Appropriate OED word of the day is appropriate
imˈbriferous, adj.
Etymology: < Latin imbrifer ( < imber a shower): see -ferous comb. form.
rare.
Rain-bringing, showery.
1815 T. I. M. Forster Res. Atmosph. Phænom. (ed. 2) ii. 80 The imbriferous quality of the atmosphere.