Open hand with fingers loosely clenched starts at far side of forehead and moves across. Indicating you're hot.
Fists clenched tight around chest height and arms tight against your body you give fake shiver indicating cold.
Hands palms down at eye level, slightly different heights, start wiggling your fingers & moving hands down. Adjust to rain speed.
Prominent hand shaped as a C, facing away from you, starting furthest away, outlines a rainbow shape in the air.
Flat palms facing away, at face level, move downwards & side to side indicating wind, adjusting speed & intensity as desired.
Hands palms down at eye level, slightly different heights, start moving hands down. Very very slowly to indicate snow falling.