The phrase "less precipitation" means that there is a smaller amount of water falling from the sky, such as rain, snow, or sleet.
Sentences with «less precipitation»
Accordingly, there will be less precipitation in form of snow too, and snow covers will be prone to melting faster. (chimalaya.org)
The resulting dry conditions will increase the pressure on groundwater supplies as more is pumped to meet demand even as less precipitation falls to replenish it. (ucsusa.org)
Without those rare ice - forming triggers, much of the planet would see less precipitation than it does today. (discovermagazine.com)