Definition of "drizzly"

Thursday, January 21, was a miserable, wet, drizzly day; the thaw started fairly rapidly and transport began to move again.

1960 March, “The January blizzard in the North-East of Scotland”, in Trains Illustrated, page 139

On a drizzly mid-January evening, I stood at the arches of the wall of Buda Castle, overlooking the Danube and the 19th-century Chain Bridge that links Buda with Pest.

2014 January 30, Seth Kugel, “Wintertime Bargains in Budapest”, in The New York Times‎