San Bernardino, California · field elev 1,159 ft
Density Altitude at San Bernardino International (KSBD)
San Bernardino International sits at 1,159 ft, and even a typical August afternoon (96 °F) only lifts density altitude to about 3,772 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 | 53.8 | 1,107 ft | 66.6 | 1,939 ft |
| February | 54.8 | 1,173 ft | 67.4 | 1,991 ft |
| March | 57.7 | 1,363 ft | 70.9 | 2,213 ft |
| April | 61.7 | 1,624 ft | 75.6 | 2,510 ft |
| May | 66.4 | 1,927 ft | 80.3 | 2,803 ft |
| June | 72.4 | 2,308 ft | 88.5 | 3,307 ft |
| July | 78.9 | 2,716 ft | 95.4 | 3,724 ft |
| August | 79.6 | 2,759 ft | 96.2 | 3,772 ft |
| September | 76.0 | 2,535 ft | 92.3 | 3,537 ft |
| October | 67.9 | 2,023 ft | 82.9 | 2,964 ft |
| November | 60.1 | 1,520 ft | 75.0 | 2,472 ft |
| December | 53.3 | 1,074 ft | 66.5 | 1,933 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 KSBD
DENSITY ALTITUDE
Field elevation 1,159 ft — the air behaves like 3,760 ft.
- PRESSURE ALT
- 1,160 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
- KREI — Redlands Municipal
Redlands · elev 1,574 ft
- KRIR — Flabob
Riverside/Rubidoux/ · elev 767 ft
- KRIV — March Arb
Riverside · elev 1,536 ft
- KRAL — Riverside
Riverside · elev 819 ft
- L26 — Hesperia
Hesperia · elev 3,390 ft
- KONT — Ontario International
Ontario · elev 944 ft
- L65 — Perris Valley
Perris · elev 1,413 ft
- KCNO — Chino
Chino · elev 650 ft
Frequently asked questions
How high does density altitude get at KSBD in summer?
On a typical August afternoon — around 96 °F at the nearest NOAA normals station — density altitude at San Bernardino International reaches roughly 3,772 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 KSBD on an average day?
It swings with the seasons: from roughly 1,074 ft at the coldest month's average temperature to about 2,759 ft at the warmest month's — all from a constant field elevation of 1,159 ft. The month-by-month table above carries the full year.
What is the field elevation of San Bernardino International?
1,159 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KSBD (ICAO) / SBD (FAA), in San Bernardino, California.