terry writes:

But no, pilots dont forget special precautions just
because they dont fly in certain conditions, because no matter where
they live the weather varies, enough that a pilot has to understand
the effects of variation whether it is from -20 to +20 or +20 to +
50 C and it is one of the most critically assessed components of their
training, because it can kill you ( well not you , but real pilots)

Yes, they forget, and that's why so many get killed. They forget all sorts of
things; some are important, some aren't.

Oh and if you think rain is not an issue in the desert , go an read
about VIRGA.

I know about virga. But typically the skies in the desert have no clouds at
all, or clouds so small and insignificant that they are hard to even see.