A drought.
Deserts is the usual term. They are also know as arid areas.
scarcity is the condition of being scarce or less. Usually associated with a certain quantity. Like scarcity of water in a desert. Scarcity of rain in a region
There is no scarcity of water around the globe. It would be flatly impossible. The ocean water keeps on evaporating and falling as rain, just as it has for a billion years.
Cacti, succulents.
The result of little or no rain is called a drought. This can lead to water scarcity, crop failures, and other ecological impacts.
Water cycle produces rain. The rain reaches earth's surface.
There was a scarcity of water in the desert.
Rain.
The countries that aren't experiencing water scarcity is Hawaii :|
"Thirsty Planet: The Urgent Crisis of Water Scarcity"
Water scarcity is a global issue affecting regions such as the Middle East, parts of Africa, and areas of Asia like India and China. Additionally, regions experiencing droughts due to climate change, such as parts of Australia and the western United States, also face water scarcity challenges.
Same reason they call a shower a rain locker