Damage, however, to roads and rainy weather conditions are hampering the rescue efforts.

但是，道路损坏以及多雨的天气条件阻碍了救援的进行。

youdao

Many southerners live in remote areas difficult to access by road, and many roads become impassable during rainy season.

VOA: standard.2010.03.23

But,it was suspended between mid-July and mid-October because of the rainy season, which made roads impassable.

VOA: standard.2009.10.24