Rancho Murieta, California · field elev 144 ft
Density Altitude at Rancho Murieta (KRIU)
Rancho Murieta sits at 144 ft, and even a typical July afternoon (94 °F) only lifts density altitude to about 2,431 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 | 48.8 | −483 ft | 56.5 | 31 ft |
| February | 52.9 | −208 ft | 62.2 | 406 ft |
| March | 57.2 | 77 ft | 67.8 | 769 ft |
| April | 61.4 | 353 ft | 73.5 | 1,134 ft |
| May | 67.7 | 762 ft | 81.3 | 1,625 ft |
| June | 73.9 | 1,159 ft | 89.0 | 2,102 ft |
| July | 77.9 | 1,412 ft | 94.4 | 2,431 ft |
| August | 77.3 | 1,374 ft | 93.5 | 2,376 ft |
| September | 74.0 | 1,165 ft | 89.3 | 2,120 ft |
| October | 65.9 | 646 ft | 78.9 | 1,475 ft |
| November | 55.3 | −48 ft | 65.3 | 607 ft |
| December | 48.5 | −503 ft | 56.4 | 24 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 KRIU
DENSITY ALTITUDE
Field elevation 144 ft — the air behaves like 2,407 ft.
- PRESSURE ALT
- 145 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
- KMHR — Sacramento Mather
Sacramento · elev 98 ft
- O61 — Cameron Park
Cameron Park · elev 1,287 ft
- KJAQ — Westover Field Amador County
Jackson · elev 1,693 ft
- KMCC — Mc Clellan Airfield
Sacramento · elev 77 ft
- KSAC — Sacramento Exec
Sacramento · elev 23 ft
- 1O3 — Lodi
Lodi · elev 60 ft
- F72 — Franklin Field
Franklin · elev 23 ft
- L36 — Rio Linda
Rio Linda · elev 46 ft
Frequently asked questions
How high does density altitude get at KRIU in summer?
On a typical July afternoon — around 94 °F at the nearest NOAA normals station — density altitude at Rancho Murieta reaches roughly 2,431 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 KRIU on an average day?
It swings with the seasons: from roughly −503 ft at the coldest month's average temperature to about 1,412 ft at the warmest month's — all from a constant field elevation of 144 ft. The month-by-month table above carries the full year.
What is the field elevation of Rancho Murieta?
144 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KRIU (ICAO) / RIU (FAA), in Rancho Murieta, California.