The weather in the Seattle area is generally moderate.
Until about ten years ago, the temperature here had
never exceeded 100 degrees, nor gone below 0 degrees
(Fahrenheit, of course).
Been different the last couple of years. We set a new
record of something like 114 degrees a couple of
summers back. We used to rarely get stretches with
high temperatures in the 90s, now it's a bit more
common.
Been in another hot stretch lately.
Funny how the air traffic seems to decrease when it
gets really hot. I suspect those closed cabins are
VERY uncomfortable for someone heading out to shoot
some touch-and-goes.
Those of us with open-cockpit airplanes, though.....
I usually wear a helmet year 'round with my flying,
but when it gets above 90 I try to leave it behind.
This is where my homebuilt headset REALLY shines... it
doesn't need a helmet to hold it on.
I have sensitive eyes, though, and generally try to at
least wear a pair of goggles.