To save yourself the embarrassment of having to explain why you're pounding around in a circle like an angry giant whilst chanting nonsensical phrases and shouting obscenities at the sky, here are some alternative suggestions, to tease those droplets from the clouds wonder years.
Leave your car sunroof open.
Plan a barbecue
Greet a stranger with the phrase "Ooh, lovely weather we're having, isn't it?"
Dress in tissue paper
Hang your washing out
Take a day out at the seaside
Have a picnic
Get the lawnmower out