Dalton, Georgia · field elev 709 ft
Density Altitude at Dalton Municipal (KDNN)
Dalton Municipal sits at 709 ft, and even a typical August afternoon (90 °F) only lifts density altitude to about 2,820 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 | 41.0 | −311 ft | 51.1 | 371 ft |
| February | 44.5 | −73 ft | 55.2 | 643 ft |
| March | 52.5 | 465 ft | 64.5 | 1,251 ft |
| April | 60.3 | 978 ft | 72.8 | 1,782 ft |
| May | 68.3 | 1,495 ft | 79.7 | 2,216 ft |
| June | 75.8 | 1,972 ft | 86.4 | 2,631 ft |
| July | 79.1 | 2,178 ft | 89.3 | 2,808 ft |
| August | 79.0 | 2,172 ft | 89.5 | 2,820 ft |
| September | 73.0 | 1,795 ft | 84.1 | 2,489 ft |
| October | 61.9 | 1,082 ft | 74.6 | 1,896 ft |
| November | 51.2 | 378 ft | 62.6 | 1,128 ft |
| December | 43.9 | −113 ft | 54.2 | 577 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 KDNN
DENSITY ALTITUDE
Field elevation 709 ft — the air behaves like 2,851 ft.
- PRESSURE ALT
- 710 ft
- ISA DEVIATION
- —
- RULE-OF-THUMB DA
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- AIR DENSITY INDEX
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- AIR DENSITY
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- WATER · GRAINS/LB
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For training and reference · verify with official sources and your POH before flight · no tool on this site renders a go / no-go judgment
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Frequently asked questions
How high does density altitude get at KDNN in summer?
On a typical August afternoon — around 90 °F at the nearest NOAA normals station — density altitude at Dalton Municipal reaches roughly 2,820 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 KDNN on an average day?
It swings with the seasons: from roughly −311 ft at the coldest month's average temperature to about 2,178 ft at the warmest month's — all from a constant field elevation of 709 ft. The month-by-month table above carries the full year.
What is the field elevation of Dalton Municipal?
709 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KDNN (ICAO) / DNN (FAA), in Dalton, Georgia.