Junction City, Kansas · field elev 1,102 ft
Density Altitude at Freeman Field (3JC)
Freeman Field sits at 1,102 ft, and even a typical July afternoon (89 °F) only lifts density altitude to about 3,280 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 | 29.2 | −638 ft | 39.2 | 55 ft |
| February | 33.1 | −366 ft | 43.8 | 368 ft |
| March | 43.9 | 375 ft | 55.1 | 1,122 ft |
| April | 53.6 | 1,023 ft | 65.1 | 1,773 ft |
| May | 64.1 | 1,709 ft | 74.3 | 2,358 ft |
| June | 74.2 | 2,352 ft | 84.2 | 2,974 ft |
| July | 79.0 | 2,653 ft | 89.2 | 3,280 ft |
| August | 77.0 | 2,528 ft | 87.6 | 3,183 ft |
| September | 69.0 | 2,023 ft | 80.1 | 2,721 ft |
| October | 56.6 | 1,221 ft | 68.1 | 1,965 ft |
| November | 43.4 | 341 ft | 54.0 | 1,050 ft |
| December | 32.8 | −387 ft | 42.4 | 273 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 3JC
DENSITY ALTITUDE
Field elevation 1,102 ft — the air behaves like 3,268 ft.
- PRESSURE ALT
- 1,103 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 Kansas fields
- KMHK — Manhattan Regional
Manhattan · elev 1,066 ft
- K78 — Abilene Municipal
Abilene · elev 1,153 ft
- KHRU — Herington Regional
Herington · elev 1,481 ft
- KCYW — Clay Center Municipal
Clay Center · elev 1,209 ft
- K63 — Council Grove Municipal
Council Grove · elev 1,409 ft
- 69K — Wamego Municipal
Wamego · elev 966 ft
- KSLN — Salina Regional
Salina · elev 1,288 ft
- 45K — Minneapolis City County
Minneapolis · elev 1,246 ft
Frequently asked questions
How high does density altitude get at 3JC in summer?
On a typical July afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Freeman Field reaches roughly 3,280 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 3JC on an average day?
It swings with the seasons: from roughly −638 ft at the coldest month's average temperature to about 2,653 ft at the warmest month's — all from a constant field elevation of 1,102 ft. The month-by-month table above carries the full year.
What is the field elevation of Freeman Field?
1,102 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 3JC (FAA), in Junction City, Kansas.