How Does elevation influence the temperature of a city?

Answer 1

As elevation increases, the temperature will decrease.

Answer 2

It's actually about 2 degrees Celcius per thousand feet. Not Fahrenheit.
To be more exact, it's 1.98 degrees.
Keep in mind that's the standard atmosphere number, with everything perfect and "standard." That rarely happens. So 1.98 is just an average.

Answer 3

Yes it does. As a rule of thumb it is 2 degrees Fahrenheit for every 1,000 feet of gain in elevation.

It's called the adiabatic lapse rate, you learn about it when taking flight training.

check this link