The rainy season in the Andes normally starts in December.

安第斯山脉的雨季一般从12月开始。

《柯林斯英汉双解大词典》

The rainy season has ended.

雨季结束了。

youdao

The rainy season begins.

雨季开始了。

youdao

The rainy season lasts from June to November.

VOA: special.2009.06.30

At the beginning of the rainy season, Baal opens a slit, or makes a slit in the clouds, and thunders and shakes the Earth.

在雨季开始的时候，Baal在云端开一条缝，雷鸣震动大地。

耶鲁公开课 - 旧约导论课程节选

Sometimes we get rain, January through March, usually it's the rainy season,

一月到三月，有时候会下雨，通常那时候是雨季。

深入研究洛杉矶 - SpeakingMax英语口语达人

Many people say they feel nervous living here, especially now in the rainy season.

NPR: One Year Later, Guatemala Still Reeling from Stan

"We'll be cautious in scheduling matches during the rainy season, " said BCCI secretary Niranjan Shah.

BBC: SPORT | Cricket | India rain prompts dates re-think

Flooding is cyclical in the country, but the rainy season this year has been devastating.

CNN: U.N. moves to help thousands displaced by Benin floods