Danbury, Connecticut · field elev 457 ft
Density Altitude at Danbury Municipal (KDXR)
Danbury Municipal sits at 457 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,076 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 | 27.0 | −1,601 ft | 35.9 | −976 ft |
| February | 29.2 | −1,445 ft | 38.7 | −782 ft |
| March | 36.9 | −907 ft | 46.7 | −237 ft |
| April | 47.7 | −169 ft | 58.7 | 563 ft |
| May | 57.8 | 504 ft | 69.1 | 1,237 ft |
| June | 66.9 | 1,096 ft | 77.7 | 1,782 ft |
| July | 72.0 | 1,422 ft | 82.4 | 2,076 ft |
| August | 70.2 | 1,307 ft | 80.4 | 1,951 ft |
| September | 62.9 | 837 ft | 73.6 | 1,524 ft |
| October | 51.5 | 86 ft | 62.3 | 798 ft |
| November | 41.2 | −611 ft | 51.1 | 59 ft |
| December | 32.4 | −1,220 ft | 40.8 | −638 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 KDXR
DENSITY ALTITUDE
Field elevation 457 ft — the air behaves like 2,051 ft.
- PRESSURE ALT
- 458 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 Connecticut fields
- 11N — Candlelight Farms
New Milford · elev 675 ft
- KOXC — Waterbury-Oxford
Oxford · elev 730 ft
- KBDR — Bridgeport/Sikorsky
Bridgeport · elev 9 ft
- N41 — Mount Tobe
Waterbury · elev 850 ft
- KHVN — Tweed/New Haven
New Haven · elev 13 ft
- KMMK — Meriden Markham Municipal
Meriden · elev 103 ft
- 4B8 — Robertson Field
Plainville · elev 202 ft
- KHFD — Hartford-Brainard
Hartford · elev 18 ft
Frequently asked questions
How high does density altitude get at KDXR in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Danbury Municipal reaches roughly 2,076 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 KDXR on an average day?
It swings with the seasons: from roughly −1,601 ft at the coldest month's average temperature to about 1,422 ft at the warmest month's — all from a constant field elevation of 457 ft. The month-by-month table above carries the full year.
What is the field elevation of Danbury Municipal?
457 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KDXR (ICAO) / DXR (FAA), in Danbury, Connecticut.