Raindrops keep fallin' on her head!

North West was having the time of her life with a new umbrella and rain boots as the LA weather provided a fun afternoon for Kim and Kanye's offspring.

Kourtney Kardashian took Nori and Penelope out in the rain Friday afternoon and the curly-haired cutie and her cousin were having a rip-roaring time, though Pene wasn't as prepared for the downpour ... and their bodyguard didn't seem to be sharing his Burberry umbrella very efficiently!