I will talk about Japan's unique climate, 梅雨 (tsuyu). Actually, 梅雨 (tsuyu) is different from the rainy season in the strict sense of the word. During 梅雨 (tsuyu), there are many rainy days, but hydrangeas bloom beautifully and fireflies can be seen at night by the riverside.
The English script for this episode can be found here. This will surely help you understand this entire episode. https://toralog.jp/podcast-episode76/
I introduce my hometown in English on YouTube. https://www.youtube.com/channel/UCJyb6vceAjGazPPGjJs-1Yw It has Japanese subtitles, so I think it'll be useful for your study! Please take a look at that as well!