Avalon, California · field elev 1,602 ft
Density Altitude at Catalina (KAVX)
Catalina sits at 1,602 ft, and even a typical August afternoon (79 °F) only lifts density altitude to about 3,263 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 | 56.0 | 1,799 ft | 61.8 | 2,175 ft |
| February | 54.7 | 1,713 ft | 60.2 | 2,072 ft |
| March | 55.3 | 1,753 ft | 61.4 | 2,150 ft |
| April | 57.0 | 1,864 ft | 63.9 | 2,311 ft |
| May | 59.5 | 2,027 ft | 67.0 | 2,509 ft |
| June | 62.3 | 2,208 ft | 69.8 | 2,687 ft |
| July | 68.0 | 2,573 ft | 76.7 | 3,120 ft |
| August | 70.6 | 2,737 ft | 79.0 | 3,263 ft |
| September | 70.5 | 2,731 ft | 78.3 | 3,220 ft |
| October | 65.3 | 2,400 ft | 72.6 | 2,864 ft |
| November | 60.2 | 2,072 ft | 66.7 | 2,490 ft |
| December | 54.9 | 1,726 ft | 60.3 | 2,078 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 KAVX
DENSITY ALTITUDE
Field elevation 1,602 ft — the air behaves like 3,263 ft.
- PRESSURE ALT
- 1,603 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
- KTOA — Zamperini Field
Torrance · elev 103 ft
- KLGB — Long Beach (Daugherty Field)
Long Beach · elev 60 ft
- KCPM — Compton/Woodley
Compton · elev 99 ft
- KHHR — Jack Northrop Field/Hawthorne Municipal
Hawthorne · elev 66 ft
- KSNA — John Wayne/Orange County
Santa Ana · elev 56 ft
- KLAX — Los Angeles International
Los Angeles · elev 128 ft
- KFUL — Fullerton Municipal
Fullerton · elev 96 ft
- KSMO — Santa Monica Municipal
Santa Monica · elev 170 ft
Frequently asked questions
How high does density altitude get at KAVX in summer?
On a typical August afternoon — around 79 °F at the nearest NOAA normals station — density altitude at Catalina reaches roughly 3,263 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 KAVX on an average day?
It swings with the seasons: from roughly 1,713 ft at the coldest month's average temperature to about 2,737 ft at the warmest month's — all from a constant field elevation of 1,602 ft. The month-by-month table above carries the full year.
What is the field elevation of Catalina?
1,602 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KAVX (ICAO) / AVX (FAA), in Avalon, California.