Jackson, California · field elev 1,693 ft
Density Altitude at Westover Field Amador County (KJAQ)
Westover Field Amador County sits at 1,693 ft, and even a typical July afternoon (93 °F) only lifts density altitude to about 4,252 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 | 47.0 | 1,316 ft | 54.8 | 1,832 ft |
| February | 49.7 | 1,496 ft | 58.0 | 2,041 ft |
| March | 52.1 | 1,655 ft | 62.0 | 2,300 ft |
| April | 55.8 | 1,898 ft | 66.7 | 2,601 ft |
| May | 63.0 | 2,365 ft | 75.0 | 3,125 ft |
| June | 71.4 | 2,899 ft | 86.0 | 3,805 ft |
| July | 78.0 | 3,312 ft | 93.4 | 4,252 ft |
| August | 76.9 | 3,244 ft | 91.9 | 4,162 ft |
| September | 73.1 | 3,006 ft | 86.7 | 3,847 ft |
| October | 64.7 | 2,474 ft | 76.5 | 3,219 ft |
| November | 53.7 | 1,760 ft | 63.3 | 2,384 ft |
| December | 46.9 | 1,309 ft | 55.0 | 1,845 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 KJAQ
DENSITY ALTITUDE
Field elevation 1,693 ft — the air behaves like 4,228 ft.
- PRESSURE ALT
- 1,694 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
- KCPU — Calaveras County/Maury Rasmussen Field
San Andreas · elev 1,328 ft
- KRIU — Rancho Murieta
Rancho Murieta · elev 144 ft
- O61 — Cameron Park
Cameron Park · elev 1,287 ft
- KPVF — Placerville
Placerville · elev 2,586 ft
- 1O3 — Lodi
Lodi · elev 60 ft
- KMHR — Sacramento Mather
Sacramento · elev 98 ft
- O22 — Columbia
Columbia · elev 2,121 ft
- L53 — Lodi Airpark
Lodi · elev 25 ft
Frequently asked questions
How high does density altitude get at KJAQ in summer?
On a typical July afternoon — around 93 °F at the nearest NOAA normals station — density altitude at Westover Field Amador County reaches roughly 4,252 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 KJAQ on an average day?
It swings with the seasons: from roughly 1,309 ft at the coldest month's average temperature to about 3,312 ft at the warmest month's — all from a constant field elevation of 1,693 ft. The month-by-month table above carries the full year.
What is the field elevation of Westover Field Amador County?
1,693 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KJAQ (ICAO) / JAQ (FAA), in Jackson, California.