Takeoff performance an be affected by ambient temperature.
Do any issues arise with landing when ambient temperatures are high?
Recently an LH A319 couldn't land when airtemp was 45.
Certainly takeoff performance is more limited with temperature than landing, but there's several factors where WAT (Weight, Altitude, and/or Temperature) can affect landing performance, and I can specifically try to find one which would limit it to the point of having to abstain from conducting a landing.
Some factors which need to be considered are: (you can specifically just think of temperature in this case when I mention WAT below)
- Is the landing distance available (runway) adequate/long enough? The approach speed, as a function of WAT will affect how much runway will be used. The higher the temperature, the lower the air density and faster the aircraft will have to fly to maintain the same lift. Likewise, the heavier the aircraft is, the faster it will have to fly to maintain a higher lift. Also, will the brake temperatures be too hot?
- At a given WAT, engine performance is degraded, so can the aircraft conduct a missed approach with one engine inoperative (1EO) and still clear obstacles? An increase in WAT will decrease 1EO performance bringing it closer to performance and clearance limits.
- Will the groundspeed of the aircraft be beyond the maximum tyre speed? An increase in WAT will mean faster approach speeds, faster speed over the ground (groundspeed), and may bring the aircraft close to maximum tyre speeds, particularly if the aircraft is heavy and landing at a higher altitude airport. (It's 195kt for the A319/320, so likely not a factor. It's a consideration in our 747's though)
- Are there specific aircraft temperature limitations? The graph below deals exclusively with Altitude and Temperature and for 45 degrees, an airport at 5000ft is the limit.
