April Showers Bring May Flowers

Picture Books about rain will bring in the Sun:

Bringing the Rain to Kapiti Plan, by Verna Aardema
398 Aardema
Tells of a young African boy who brings rain to his dry and thirsty pastures by piercing a cloud with his arrow.
Thunder Cake, by Patricia Polacco
E Polacco
Grandma finds a way to dispel her grandchild's fear of thunderstorms.

Rain, by Manya Stojic
E Stojic
The animals of the African savanna use their senses to predict and then enjoy the rain.

In the Rain with Baby Duck, by Amy Hest
E Hest
Although her parents love walking in the rain, Baby Duck does not--until Grandpa shares a secret with her.

Where Does all that Rain Come From:

The Snowflake , a water cycle story, by Neil Waldman
J 551.84 Waldman
Follows the journey of a water droplet through the various stages of the water cycle, from precipitation to evaporation and condensation.

The Drop in My Drink, by Meredith Hooper,
J 551.48 Hooper

Down Comes the Rain, by Franklyn M. Branley
J 551.57 Branley
Explains how the water cycle leads to different types of weather patterns.