noun which may take the genitive case particle 'no', na-adjective, noun
rainy; prone to rain
Describes weather or a period that tends to be rainy, often with a nuance of 'more than usual' or 'unfortunately rainy'. Used attributively with の or as a na-adjective.
This year's rainy season has been continuing with many rainy days.
Tomorrow's weather will likely be rainy as well.
Standard spelling using the suffix がち with 雨.
Alternate kanji spelling using 勝ち for the suffix; less common than 雨がち.
Compound of 雨 (rain) and the suffix がち (tending to, prone to), which derives from the verb 勝つ (to win, to be predominant).