Showery
/ˈʃaʊəri/
Definition 1 of 1
Pro Tip 1/3Frequency
Describes weather with multiple short periods of rain, not continuous. 
Bring your umbrella, as it'll be showery all afternoon.
Pro Tip 2/3Not Persistent
Indicates rain will stop and start, unlike steady rain that lasts for hours. 
The picnic won't be ruined; it's just showery, not pouring.
Pro Tip 3/3Prepare Accordingly
Suggests that outdoor activities are still possible, but with rain gear. 
We can still hike; the forecast says it'll be showery but warm.