According to Kindaichi Haruhiko, a linguist, there are more than forty different expressions for rain in Japanese: harusame (drizzles of early springtime), shigure (light showers in late autumn or early winter), yudachi (a shower in the late afternoon to early evening, often in the summer), raiu (thunderstorms), samidare (a long spell of passing showers in May by the lunar calendar), tsuyu (the rainy season in early summer), and akisame (long autumn rains) to name but a few."NIPO-235", "2232753"
Skies will be overcast this morning with intermittent rain before evening in western Japan as a low pressure system approaches from the continent.In northern Japan, cloud cover will increase during the afternoon.〔天気予報〕
東京はおおむね曇り、一時雨が降ったりやんだりするでしょう。
Tokyo is mostly cloudy with intermittent rainshowers.