Hawthorne, California · field elev 66 ft
Density Altitude at Jack Northrop Field/Hawthorne Municipal (KHHR)
Jack Northrop Field/Hawthorne Municipal sits at 66 ft, and even a typical August afternoon (79 °F) only lifts density altitude to about 1,367 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 | 58.3 | 54 ft | 67.3 | 641 ft |
| February | 58.7 | 80 ft | 66.8 | 608 ft |
| March | 60.3 | 185 ft | 67.8 | 673 ft |
| April | 62.3 | 316 ft | 69.7 | 795 ft |
| May | 64.6 | 466 ft | 70.7 | 859 ft |
| June | 67.3 | 641 ft | 73.1 | 1,012 ft |
| July | 70.9 | 872 ft | 77.2 | 1,272 ft |
| August | 72.0 | 942 ft | 78.7 | 1,367 ft |
| September | 71.5 | 910 ft | 78.5 | 1,354 ft |
| October | 68.1 | 692 ft | 76.0 | 1,196 ft |
| November | 62.6 | 336 ft | 71.7 | 923 ft |
| December | 57.6 | 7 ft | 66.4 | 582 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 KHHR
DENSITY ALTITUDE
Field elevation 66 ft — the air behaves like 1,386 ft.
- PRESSURE ALT
- 67 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
- KLAX — Los Angeles International
Los Angeles · elev 128 ft
- KCPM — Compton/Woodley
Compton · elev 99 ft
- KTOA — Zamperini Field
Torrance · elev 103 ft
- KSMO — Santa Monica Municipal
Santa Monica · elev 170 ft
- KLGB — Long Beach (Daugherty Field)
Long Beach · elev 60 ft
- KBUR — Bob Hope
Burbank · elev 778 ft
- KEMT — San Gabriel Valley
El Monte · elev 296 ft
- KFUL — Fullerton Municipal
Fullerton · elev 96 ft
Frequently asked questions
How high does density altitude get at KHHR in summer?
On a typical August afternoon — around 79 °F at the nearest NOAA normals station — density altitude at Jack Northrop Field/Hawthorne Municipal reaches roughly 1,367 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 KHHR on an average day?
It swings with the seasons: from roughly 7 ft at the coldest month's average temperature to about 942 ft at the warmest month's — all from a constant field elevation of 66 ft. The month-by-month table above carries the full year.
What is the field elevation of Jack Northrop Field/Hawthorne Municipal?
66 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KHHR (ICAO) / HHR (FAA), in Hawthorne, California.