Rolette, North Dakota · field elev 1,623 ft
Density Altitude at Rolette (2H9)
Rolette sits at 1,623 ft, and even a typical July afternoon (78 °F) only lifts density altitude to about 3,214 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 | 2.5 | −1,918 ft | 13.0 | −1,143 ft |
| February | 6.4 | −1,628 ft | 17.9 | −788 ft |
| March | 20.0 | −638 ft | 30.7 | 117 ft |
| April | 37.4 | 580 ft | 49.7 | 1,409 ft |
| May | 51.3 | 1,515 ft | 64.1 | 2,349 ft |
| June | 61.3 | 2,169 ft | 72.7 | 2,896 ft |
| July | 65.9 | 2,464 ft | 77.8 | 3,214 ft |
| August | 63.8 | 2,330 ft | 77.4 | 3,190 ft |
| September | 54.6 | 1,733 ft | 67.9 | 2,592 ft |
| October | 38.7 | 669 ft | 50.3 | 1,449 ft |
| November | 22.5 | −459 ft | 32.4 | 235 ft |
| December | 8.3 | −1,487 ft | 17.6 | −810 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 2H9
DENSITY ALTITUDE
Field elevation 1,623 ft — the air behaves like 3,227 ft.
- PRESSURE ALT
- 1,624 ft
- ISA DEVIATION
- —
- RULE-OF-THUMB DA
- —
- AIR DENSITY INDEX
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- AIR DENSITY
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- 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 North Dakota fields
- 06D — Rolla Municipal/Leonard Krech Field
Rolla · elev 1,823 ft
- KRUG — Rugby Municipal
Rugby · elev 1,549 ft
- S28 — International Peace Garden
Dunseith · elev 2,317 ft
- D09 — Bottineau Municipal
Bottineau · elev 1,680 ft
- 9D7 — Cando Municipal
Cando · elev 1,482 ft
- D61 — Towner Municipal
Towner · elev 1,484 ft
- D31 — Leeds Municipal
Leeds · elev 1,508 ft
- 6D3 — Maddock Municipal
Maddock · elev 1,600 ft
Frequently asked questions
How high does density altitude get at 2H9 in summer?
On a typical July afternoon — around 78 °F at the nearest NOAA normals station — density altitude at Rolette reaches roughly 3,214 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 2H9 on an average day?
It swings with the seasons: from roughly −1,918 ft at the coldest month's average temperature to about 2,464 ft at the warmest month's — all from a constant field elevation of 1,623 ft. The month-by-month table above carries the full year.
What is the field elevation of Rolette?
1,623 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 2H9 (FAA), in Rolette, North Dakota.