It never rains but it pours.祸不单行。

Good rain knows season.好雨知时节。

When the stars begin to稀， good weather.星星稀，好天气。

Loach jump, the rain came.泥鳅跳，雨来到。

Loach static, sunny weather.泥鳅静，天气晴。

Clouds绞云，雨淋淋.云绞云，雨淋淋。

After the rain comes a calm.雨后寒，雨绵绵。

After the rain, the dew is clear.雨后露水天转晴。

Rain water clear, summer solstice clear.雨水明，夏至晴。

Chicken in the cage, sign of gloomy and rainy weather.鸡进笼晚兆阴雨。

Ants moving house, there will be heavy rain.蚂蚁搬家有大雨。

After a heavy rain comes a thunderstorm.阴雨猛晴雷雨见。

After the rain, the cold is intense, and the rain continues.雨后寒，雨绵绵。

If the water tank wears a skirt, it will be drenched with heavy rain.水缸穿裙，大雨淋淋。

If you get wet in the first half of the summer, you'll be dry in the second half.淋了伏头，下到伏尾。

When ants move their homes, it's going to rain.蚂蚁搬家早晚要下。

If the dragon tail hits the dam, it will rain or be sunny.乌龙打坝，不阴就雨。

When the rain is coming, the loach jumps.泥鳅跳，雨来到。

When the swallows fly low, it means rain is coming.燕子低飞要落雨。

When the dog eats grass, it means rain is coming.狗吃草，要落雨。

Rain or shine, we must press on.风雨无阻。

Saving up for a rainy day.以备不时之需。

When it rains, it pours.倾盆大雨。

Take a rain check.这个表达通常用于社交活动改期的情况。

这些谚语以不同的方式描述了雨的不同方面和它带来的影响，希望对你有所帮助。