Mariposa, California · field elev 2,254 ft
Density Altitude at Mariposa-Yosemite (KMPI)
Mariposa-Yosemite sits at 2,254 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 4,801 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 | 42.2 | 1,689 ft | 53.4 | 2,433 ft |
| February | 43.5 | 1,777 ft | 55.3 | 2,557 ft |
| March | 47.5 | 2,044 ft | 60.1 | 2,868 ft |
| April | 51.4 | 2,301 ft | 64.8 | 3,169 ft |
| May | 58.6 | 2,771 ft | 73.2 | 3,699 ft |
| June | 67.0 | 3,309 ft | 83.2 | 4,317 ft |
| July | 73.7 | 3,730 ft | 91.2 | 4,801 ft |
| August | 72.8 | 3,674 ft | 90.7 | 4,771 ft |
| September | 67.3 | 3,328 ft | 84.7 | 4,408 ft |
| October | 57.7 | 2,713 ft | 73.5 | 3,718 ft |
| November | 47.6 | 2,050 ft | 60.1 | 2,868 ft |
| December | 41.4 | 1,636 ft | 52.0 | 2,341 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 KMPI
DENSITY ALTITUDE
Field elevation 2,254 ft — the air behaves like 4,789 ft.
- PRESSURE ALT
- 2,255 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 California fields
- E45 — Groveland/Yosemite
Groveland · elev 2,933 ft
- 2O6 — Chowchilla
Chowchilla · elev 243 ft
- KMCE — Merced Yosemite Regional
Merced · elev 155 ft
- KMER — Castle
Atwater · elev 190 ft
- O15 — Turlock Municipal
Turlock · elev 161 ft
- KMAE — Madera Municipal
Madera · elev 255 ft
- O22 — Columbia
Columbia · elev 2,121 ft
- O27 — Oakdale
Oakdale · elev 237 ft
Frequently asked questions
How high does density altitude get at KMPI in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Mariposa-Yosemite reaches roughly 4,801 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 KMPI on an average day?
It swings with the seasons: from roughly 1,636 ft at the coldest month's average temperature to about 3,730 ft at the warmest month's — all from a constant field elevation of 2,254 ft. The month-by-month table above carries the full year.
What is the field elevation of Mariposa-Yosemite?
2,254 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KMPI (ICAO) / MPI (FAA), in Mariposa, California.