Havre, Montana · field elev 2,591 ft
Density Altitude at Havre City-County (KHVR)
Havre City-County sits at 2,591 ft, and even a typical July afternoon (86 °F) only lifts density altitude to about 4,884 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 | 17.7 | 412 ft | 28.3 | 1,158 ft |
| February | 21.3 | 668 ft | 32.5 | 1,449 ft |
| March | 32.0 | 1,414 ft | 44.0 | 2,228 ft |
| April | 44.0 | 2,228 ft | 57.3 | 3,102 ft |
| May | 53.9 | 2,881 ft | 67.5 | 3,753 ft |
| June | 62.1 | 3,410 ft | 75.7 | 4,266 ft |
| July | 69.8 | 3,898 ft | 85.8 | 4,884 ft |
| August | 68.4 | 3,810 ft | 84.6 | 4,812 ft |
| September | 57.7 | 3,128 ft | 73.0 | 4,098 ft |
| October | 44.1 | 2,234 ft | 57.5 | 3,115 ft |
| November | 30.9 | 1,338 ft | 42.1 | 2,100 ft |
| December | 21.1 | 654 ft | 31.7 | 1,394 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 KHVR
DENSITY ALTITUDE
Field elevation 2,591 ft — the air behaves like 4,897 ft.
- PRESSURE ALT
- 2,593 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 Montana fields
- S71 — Edgar G Obie
Chinook · elev 2,416 ft
- 3U8 — Big Sandy
Big Sandy · elev 2,699 ft
- 48S — Harlem
Harlem · elev 2,643 ft
- CW0 — Cow Creek
Winifred · elev 3,300 ft
- BB0 — Black Butte North
Winifred · elev 3,150 ft
- 6U6 — Hogeland
Hogeland · elev 3,139 ft
- KLTY — Liberty County
Chester · elev 3,185 ft
- LC0 — Left Coulee
Winifred · elev 3,150 ft
Frequently asked questions
How high does density altitude get at KHVR in summer?
On a typical July afternoon — around 86 °F at the nearest NOAA normals station — density altitude at Havre City-County reaches roughly 4,884 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 KHVR on an average day?
It swings with the seasons: from roughly 412 ft at the coldest month's average temperature to about 3,898 ft at the warmest month's — all from a constant field elevation of 2,591 ft. The month-by-month table above carries the full year.
What is the field elevation of Havre City-County?
2,591 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KHVR (ICAO) / HVR (FAA), in Havre, Montana.