Ramona, California · field elev 1,395 ft
Density Altitude at Ramona (KRNM)
Ramona sits at 1,395 ft, and even a typical August afternoon (91 °F) only lifts density altitude to about 3,734 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 | 51.4 | 1,240 ft | 66.2 | 2,204 ft |
| February | 51.9 | 1,273 ft | 65.9 | 2,184 ft |
| March | 53.8 | 1,399 ft | 67.7 | 2,299 ft |
| April | 57.3 | 1,628 ft | 71.7 | 2,553 ft |
| May | 62.2 | 1,947 ft | 75.5 | 2,792 ft |
| June | 67.5 | 2,287 ft | 82.9 | 3,252 ft |
| July | 73.2 | 2,648 ft | 88.9 | 3,618 ft |
| August | 74.7 | 2,742 ft | 90.8 | 3,734 ft |
| September | 71.2 | 2,522 ft | 87.4 | 3,527 ft |
| October | 64.2 | 2,075 ft | 80.0 | 3,072 ft |
| November | 56.4 | 1,569 ft | 72.5 | 2,604 ft |
| December | 50.6 | 1,187 ft | 65.6 | 2,165 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 KRNM
DENSITY ALTITUDE
Field elevation 1,395 ft — the air behaves like 3,746 ft.
- PRESSURE ALT
- 1,396 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
- KSEE — Gillespie Field
San Diego/El Cajon · elev 388 ft
- KMYF — Montgomery-Gibbs Exec
San Diego · elev 427 ft
- KCRQ — Mc Clellan-Palomar
Carlsbad · elev 331 ft
- KSAN — San Diego International
San Diego · elev 17 ft
- KOKB — Bob Maxwell Meml Airfield
Oceanside · elev 28 ft
- L18 — Fallbrook Community Airpark
Fallbrook · elev 711 ft
- KSDM — Brown Field Municipal
San Diego · elev 526 ft
- L08 — Borrego Valley
Borrego Springs · elev 522 ft
Frequently asked questions
How high does density altitude get at KRNM in summer?
On a typical August afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Ramona reaches roughly 3,734 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 KRNM on an average day?
It swings with the seasons: from roughly 1,187 ft at the coldest month's average temperature to about 2,742 ft at the warmest month's — all from a constant field elevation of 1,395 ft. The month-by-month table above carries the full year.
What is the field elevation of Ramona?
1,395 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KRNM (ICAO) / RNM (FAA), in Ramona, California.