at Richton-Perry County (M59)
Richton-Perry County sits at 167 ft, and even a typical August afternoon (94 °F) only lifts density altitude to about 2,417 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 | 48.6 | −468 ft | 61.5 | 388 ft |
| February | 52.4 | −213 ft | 65.7 | 662 ft |
| March | 59.0 | 224 ft | 72.8 | 1,117 ft |
| April | 65.6 | 655 ft | 79.6 | 1,547 ft |
| May | 73.5 | 1,162 ft | 86.8 | 1,994 ft |
| June | 80.1 | 1,578 ft | 91.9 | 2,307 ft |
| July | 82.1 | 1,703 ft | 93.5 | 2,404 ft |
| August | 81.9 | 1,691 ft | 93.7 | 2,417 ft |
| September | 77.7 | 1,427 ft | 90.3 | 2,209 ft |
| October | 67.4 | 771 ft | 81.8 | 1,684 ft |
| November | 56.8 | 79 ft | 71.2 | 1,015 ft |
| December | 50.8 | −320 ft | 63.7 | 532 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 M59
DENSITY ALTITUDE
Field elevation 167 ft — the air behaves like 2,435 ft.
- PRESSURE ALT
- 168 ft
- ISA DEVIATION
- —
- RULE-OF-THUMB DA
- —
- AIR DENSITY INDEX
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- AIR DENSITY
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- WATER · GRAINS/LB
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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
- KHBG — Hattiesburg Bobby L Chain Municipal
Hattiesburg · elev 151 ft
- KPIB — Hattiesburg/Laurel Regional
Hattiesburg-Laurel · elev 298 ft
- KLUL — Hesler/Noble Field
Laurel · elev 238 ft
- 2R0 — Waynesboro Municipal
Waynesboro · elev 169 ft
- M24 — Dean Griffin Meml
Wiggins · elev 273 ft
- 4R1 — I H Bass Jr Meml
Lumberton · elev 310 ft
- 00M — Thigpen Field
Bay Springs · elev 351 ft
- M13 — Poplarville/Pearl River County
Poplarville · elev 319 ft
Frequently asked questions
How high does density altitude get at M59 in summer?
On a typical August afternoon — around 94 °F at the nearest NOAA normals station — density altitude at Richton-Perry County reaches roughly 2,417 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 M59 on an average day?
It swings with the seasons: from roughly −468 ft at the coldest month's average temperature to about 1,703 ft at the warmest month's — all from a constant field elevation of 167 ft. The month-by-month table above carries the full year.
What is the field elevation of Richton-Perry County?
167 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is M59 (FAA), in Richton, Mississippi.