Block Island, Rhode Island · field elev 108 ft
Density Altitude at Block Island State (KBID)
Block Island State sits at 108 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 1,600 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 | 32.0 | −1,684 ft | 39.5 | −1,162 ft |
| February | 33.4 | −1,586 ft | 41.2 | −1,045 ft |
| March | 39.6 | −1,155 ft | 47.2 | −636 ft |
| April | 48.9 | −521 ft | 57.1 | 26 ft |
| May | 58.3 | 105 ft | 66.6 | 647 ft |
| June | 67.2 | 686 ft | 75.0 | 1,185 ft |
| July | 73.8 | 1,109 ft | 81.6 | 1,600 ft |
| August | 72.4 | 1,019 ft | 80.5 | 1,531 ft |
| September | 65.7 | 589 ft | 74.4 | 1,147 ft |
| October | 55.2 | −100 ft | 63.9 | 472 ft |
| November | 45.9 | −724 ft | 54.0 | −179 ft |
| December | 37.6 | −1,293 ft | 44.9 | −792 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 KBID
DENSITY ALTITUDE
Field elevation 108 ft — the air behaves like 1,625 ft.
- PRESSURE ALT
- 109 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 Rhode Island fields
- KWST — Westerly State
Westerly · elev 81 ft
- 08R — Richmond
West Kingston · elev 130 ft
- KUUU — Newport State
Newport · elev 172 ft
- KOQU — Quonset State
North Kingstown · elev 18 ft
- KPVD — Rhode Island Tf Green International
Providence · elev 54 ft
- KSFZ — North Central State
Pawtucket · elev 441 ft
Frequently asked questions
How high does density altitude get at KBID in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Block Island State reaches roughly 1,600 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 KBID on an average day?
It swings with the seasons: from roughly −1,684 ft at the coldest month's average temperature to about 1,109 ft at the warmest month's — all from a constant field elevation of 108 ft. The month-by-month table above carries the full year.
What is the field elevation of Block Island State?
108 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KBID (ICAO) / BID (FAA), in Block Island, Rhode Island.