Cuthbert, Georgia · field elev 460 ft
Density Altitude at Randolph County (25J)
Randolph County sits at 460 ft, and even a typical July afternoon (92 °F) only lifts density altitude to about 2,639 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 | 47.5 | −179 ft | 60.1 | 658 ft |
| February | 50.4 | 16 ft | 64.0 | 912 ft |
| March | 56.9 | 448 ft | 70.8 | 1,349 ft |
| April | 63.9 | 906 ft | 77.8 | 1,792 ft |
| May | 71.9 | 1,420 ft | 85.0 | 2,241 ft |
| June | 78.3 | 1,824 ft | 89.8 | 2,536 ft |
| July | 80.6 | 1,968 ft | 91.5 | 2,639 ft |
| August | 80.0 | 1,930 ft | 90.8 | 2,597 ft |
| September | 75.9 | 1,673 ft | 87.3 | 2,382 ft |
| October | 66.1 | 1,048 ft | 78.8 | 1,855 ft |
| November | 55.9 | 382 ft | 69.3 | 1,254 ft |
| December | 49.4 | −51 ft | 61.6 | 756 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 25J
DENSITY ALTITUDE
Field elevation 460 ft — the air behaves like 2,670 ft.
- PRESSURE ALT
- 461 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 Georgia fields
- KBIJ — Early County
Blakely · elev 215 ft
- 16J — Dawson Municipal
Dawson · elev 332 ft
- KABY — Southwest Georgia Regional
Albany · elev 196 ft
- 82A — Marion County
Buena Vista · elev 682 ft
- KACJ — Jimmy Carter Regional
Americus · elev 468 ft
- 17J — Donalsonville Municipal
Donalsonville · elev 147 ft
- KCXU — Camilla-Mitchell County
Camilla · elev 176 ft
- KBGE — Decatur County Industrial Air Park
Bainbridge · elev 141 ft
Frequently asked questions
How high does density altitude get at 25J in summer?
On a typical July afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Randolph County reaches roughly 2,639 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 25J on an average day?
It swings with the seasons: from roughly −179 ft at the coldest month's average temperature to about 1,968 ft at the warmest month's — all from a constant field elevation of 460 ft. The month-by-month table above carries the full year.
What is the field elevation of Randolph County?
460 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 25J (FAA), in Cuthbert, Georgia.