Hays, Kansas · field elev 1,999 ft
Density Altitude at Hays Regional (KHYS)
Hays Regional sits at 1,999 ft, and even a typical July afternoon (93 °F) only lifts density altitude to about 4,611 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 | 32.2 | 690 ft | 44.4 | 1,521 ft |
| February | 35.3 | 904 ft | 48.2 | 1,775 ft |
| March | 44.7 | 1,541 ft | 58.1 | 2,425 ft |
| April | 53.4 | 2,118 ft | 67.4 | 3,021 ft |
| May | 63.8 | 2,792 ft | 76.6 | 3,599 ft |
| June | 75.7 | 3,543 ft | 88.7 | 4,340 ft |
| July | 80.2 | 3,822 ft | 93.2 | 4,611 ft |
| August | 78.2 | 3,698 ft | 91.3 | 4,497 ft |
| September | 69.9 | 3,180 ft | 83.5 | 4,024 ft |
| October | 56.3 | 2,308 ft | 70.2 | 3,199 ft |
| November | 43.4 | 1,454 ft | 56.9 | 2,347 ft |
| December | 34.4 | 842 ft | 46.5 | 1,662 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 KHYS
DENSITY ALTITUDE
Field elevation 1,999 ft — the air behaves like 4,599 ft.
- PRESSURE ALT
- 2,000 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
- K94 — Rush County
La Crosse · elev 2,076 ft
- KRSL — Russell Municipal
Russell · elev 1,864 ft
- KRCP — Rooks County Regional
Stockton · elev 1,999 ft
- 0H1 — Trego Wakeeney
Wakeeney · elev 2,439 ft
- KGBD — Great Bend Municipal
Great Bend · elev 1,887 ft
- 48K — Ness City Municipal
Ness City · elev 2,322 ft
- 38K — Lucas
Lucas · elev 1,485 ft
- KLQR — Larned-Pawnee County
Larned · elev 2,012 ft
Frequently asked questions
How high does density altitude get at KHYS in summer?
On a typical July afternoon — around 93 °F at the nearest NOAA normals station — density altitude at Hays Regional reaches roughly 4,611 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 KHYS on an average day?
It swings with the seasons: from roughly 690 ft at the coldest month's average temperature to about 3,822 ft at the warmest month's — all from a constant field elevation of 1,999 ft. The month-by-month table above carries the full year.
What is the field elevation of Hays Regional?
1,999 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KHYS (ICAO) / HYS (FAA), in Hays, Kansas.