

雨季に入ると、洪水の危険が高まります。
この国の雨季は何月から始まりますか。
雨季の間は、川に近づかないほうがいいですよ。
"うき(雨季)" is in the lesson "Disasters" (Level 14), along with 14 other useful words. LinDuo has 180 topic lessons like this one, 2,379 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.