noun
seasonable rains and winds; halcyon weather; peaceful times
A yojijukugo describing ideal weather with timely rains and gentle winds, often extended metaphorically to peaceful, prosperous times. Literary and somewhat rare in modern conversation.
五風十雨の年は作物がよく実る。
In a year of seasonable rains and winds, crops grow well.
この国は長く五風十雨の時代が続いている。
This country has long enjoyed halcyon times of peace.